./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:18,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:18,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:50:18,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:18,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:18,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:18,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:18,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:18,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:18,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:18,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:18,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:18,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:18,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:18,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:18,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:18,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:18,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:18,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:18,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:18,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:18,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:18,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:18,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:18,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:18,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:18,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:18,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:18,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:18,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:18,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:50:18,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:18,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:18,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:18,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:18,925 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:18,925 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_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 [2023-11-19 07:50:19,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:19,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:19,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:19,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:19,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:19,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-19 07:50:22,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:22,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:22,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-19 07:50:22,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/data/56849d63f/fda4a873fd5f454fbbe0f9716f42af9f/FLAG78710e47b [2023-11-19 07:50:22,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/data/56849d63f/fda4a873fd5f454fbbe0f9716f42af9f [2023-11-19 07:50:22,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:22,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:22,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:22,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:22,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:22,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:22" (1/1) ... [2023-11-19 07:50:22,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2ee141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:22, skipping insertion in model container [2023-11-19 07:50:22,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:22" (1/1) ... [2023-11-19 07:50:22,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:22,912 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_5caf2f2f-48d4-475a-a837-95045cc49023/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-19 07:50:23,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:23,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:23,103 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_5caf2f2f-48d4-475a-a837-95045cc49023/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-19 07:50:23,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:23,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:23,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23 WrapperNode [2023-11-19 07:50:23,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:23,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:23,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:23,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:23,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,347 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 639 [2023-11-19 07:50:23,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:23,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:23,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:23,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:23,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:23,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:23,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:23,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:23,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:23,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:23,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:23,724 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:23,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:24,725 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:24,747 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:24,747 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:24,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:24 BoogieIcfgContainer [2023-11-19 07:50:24,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:24,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:24,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:24,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:24,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:22" (1/3) ... [2023-11-19 07:50:24,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2a36fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:24, skipping insertion in model container [2023-11-19 07:50:24,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (2/3) ... [2023-11-19 07:50:24,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2a36fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:24, skipping insertion in model container [2023-11-19 07:50:24,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:24" (3/3) ... [2023-11-19 07:50:24,765 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2023-11-19 07:50:24,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:24,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:24,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:24,863 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@179333af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:24,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 124 states have internal predecessors, (203), 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) [2023-11-19 07:50:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 07:50:24,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:24,881 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] [2023-11-19 07:50:24,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:24,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash 82632766, now seen corresponding path program 1 times [2023-11-19 07:50:24,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:24,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10397931] [2023-11-19 07:50:24,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:25,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:25,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10397931] [2023-11-19 07:50:25,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10397931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:25,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:25,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:25,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876610457] [2023-11-19 07:50:25,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:25,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:25,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:25,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:25,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:25,905 INFO L87 Difference]: Start difference. First operand has 125 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 124 states have internal predecessors, (203), 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 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-11-19 07:50:25,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:26,001 INFO L93 Difference]: Finished difference Result 237 states and 389 transitions. [2023-11-19 07:50:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:26,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-11-19 07:50:26,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:26,017 INFO L225 Difference]: With dead ends: 237 [2023-11-19 07:50:26,017 INFO L226 Difference]: Without dead ends: 123 [2023-11-19 07:50:26,021 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 [2023-11-19 07:50:26,025 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 579 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 [2023-11-19 07:50:26,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 579 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-19 07:50:26,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-19 07:50:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.6311475409836065) internal successors, (199), 122 states have internal predecessors, (199), 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) [2023-11-19 