./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:48,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:48,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:11:48,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:48,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:49,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:49,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:49,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:49,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:49,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:49,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:49,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:49,038 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:49,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:49,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:49,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:49,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:49,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:49,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:49,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:49,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:49,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:49,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:49,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:49,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:49,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:49,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:49,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:49,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:49,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:49,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:49,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:49,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:49,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:49,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:49,049 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:49,049 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 [2023-11-06 23:11:49,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:49,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:49,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:49,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:49,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:49,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2023-11-06 23:11:52,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:53,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:53,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2023-11-06 23:11:53,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data/e05bcd9ad/82789809bf0e4edfbf5929cbd09d10cb/FLAG8be2b08e1 [2023-11-06 23:11:53,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data/e05bcd9ad/82789809bf0e4edfbf5929cbd09d10cb [2023-11-06 23:11:53,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:53,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:53,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:53,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:53,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:53,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:53" (1/1) ... [2023-11-06 23:11:53,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4049d4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:53, skipping insertion in model container [2023-11-06 23:11:53,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:53" (1/1) ... [2023-11-06 23:11:53,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:53,336 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2023-11-06 23:11:53,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:53,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:53,937 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2023-11-06 23:11:54,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:54,193 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:54,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54 WrapperNode [2023-11-06 23:11:54,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:54,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:54,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:54,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:54,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:54,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,113 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5535 [2023-11-06 23:11:55,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:55,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:55,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:55,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:55,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:55,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:55,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:55,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:55,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (1/1) ... [2023-11-06 23:11:55,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:55,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:55,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:55,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:56,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:56,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:12:00,675 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:12:00,698 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:12:00,698 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:12:00,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:00 BoogieIcfgContainer [2023-11-06 23:12:00,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:12:00,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:12:00,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:12:00,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:12:00,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:53" (1/3) ... [2023-11-06 23:12:00,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3c7f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:00, skipping insertion in model container [2023-11-06 23:12:00,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:54" (2/3) ... [2023-11-06 23:12:00,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3c7f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:00, skipping insertion in model container [2023-11-06 23:12:00,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:00" (3/3) ... [2023-11-06 23:12:00,715 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p1.c [2023-11-06 23:12:00,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:12:00,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:12:00,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:00,846 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27d636c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:00,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:12:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 1136 states, 1134 states have (on average 1.6649029982363315) internal successors, (1888), 1135 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:00,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 23:12:00,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:00,868 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] [2023-11-06 23:12:00,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:00,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1715231555, now seen corresponding path program 1 times [2023-11-06 23:12:00,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:00,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889378109] [2023-11-06 23:12:00,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:00,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:01,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:01,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889378109] [2023-11-06 23:12:01,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889378109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:01,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:01,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:01,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020658087] [2023-11-06 23:12:01,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:01,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:12:01,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:01,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:01,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:01,744 INFO L87 Difference]: Start difference. First operand has 1136 states, 1134 states have (on average 1.6649029982363315) internal successors, (1888), 1135 states have internal predecessors, (1888), 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 9.25) internal successors, (37), 4 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) [2023-11-06 23:12:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:01,985 INFO L93 Difference]: Finished difference Result 2241 states and 3729 transitions. [2023-11-06 23:12:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:01,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 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 [2023-11-06 23:12:01,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:02,016 INFO L225 Difference]: With dead ends: 2241 [2023-11-06 23:12:02,017 INFO L226 Difference]: Without dead ends: 1134 [2023-11-06 23:12:02,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:02,032 INFO L413 NwaCegarLoop]: 1880 mSDtfsCounter, 1 mSDsluCounter, 3754 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5634 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:02,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5634 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:02,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-11-06 23:12:02,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1134. [2023-11-06 23:12:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.6628420123565755) internal successors, (1884), 1133 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1884 transitions. [2023-11-06 23:12:02,140 