07:50:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 199 transitions. [2023-11-19 07:50:26,088 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 199 transitions. Word has length 35 [2023-11-19 07:50:26,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:26,090 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 199 transitions. [2023-11-19 07:50:26,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-11-19 07:50:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2023-11-19 07:50:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 07:50:26,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:26,093 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] [2023-11-19 07:50:26,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:50:26,094 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:26,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:26,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1731626422, now seen corresponding path program 1 times [2023-11-19 07:50:26,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:26,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701700461] [2023-11-19 07:50:26,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:26,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:26,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701700461] [2023-11-19 07:50:26,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701700461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:26,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:26,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:26,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93743171] [2023-11-19 07:50:26,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:26,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:26,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:26,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:26,345 INFO L87 Difference]: Start difference. First operand 123 states and 199 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-19 07:50:26,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:26,385 INFO L93 Difference]: Finished difference Result 238 states and 385 transitions. [2023-11-19 07:50:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:26,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2023-11-19 07:50:26,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:26,389 INFO L225 Difference]: With dead ends: 238 [2023-11-19 07:50:26,389 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 07:50:26,390 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 [2023-11-19 07:50:26,392 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 576 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 [2023-11-19 07:50:26,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 576 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:26,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 07:50:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2023-11-19 07:50:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.6209677419354838) internal successors, (201), 124 states have internal predecessors, (201), 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) [2023-11-19 07:50:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 201 transitions. [2023-11-19 07:50:26,404 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 201 transitions. Word has length 36 [2023-11-19 07:50:26,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:26,404 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 201 transitions. [2023-11-19 07:50:26,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-19 07:50:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-19 07:50:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 07:50:26,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:26,407 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] [2023-11-19 07:50:26,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:50:26,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:26,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash -576236454, now seen corresponding path program 1 times [2023-11-19 07:50:26,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:26,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051501207] [2023-11-19 07:50:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:26,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:27,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:27,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051501207] [2023-11-19 07:50:27,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051501207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:27,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:27,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:50:27,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690747866] [2023-11-19 07:50:27,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:27,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:50:27,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:27,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:50:27,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:50:27,396 INFO L87 Difference]: Start difference. First operand 125 states and 201 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2023-11-19 07:50:28,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:28,648 INFO L93 Difference]: Finished difference Result 793 states and 1275 transitions. [2023-11-19 07:50:28,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-19 07:50:28,649 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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 37 [2023-11-19 07:50:28,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:28,654 INFO L225 Difference]: With dead ends: 793 [2023-11-19 07:50:28,654 INFO L226 Difference]: Without dead ends: 679 [2023-11-19 07:50:28,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2023-11-19 07:50:28,657 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 2573 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:28,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 2321 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:50:28,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2023-11-19 07:50:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 147. [2023-11-19 07:50:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.6164383561643836) internal successors, (236), 146 states have internal predecessors, (236), 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) [2023-11-19 07:50:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 236 transitions. [2023-11-19 07:50:28,690 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 236 transitions. Word has length 37 [2023-11-19 07:50:28,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:28,691 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 236 transitions. [2023-11-19 07:50:28,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2023-11-19 07:50:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 236 transitions. [2023-11-19 07:50:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:50:28,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:28,695 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] [2023-11-19 07:50:28,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:50:28,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:28,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:28,696 INFO L85 PathProgramCache]: Analyzing trace with hash -794167246, now seen corresponding path program 1 times [2023-11-19 07:50:28,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:28,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695808399] [2023-11-19 07:50:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:28,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:29,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:29,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695808399] [2023-11-19 07:50:29,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695808399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:29,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:29,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:50:29,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663857249] [2023-11-19 07:50:29,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:29,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:50:29,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:50:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:50:29,160 INFO L87 Difference]: Start difference. First operand 147 states and 236 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2023-11-19 07:50:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:29,398 INFO L93 Difference]: Finished difference Result 564 states and 904 transitions. [2023-11-19 07:50:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:50:29,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 38 [2023-11-19 07:50:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:29,403 INFO L225 Difference]: With dead ends: 564 [2023-11-19 07:50:29,403 INFO L226 Difference]: Without dead ends: 428 [2023-11-19 07:50:29,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:50:29,416 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 542 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:29,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1409 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:50:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-11-19 07:50:29,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 156. [2023-11-19 07:50:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.6) internal successors, (248), 155 states have internal predecessors, (248), 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) [2023-11-19 07:50:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 248 transitions. [2023-11-19 07:50:29,437 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 248 transitions. Word has length 38 [2023-11-19 07:50:29,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:29,439 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 248 transitions. [2023-11-19 07:50:29,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2023-11-19 07:50:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 248 transitions. [2023-11-19 07:50:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:50:29,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:29,447 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] [2023-11-19 07:50:29,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:50:29,447 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:29,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:29,448 INFO L85 PathProgramCache]: Analyzing trace with hash -261748970, now seen corresponding path program 1 times [2023-11-19 07:50:29,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:29,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261277209] [2023-11-19 07:50:29,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:29,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:29,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:29,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261277209] [2023-11-19 07:50:29,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261277209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:29,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:29,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:50:29,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191200329] [2023-11-19 07:50:29,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:29,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:29,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:29,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:29,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:29,946 INFO L87 Difference]: Start difference. First operand 156 states and 248 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-19 07:50:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:29,957 INFO L93 Difference]: Finished difference Result 281 states and 448 transitions. [2023-11-19 07:50:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:29,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2023-11-19 07:50:29,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:29,960 INFO L225 Difference]: With dead ends: 281 [2023-11-19 07:50:29,961 INFO L226 Difference]: Without dead ends: 136 [2023-11-19 07:50:29,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:29,966 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 178 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:29,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-19 07:50:29,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 132. [2023-11-19 07:50:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.6030534351145038) internal successors, (210), 131 states have internal predecessors, (210), 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) [2023-11-19 07:50:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 210 transitions. [2023-11-19 07:50:29,981 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 210 transitions. Word has length 38 [2023-11-19 07:50:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:29,982 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 210 transitions. [2023-11-19 07:50:29,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-19 07:50:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 210 transitions. [2023-11-19 07:50:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 07:50:29,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:29,985 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] [2023-11-19 07:50:29,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:50:29,986 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:29,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:29,986 INFO L85 PathProgramCache]: Analyzing trace with hash 278708816, now seen corresponding path program 1 times [2023-11-19 07:50:29,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:29,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819077921] [2023-11-19 07:50:29,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:29,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:30,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:30,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819077921] [2023-11-19 07:50:30,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819077921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:30,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:30,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 07:50:30,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7836993] [2023-11-19 07:50:30,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:30,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:50:30,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:30,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:50:30,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:50:30,606 INFO L87 Difference]: Start difference. First operand 132 states and 210 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2023-11-19 07:50:31,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:31,507 INFO L93 Difference]: Finished difference Result 803 states and 1272 transitions. [2023-11-19 07:50:31,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 07:50:31,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 39 [2023-11-19 07:50:31,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:31,512 INFO L225 Difference]: With dead ends: 803 [2023-11-19 07:50:31,512 INFO L226 Difference]: Without dead ends: 682 [2023-11-19 07:50:31,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=238, Invalid=692, Unknown=0, NotChecked=0, Total=930 [2023-11-19 07:50:31,514 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1919 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:31,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 2306 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:50:31,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-11-19 07:50:31,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 156. [2023-11-19 07:50:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 155 states have internal predecessors, (245), 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) [2023-11-19 07:50:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 245 transitions. [2023-11-19 07:50:31,526 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 245 transitions. Word has length 39 [2023-11-19 07:50:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:31,526 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 245 transitions. [2023-11-19 07:50:31,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2023-11-19 07:50:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2023-11-19 07:50:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 07:50:31,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:31,528 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] [2023-11-19 07:50:31,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:50:31,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:31,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:31,529 INFO L85 PathProgramCache]: Analyzing trace with hash 536874254, now seen corresponding path program 1 times [2023-11-19 07:50:31,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:31,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554051666] [2023-11-19 07:50:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:31,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:32,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:32,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554051666] [2023-11-19 07:50:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554051666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:32,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 07:50:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090908044] [2023-11-19 07:50:32,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:32,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:50:32,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:32,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:50:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:50:32,668 INFO L87 Difference]: Start difference. First operand 156 states and 245 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2023-11-19 07:50:33,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:33,453 INFO L93 Difference]: Finished difference Result 695 states and 1093 transitions. [2023-11-19 07:50:33,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 07:50:33,454 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 39 [2023-11-19 07:50:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:33,457 INFO L225 Difference]: With dead ends: 695 [2023-11-19 07:50:33,457 INFO L226 Difference]: Without dead ends: 550 [2023-11-19 07:50:33,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2023-11-19 07:50:33,459 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 1616 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:33,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 2177 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:50:33,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-11-19 07:50:33,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 169. [2023-11-19 07:50:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.5714285714285714) internal successors, (264), 168 states have internal predecessors, (264), 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) [2023-11-19 07:50:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 