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1884 transitions. Word has length 37 [2023-11-06 23:12:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:02,141 INFO L495 AbstractCegarLoop]: Abstraction has 1134 states and 1884 transitions. [2023-11-06 23:12:02,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 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) [2023-11-06 23:12:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1884 transitions. [2023-11-06 23:12:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 23:12:02,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:02,143 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] [2023-11-06 23:12:02,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:12:02,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:02,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:02,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1634295793, now seen corresponding path program 1 times [2023-11-06 23:12:02,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:02,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396793246] [2023-11-06 23:12:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:02,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:02,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:02,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396793246] [2023-11-06 23:12:02,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396793246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:02,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:02,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:02,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494390889] [2023-11-06 23:12:02,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:02,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:12:02,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:02,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:02,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:02,400 INFO L87 Difference]: Start difference. First operand 1134 states and 1884 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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) [2023-11-06 23:12:02,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:02,490 INFO L93 Difference]: Finished difference Result 2242 states and 3725 transitions. [2023-11-06 23:12:02,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:02,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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 [2023-11-06 23:12:02,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:02,500 INFO L225 Difference]: With dead ends: 2242 [2023-11-06 23:12:02,500 INFO L226 Difference]: Without dead ends: 1137 [2023-11-06 23:12:02,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:02,509 INFO L413 NwaCegarLoop]: 1880 mSDtfsCounter, 1 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5631 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:02,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5631 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2023-11-06 23:12:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1136. [2023-11-06 23:12:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1135 states have (on average 1.6616740088105726) internal successors, (1886), 1135 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1886 transitions. [2023-11-06 23:12:02,552 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1886 transitions. Word has length 38 [2023-11-06 23:12:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:02,553 INFO L495 AbstractCegarLoop]: Abstraction has 1136 states and 1886 transitions. [2023-11-06 23:12:02,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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) [2023-11-06 23:12:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1886 transitions. [2023-11-06 23:12:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 23:12:02,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:02,558 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] [2023-11-06 23:12:02,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:12:02,558 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:02,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:02,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1086870243, now seen corresponding path program 1 times [2023-11-06 23:12:02,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:02,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489897093] [2023-11-06 23:12:02,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:02,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:03,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:03,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489897093] [2023-11-06 23:12:03,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489897093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:03,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:03,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:12:03,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280556473] [2023-11-06 23:12:03,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:03,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:12:03,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:03,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:12:03,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:03,101 INFO L87 Difference]: Start difference. First operand 1136 states and 1886 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) [2023-11-06 23:12:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:03,309 INFO L93 Difference]: Finished difference Result 3350 states and 5564 transitions. [2023-11-06 23:12:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:03,310 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 [2023-11-06 23:12:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:03,324 INFO L225 Difference]: With dead ends: 3350 [2023-11-06 23:12:03,324 INFO L226 Difference]: Without dead ends: 2243 [2023-11-06 23:12:03,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:03,336 INFO L413 NwaCegarLoop]: 1901 mSDtfsCounter, 5491 mSDsluCounter, 3767 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5491 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:03,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5491 Valid, 5668 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2023-11-06 23:12:03,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 1139. [2023-11-06 23:12:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1138 states have (on average 1.6599297012302285) internal successors, (1889), 1138 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1889 transitions. [2023-11-06 23:12:03,382 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1889 transitions. Word has length 39 [2023-11-06 23:12:03,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:03,383 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1889 transitions. [2023-11-06 23:12:03,384 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) [2023-11-06 23:12:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1889 transitions. [2023-11-06 23:12:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 23:12:03,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:03,389 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] [2023-11-06 23:12:03,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:12:03,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:03,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash 688137119, now seen corresponding path program 1 times [2023-11-06 23:12:03,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:03,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432150512] [2023-11-06 23:12:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:04,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:04,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432150512] [2023-11-06 23:12:04,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432150512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:04,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:04,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:12:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410318518] [2023-11-06 23:12:04,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:04,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:04,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:04,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:04,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:04,517 INFO L87 Difference]: Start difference. First operand 1139 states and 1889 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 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) [2023-11-06 23:12:05,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:05,189 INFO L93 Difference]: Finished difference Result 5578 states and 9256 transitions. [2023-11-06 23:12:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:12:05,190 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 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 [2023-11-06 23:12:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:05,213 INFO L225 Difference]: With dead ends: 5578 [2023-11-06 23:12:05,214 INFO L226 Difference]: Without dead ends: 4468 [2023-11-06 23:12:05,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:12:05,218 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 18325 mSDsluCounter, 9372 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18325 SdHoareTripleChecker+Valid, 11257 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:05,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18325 Valid, 11257 Invalid, 121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:12:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2023-11-06 23:12:05,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 1152. [2023-11-06 23:12:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.6585577758470895) internal successors, (1909), 1151 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1909 transitions. [2023-11-06 23:12:05,364 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1909 transitions. Word has length 39 [2023-11-06 