264 transitions. [2023-11-19 07:50:33,470 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 264 transitions. Word has length 39 [2023-11-19 07:50:33,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:33,470 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 264 transitions. [2023-11-19 07:50:33,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2023-11-19 07:50:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 264 transitions. [2023-11-19 07:50:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 07:50:33,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:33,471 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] [2023-11-19 07:50:33,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:50:33,472 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:33,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:33,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1834865008, now seen corresponding path program 1 times [2023-11-19 07:50:33,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595745838] [2023-11-19 07:50:33,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:34,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:34,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595745838] [2023-11-19 07:50:34,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595745838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:34,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:34,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:34,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069479843] [2023-11-19 07:50:34,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:34,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:50:34,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:34,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:50:34,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:34,156 INFO L87 Difference]: Start difference. First operand 169 states and 264 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2023-11-19 07:50:34,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:34,261 INFO L93 Difference]: Finished difference Result 441 states and 691 transitions. [2023-11-19 07:50:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:50:34,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2023-11-19 07:50:34,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:34,264 INFO L225 Difference]: With dead ends: 441 [2023-11-19 07:50:34,264 INFO L226 Difference]: Without dead ends: 294 [2023-11-19 07:50:34,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:50:34,266 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 519 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:34,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 582 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-11-19 07:50:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 171. [2023-11-19 07:50:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.5647058823529412) internal successors, (266), 170 states have internal predecessors, (266), 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) [2023-11-19 07:50:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 266 transitions. [2023-11-19 07:50:34,275 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 266 transitions. Word has length 39 [2023-11-19 07:50:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:34,275 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 266 transitions. [2023-11-19 07:50:34,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2023-11-19 07:50:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 266 transitions. [2023-11-19 07:50:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:50:34,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:34,277 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] [2023-11-19 07:50:34,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:50:34,278 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:34,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:34,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1988581670, now seen corresponding path program 1 times [2023-11-19 07:50:34,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:34,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045620027] [2023-11-19 07:50:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:35,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:35,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045620027] [2023-11-19 07:50:35,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045620027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:35,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:35,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:35,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144346923] [2023-11-19 07:50:35,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:35,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:50:35,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:35,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:50:35,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:35,010 INFO L87 Difference]: Start difference. First operand 171 states and 266 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2023-11-19 07:50:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:35,112 INFO L93 Difference]: Finished difference Result 467 states and 728 transitions. [2023-11-19 07:50:35,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:50:35,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 40 [2023-11-19 07:50:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:35,115 INFO L225 Difference]: With dead ends: 467 [2023-11-19 07:50:35,115 INFO L226 Difference]: Without dead ends: 320 [2023-11-19 07:50:35,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:50:35,117 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 716 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:35,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 575 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:50:35,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-11-19 07:50:35,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 189. [2023-11-19 07:50:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.5425531914893618) internal successors, (290), 188 states have internal predecessors, (290), 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) [2023-11-19 07:50:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 290 transitions. [2023-11-19 07:50:35,128 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 290 transitions. Word has length 40 [2023-11-19 07:50:35,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:35,128 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 290 transitions. [2023-11-19 07:50:35,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2023-11-19 07:50:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 290 transitions. [2023-11-19 07:50:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:50:35,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:35,130 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] [2023-11-19 07:50:35,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:50:35,130 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:35,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:35,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1376812184, now seen corresponding path program 1 times [2023-11-19 07:50:35,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:35,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668601231] [2023-11-19 07:50:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:35,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:35,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668601231] [2023-11-19 07:50:35,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668601231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:35,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:35,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:50:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335777143] [2023-11-19 07:50:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:35,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:50:35,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:35,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:50:35,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:50:35,799 INFO L87 Difference]: Start difference. First operand 189 states and 290 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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) [2023-11-19 07:50:36,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:36,455 INFO L93 Difference]: Finished difference Result 767 states and 1192 transitions. [2023-11-19 07:50:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 07:50:36,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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 40 [2023-11-19 07:50:36,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:36,460 INFO L225 Difference]: With dead ends: 767 [2023-11-19 07:50:36,460 INFO L226 Difference]: Without dead ends: 620 [2023-11-19 07:50:36,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:50:36,462 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 1418 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:36,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 2175 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:50:36,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2023-11-19 07:50:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 189. [2023-11-19 07:50:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.5425531914893618) internal successors, (290), 188 states have internal predecessors, (290), 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) [2023-11-19 07:50:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 290 transitions. [2023-11-19 07:50:36,476 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 290 transitions. Word has length 40 [2023-11-19 07:50:36,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:36,477 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 290 transitions. [2023-11-19 07:50:36,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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) [2023-11-19 07:50:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 290 transitions. [2023-11-19 07:50:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:50:36,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:36,478 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] [2023-11-19 07:50:36,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:50:36,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:36,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:36,479 INFO L85 PathProgramCache]: Analyzing trace with hash -617332522, now seen corresponding path program 1 times [2023-11-19 07:50:36,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:36,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728745521] [2023-11-19 07:50:36,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:36,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728745521] [2023-11-19 07:50:37,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728745521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:37,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:37,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:37,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285768808] [2023-11-19 07:50:37,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:37,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:37,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:37,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:37,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:37,037 INFO L87 Difference]: Start difference. First operand 189 states and 290 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-11-19 07:50:37,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:37,073 INFO L93 Difference]: Finished difference Result 459 states and 710 transitions. [2023-11-19 07:50:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:37,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2023-11-19 07:50:37,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:37,076 INFO L225 Difference]: With dead ends: 459 [2023-11-19 07:50:37,076 INFO L226 Difference]: Without dead ends: 312 [2023-11-19 07:50:37,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:37,078 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 522 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:37,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 427 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-19 07:50:37,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 179. [2023-11-19 07:50:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5280898876404494) internal successors, (272), 178 states have internal predecessors, (272), 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) [2023-11-19 07:50:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 272 transitions. [2023-11-19 07:50:37,090 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 272 transitions. Word has length 40 [2023-11-19 07:50:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:37,091 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 272 transitions. [2023-11-19 07:50:37,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-11-19 07:50:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 272 transitions. [2023-11-19 07:50:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:50:37,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:37,093 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] [2023-11-19 07:50:37,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:50:37,093 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:37,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:37,094 INFO L85 PathProgramCache]: Analyzing trace with hash -104948774, now seen corresponding path program 1 times [2023-11-19 07:50:37,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:37,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965457395] [2023-11-19 07:50:37,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:37,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:37,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965457395] [2023-11-19 07:50:37,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965457395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:37,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:37,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:50:37,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711040243] [2023-11-19 07:50:37,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:37,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:50:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:37,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:50:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:50:37,655 INFO L87 Difference]: Start difference. First operand 179 states and 272 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2023-11-19 07:50:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:37,872 INFO L93 Difference]: Finished difference Result 715 states and 1102 transitions. [2023-11-19 07:50:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:50:37,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 41 [2023-11-19 07:50:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:37,877 INFO L225 Difference]: With dead ends: 715 [2023-11-19 07:50:37,877 INFO L226 Difference]: Without dead ends: 578 [2023-11-19 07:50:37,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:50:37,878 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1533 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:37,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 1296 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:50:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-11-19 07:50:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 196. [2023-11-19 07:50:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.5128205128205128) internal successors, (295), 195 states have internal predecessors, (295), 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) [2023-11-19 07:50:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 295 transitions. [2023-11-19 07:50:37,894 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 295 transitions. Word has length 41 [2023-11-19 07:50:37,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:37,896 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 295 transitions. [2023-11-19 07:50:37,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2023-11-19 07:50:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 295 transitions. [2023-11-19 07:50:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:50:37,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:37,897 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] [2023-11-19 07:50:37,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:50:37,898 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:37,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:37,898 INFO L85 PathProgramCache]: Analyzing trace with hash 153216664, now seen corresponding path program 1 times [2023-11-19 07:50:37,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:37,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884496274] [2023-11-19 07:50:37,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:40,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:40,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884496274] [2023-11-19 07:50:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884496274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:40,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:40,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-19 07:50:40,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151998727] [2023-11-19 07:50:40,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:40,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-19 07:50:40,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:40,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 07:50:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2023-11-19 07:50:40,102 INFO L87 Difference]: Start difference. First operand 196 states and 295 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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) [2023-11-19 07:50:43,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:43,076 INFO L93 Difference]: Finished difference Result 939 states and 1442 transitions. [2023-11-19 07:50:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-19 07:50:43,076 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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 41 [2023-11-19 07:50:43,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:43,081 INFO L225 Difference]: With dead ends: 939 [2023-11-19 07:50:43,081 INFO L226 Difference]: Without dead ends: 790 [2023-11-19 07:50:43,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=395, Invalid=1411, Unknown=0, NotChecked=0, Total=1806 [2023-11-19 07:50:43,084 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 2768 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:43,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 4367 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 07:50:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-11-19 07:50:43,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 206. [2023-11-19 07:50:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.497560975609756) internal successors, (307), 205 states have internal predecessors, (307), 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) [2023-11-19 07:50:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 307 transitions. [2023-11-19 07:50:43,102 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 307 transitions. Word has length 41 [2023-11-19 07:50:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:43,102 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 307 transitions. [2023-11-19 07:50:43,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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) [2023-11-19 07:50:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 307 transitions. [2023-11-19 07:50:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:50:43,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:43,104 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] [2023-11-19 07:50:43,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:50:43,104 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:43,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash 447906238, now seen corresponding path program 1 times [2023-11-19 07:50:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:43,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556843890] [2023-11-19 07:50:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:43,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:43,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556843890] [2023-11-19 07:50:43,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556843890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:43,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:43,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:50:43,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876639796] [2023-11-19 07:50:43,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:43,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:50:43,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:43,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:50:43,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:50:43,721 INFO L87 Difference]: Start difference. First operand 206 states and 307 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2023-11-19 07:50:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:44,074 INFO L93 Difference]: Finished difference Result 345 states and 521 transitions. [2023-11-19 07:50:44,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:50:44,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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 41 [2023-11-19 07:50:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:44,076 INFO L225 Difference]: With dead ends: 345 [2023-11-19 07:50:44,077 INFO L226 Difference]: Without dead ends: 208 [2023-11-19 07:50:44,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:50:44,078 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 687 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:44,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 754 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:50:44,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-19 07:50:44,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 202. [2023-11-19 07:50:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.4975124378109452) internal successors, (301), 201 states have internal predecessors, (301), 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) [2023-11-19 07:50:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 301 transitions. [2023-11-19 07:50:44,097 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 301 transitions. Word has length 41 [2023-11-19 07:50:44,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:44,098 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 301 transitions. [2023-11-19 07:50:44,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2023-11-19 07:50:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 301 transitions. [2023-11-19 07:50:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:50:44,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:44,099 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] [2023-11-19 07:50:44,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 07:50:44,100 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:44,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:44,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1370800576, now seen corresponding path program 1 times [2023-11-19 07:50:44,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:44,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045055497] [2023-11-19 07:50:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:44,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:44,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045055497] [2023-11-19 07:50:44,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045055497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:44,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:44,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:44,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39374916] [2023-11-19 07:50:44,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:44,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:50:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:44,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:50:44,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:44,301 INFO L87 Difference]: Start difference. First operand 202 states and 301 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2023-11-19 07:50:44,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:44,361 INFO L93 Difference]: Finished difference Result 454 states and 686 transitions. [2023-11-19 07:50:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:50:44,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2023-11-19 07:50:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:44,364 INFO L225 Difference]: With dead ends: 454 [2023-11-19 07:50:44,364 INFO L226 Difference]: Without dead ends: 275 [2023-11-19 07:50:44,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:50:44,368 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 519 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:44,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 559 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:44,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-19 07:50:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 181. [2023-11-19 07:50:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.5) internal successors, (270), 180 states have internal predecessors, (270), 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) [2023-11-19 07:50:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 270 transitions. [2023-11-19 07:50:44,387 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 270 transitions. Word has length 41 [2023-11-19 07:50:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:44,387 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 270 transitions. [2023-11-19 07:50:44,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2023-11-19 07:50:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2023-11-19 07:50:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:50:44,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:44,389 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] [2023-11-19 07:50:44,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 07:50:44,390 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:44,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:44,390 INFO L85 PathProgramCache]: Analyzing trace with hash 344042932, now seen corresponding path program 1 times [2023-11-19 07:50:44,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:44,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148623164] [2023-11-19 07:50:44,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:44,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:46,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:46,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148623164] [2023-11-19 07:50:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148623164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:46,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:46,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-19 07:50:46,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693366] [2023-11-19 07:50:46,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:46,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 07:50:46,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:46,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 07:50:46,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:50:46,415 INFO L87 Difference]: Start difference. First operand 181 states and 270 transitions. Second operand has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 states have internal predecessors, (42), 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) [2023-11-19 07:50:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:56,983 INFO L93 Difference]: Finished difference Result 1425 states and 2158 transitions. [2023-11-19 07:50:56,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-19 07:50:56,984 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 states have internal predecessors, (42), 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 42 [2023-11-19 07:50:56,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:56,991 INFO L225 Difference]: With dead ends: 1425 [2023-11-19 07:50:56,992 INFO L226 Difference]: Without dead ends: 1292 [2023-11-19 07:50:56,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=1502, Invalid=4818, Unknown=0, NotChecked=0, Total=6320 [2023-11-19 07:50:56,999 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 5758 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5758 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:57,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5758 Valid, 3822 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 07:50:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2023-11-19 07:50:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 244. [2023-11-19 07:50:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.4691358024691359) internal successors, (357), 243 states have internal predecessors, (357), 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) [2023-11-19 07:50:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 357 transitions. [2023-11-19 07:50:57,023 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 357 transitions. Word has length 42 [2023-11-19 07:50:57,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:57,023 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 357 transitions. [2023-11-19 07:50:57,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 states have internal predecessors, (42), 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) [2023-11-19 07:50:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 357 transitions. [2023-11-19 07:50:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:50:57,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:57,025 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] [2023-11-19 07:50:57,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 07:50:57,025 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:57,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:57,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1430964430, now seen corresponding path program 1 times [2023-11-19 07:50:57,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:57,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195605011] [2023-11-19 07:50:57,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:57,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:58,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:58,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195605011] [2023-11-19 07:50:58,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195605011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:58,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:58,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-19 07:50:58,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609026348] [2023-11-19 07:50:58,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:58,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:50:58,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:58,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:50:58,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:50:58,501 INFO L87 Difference]: Start difference. First operand 244 states and 357 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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) [2023-11-19 07:50:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:59,261 INFO L93 Difference]: Finished difference Result 646 states and 972 transitions. [2023-11-19 07:50:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 07:50:59,262 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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 42 [2023-11-19 07:50:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:59,265 INFO L225 Difference]: With dead ends: 646 [2023-11-19 07:50:59,265 INFO L226 Difference]: Without dead ends: 457 [2023-11-19 07:50:59,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2023-11-19 07:50:59,266 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1327 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:59,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 2104 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:50:59,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-11-19 07:50:59,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 232. [2023-11-19 07:50:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 231 states have internal predecessors, (341), 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) [2023-11-19 07:50:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 341 transitions. [2023-11-19 07:50:59,282 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 341 transitions. Word has length 42 [2023-11-19 07:50:59,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:59,283 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 341 transitions. [2023-11-19 07:50:59,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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) [2023-11-19 07:50:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 341 transitions. [2023-11-19 07:50:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:50:59,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:59,284 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] [2023-11-19 07:50:59,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 07:50:59,285 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:59,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:59,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1358644152, now seen corresponding path program 1 times [2023-11-19 07:50:59,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:59,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340473390] [2023-11-19 07:50:59,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:59,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:59,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:59,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:59,522 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:50:59,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:50:59,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-19 07:50:59,531 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:59,534 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:50:59,588 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:50:59,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:50:59,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 07:50:59,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 07:50:59,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 07:50:59,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:50:59,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 07:50:59,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 07:50:59,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 07:50:59,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 07:50:59,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:50:59,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 07:50:59,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 07:50:59,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:50:59,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 07:50:59,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 07:50:59,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 07:50:59,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 07:50:59,630 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 07:50:59,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:59 BoogieIcfgContainer [2023-11-19 07:50:59,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:50:59,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:59,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:59,664 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:59,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:24" (3/4) ... [2023-11-19 07:50:59,667 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:50:59,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:59,669 INFO L158 Benchmark]: Toolchain (without parser) took 37016.08ms. Allocated memory was 153.1MB in the beginning and 488.6MB in the end (delta: 335.5MB). Free memory was 119.7MB in the beginning and 257.1MB in the end (delta: -137.4MB). Peak memory consumption was 200.0MB. Max. memory is 16.1GB. [2023-11-19 07:50:59,669 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:59,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.15ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 100.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:50:59,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.90ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 89.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:50:59,671 INFO L158 Benchmark]: Boogie Preprocessor took 95.49ms. Allocated memory is still 153.1MB. Free memory was 89.3MB in the beginning and 84.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:50:59,671 INFO L158 Benchmark]: RCFGBuilder took 1307.62ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 126.7MB in the end (delta: -42.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-19 07:50:59,672 INFO L158 Benchmark]: TraceAbstraction took 34908.89ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 126.7MB in the beginning and 258.1MB in the end (delta: -131.4MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. [2023-11-19 07:50:59,672 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 488.6MB. Free memory was 258.1MB in the beginning and 257.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:59,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.15ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 100.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.90ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 89.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.49ms. Allocated memory is still 153.1MB. Free memory was 89.3MB in the beginning and 84.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1307.62ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 126.7MB in the end (delta: -42.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * TraceAbstraction took 34908.89ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 126.7MB in the beginning and 258.1MB in the end (delta: -131.4MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 488.6MB. Free memory was 258.1MB in the beginning and 257.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 153, overapproximation of bitwiseAnd at line 161. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 31); [L36] const SORT_47 msb_SORT_47 = (SORT_47)1 << (31 - 1); [L38] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 30); [L39] const SORT_57 msb_SORT_57 = (SORT_57)1 << (30 - 1); [L41] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 29); [L42] const SORT_59 msb_SORT_59 = (SORT_59)1 << (29 - 1); [L44] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 2); [L45] const SORT_65 msb_SORT_65 = (SORT_65)1 << (2 - 1); [L47] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 28); [L48] const SORT_71 msb_SORT_71 = (SORT_71)1 << (28 - 1); [L50] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 26); [L51] const SORT_73 msb_SORT_73 = (SORT_73)1 << (26 - 1); [L53] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 4); [L54] const SORT_79 msb_SORT_79 = (SORT_79)1 << (4 - 1); [L56] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 24); [L57] const SORT_85 msb_SORT_85 = (SORT_85)1 << (24 - 1); [L59] const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 20); [L60] const SORT_87 msb_SORT_87 = (SORT_87)1 << (20 - 1); [L62] const SORT_93 mask_SORT_93 = (SORT_93)-1 >> (sizeof(SORT_93) * 8 - 8); [L63] const SORT_93 msb_SORT_93 = (SORT_93)1 << (8 - 1); [L65] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 16); [L66] const SORT_99 msb_SORT_99 = (SORT_99)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_3 var_19 = 0; [L70] const SORT_3 var_40 = 1; [L72] SORT_1 input_2; [L73] SORT_3 input_4; [L74] SORT_5 input_6; [L75] SORT_3 input_7; [L77] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, var_19=0, var_40=1, var_8=0] [L77] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L78] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_9=0, var_19=0, var_40=1, var_8=0] [L78] SORT_5 state_13 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_9=0, var_19=0, var_40=1, var_8=0] [L79] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_5 init_10_arg_1 = var_8; [L82] state_9 = init_10_arg_1 [L83] SORT_5 init_14_arg_1 = var_8; [L84] state_13 = init_14_arg_1 [L85] SORT_3 init_21_arg_1 = var_19; [L86] state_20 = init_21_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L89] input_2 = __VERIFIER_nondet_uchar() [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uint() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L93] input_7 = input_7 & mask_SORT_3 [L96] SORT_5 var_11_arg_0 = state_9; [L97] SORT_5 var_11_arg_1 = var_8; [L98] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L99] SORT_3 var_12_arg_0 = var_11; [L100] SORT_3 var_12 = ~var_12_arg_0; [L101] SORT_5 var_15_arg_0 = state_13; [L102] SORT_5 var_15_arg_1 = var_8; [L103] SORT_3 var_15 = var_15_arg_0 == var_15_arg_1; [L104] SORT_3 var_16_arg_0 = var_15; [L105] SORT_3 var_16 = ~var_16_arg_0; [L106] SORT_3 var_17_arg_0 = var_12; [L107] SORT_3 var_17_arg_1 = var_16; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L109] SORT_3 var_18_arg_0 = var_17; [L110] SORT_3 var_18 = ~var_18_arg_0; [L111] SORT_3 var_22_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] EXPR var_22_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L113] SORT_5 var_22 = var_22_arg_0; [L114] SORT_5 var_23_arg_0 = var_22; [L115] SORT_5 var_23_arg_1 = var_8; [L116] SORT_3 var_23 = var_23_arg_0 == var_23_arg_1; [L117] SORT_5 var_24_arg_0 = state_9; [L118] SORT_5 var_24_arg_1 = var_8; [L119] SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; [L120] SORT_3 var_25_arg_0 = var_24; [L121] SORT_3 var_25 = ~var_25_arg_0; [L122] SORT_3 var_26_arg_0 = var_23; [L123] SORT_3 var_26_arg_1 = var_25; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L125] SORT_3 var_27_arg_0 = var_18; [L126] SORT_3 var_27_arg_1 = var_26; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] EXPR var_27_arg_0 | var_27_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L128] SORT_5 var_28_arg_0 = state_9; [L129] SORT_5 var_28_arg_1 = var_8; [L130] SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; [L131] SORT_5 var_29_arg_0 = state_13; [L132] SORT_5 var_29_arg_1 = var_8; [L133] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L134] SORT_3 var_30_arg_0 = var_28; [L135] SORT_3 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L137] SORT_3 var_31_arg_0 = var_30; [L138] SORT_3 var_31 = ~var_31_arg_0; [L139] SORT_3 var_32_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] EXPR var_32_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] var_32_arg_0 = var_32_arg_0 & mask_SORT_3 [L141] SORT_5 var_32 = var_32_arg_0; [L142] SORT_5 var_33_arg_0 = var_32; [L143] SORT_5 var_33_arg_1 = var_8; [L144] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L145] SORT_5 var_34_arg_0 = state_9; [L146] SORT_5 var_34_arg_1 = var_8; [L147] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L148] SORT_3 var_35_arg_0 = var_33; [L149] SORT_3 var_35_arg_1 = var_34; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] EXPR var_35_arg_0 | var_35_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L151] SORT_3 var_36_arg_0 = var_31; [L152] SORT_3 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L154] SORT_3 var_37_arg_0 = var_27; [L155] SORT_3 var_37_arg_1 = var_36; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] EXPR var_37_arg_0 & var_37_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] SORT_3 var_37 = var_37_arg_0 & var_37_arg_1; [L157] SORT_3 var_41_arg_0 = var_37; [L158] SORT_3 var_41 = ~var_41_arg_0; [L159] SORT_3 var_42_arg_0 = var_40; [L160] SORT_3 var_42_arg_1 = var_41; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] EXPR var_42_arg_0 & var_42_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L162] EXPR var_42 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42=1, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L162] var_42 = var_42 & mask_SORT_3 [L163] SORT_3 bad_43_arg_0 = var_42; [L164] CALL __VERIFIER_assert(!(bad_43_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, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.7s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22597 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22597 mSDsluCounter, 26249 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21973 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2408 IncrementalHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 4276 mSDtfsCounter, 2408 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 303 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3295 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=16, InterpolantAutomatonStates: 265, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 4873 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 3966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 [2023-11-19 07:50:59,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:51:02,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:51:02,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 07:51:02,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:51:02,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:51:02,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:51:02,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:51:02,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:51:02,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:51:02,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:51:02,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:51:02,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:51:02,474 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:51:02,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:51:02,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:51:02,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:51:02,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:51:02,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:51:02,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:51:02,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:51:02,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:51:02,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:51:02,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:51:02,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:51:02,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:51:02,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:51:02,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:51:02,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:02,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:51:02,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:51:02,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:51:02,483 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:51:02,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:51:02,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:51:02,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:51:02,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:51:02,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:51:02,485 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:51:02,485 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:51:02,486 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_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 [2023-11-19 07:51:02,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:51:02,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:51:02,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:51:02,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:51:02,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:51:02,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caf2f2f-48d4-475a-a837-95045cc49023/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c