23:12:05,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:05,367 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1909 transitions. [2023-11-06 23:12:05,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 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) [2023-11-06 23:12:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1909 transitions. [2023-11-06 23:12:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 23:12:05,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:05,373 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] [2023-11-06 23:12:05,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:12:05,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:05,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:05,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1873640789, now seen corresponding path program 1 times [2023-11-06 23:12:05,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:05,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338505214] [2023-11-06 23:12:05,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:05,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338505214] [2023-11-06 23:12:05,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338505214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:05,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:05,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:12:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149495225] [2023-11-06 23:12:05,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:05,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:12:05,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:05,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:12:05,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:05,965 INFO L87 Difference]: Start difference. First operand 1152 states and 1909 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 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) [2023-11-06 23:12:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:06,197 INFO L93 Difference]: Finished difference Result 2269 states and 3763 transitions. [2023-11-06 23:12:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:12:06,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 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 [2023-11-06 23:12:06,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:06,208 INFO L225 Difference]: With dead ends: 2269 [2023-11-06 23:12:06,208 INFO L226 Difference]: Without dead ends: 1159 [2023-11-06 23:12:06,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:12:06,212 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 5529 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 3971 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:06,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 3971 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:06,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2023-11-06 23:12:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1147. [2023-11-06 23:12:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1146 states have (on average 1.6596858638743455) internal successors, (1902), 1146 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1902 transitions. [2023-11-06 23:12:06,253 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1902 transitions. Word has length 40 [2023-11-06 23:12:06,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:06,254 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1902 transitions. [2023-11-06 23:12:06,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 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) [2023-11-06 23:12:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1902 transitions. [2023-11-06 23:12:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 23:12:06,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:06,257 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] [2023-11-06 23:12:06,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:12:06,258 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:06,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash -646319145, now seen corresponding path program 1 times [2023-11-06 23:12:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694891768] [2023-11-06 23:12:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:07,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:07,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694891768] [2023-11-06 23:12:07,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694891768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:07,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:07,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:12:07,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219850428] [2023-11-06 23:12:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:07,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:07,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:07,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:07,298 INFO L87 Difference]: Start difference. First operand 1147 states and 1902 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 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) [2023-11-06 23:12:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:08,051 INFO L93 Difference]: Finished difference Result 5568 states and 9242 transitions. [2023-11-06 23:12:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:12:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 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 [2023-11-06 23:12:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:08,080 INFO L225 Difference]: With dead ends: 5568 [2023-11-06 23:12:08,081 INFO L226 Difference]: Without dead ends: 4463 [2023-11-06 23:12:08,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:12:08,085 INFO L413 NwaCegarLoop]: 1884 mSDtfsCounter, 16494 mSDsluCounter, 11190 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16494 SdHoareTripleChecker+Valid, 13074 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:08,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16494 Valid, 13074 Invalid, 112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:12:08,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4463 states. [2023-11-06 23:12:08,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4463 to 1154. [2023-11-06 23:12:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.6591500433651345) internal successors, (1913), 1153 states have internal predecessors, (1913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1913 transitions. [2023-11-06 23:12:08,147 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1913 transitions. Word has length 40 [2023-11-06 23:12:08,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:08,148 INFO L495 AbstractCegarLoop]: Abstraction has 1154 states and 1913 transitions. [2023-11-06 23:12:08,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 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) [2023-11-06 23:12:08,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1913 transitions. [2023-11-06 23:12:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 23:12:08,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:08,149 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] [2023-11-06 23:12:08,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:12:08,149 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:08,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:08,150 INFO L85 PathProgramCache]: Analyzing trace with hash -253292135, now seen corresponding path program 1 times [2023-11-06 23:12:08,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:08,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469493420] [2023-11-06 23:12:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:08,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:08,353 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:12:08,354 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:12:08,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:12:08,359 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:08,363 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:12:08,426 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:12:08,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:12:08 BoogieIcfgContainer [2023-11-06 23:12:08,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:12:08,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:12:08,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:12:08,449 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:12:08,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:00" (3/4) ... [2023-11-06 23:12:08,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:12:08,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:12:08,454 INFO L158 Benchmark]: Toolchain (without parser) took 15407.92ms. Allocated memory was 148.9MB in the beginning and 815.8MB in the end (delta: 666.9MB). Free memory was 99.7MB in the beginning and 437.1MB in the end (delta: -337.4MB). Peak memory consumption was 332.0MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,455 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 148.9MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:12:08,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1146.27ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 99.2MB in the beginning and 116.2MB in the end (delta: -17.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 919.37ms. Allocated memory was 197.1MB in the beginning and 352.3MB in the end (delta: 155.2MB). Free memory was 116.2MB in the beginning and 236.2MB in the end (delta: -120.1MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,456 INFO L158 Benchmark]: Boogie Preprocessor took 653.83ms. Allocated memory is still 352.3MB. Free memory was 236.2MB in the beginning and 193.2MB in the end (delta: 43.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,456 INFO L158 Benchmark]: RCFGBuilder took 4933.25ms. Allocated memory was 352.3MB in the beginning and 541.1MB in the end (delta: 188.7MB). Free memory was 192.2MB in the beginning and 281.7MB in the end (delta: -89.5MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,457 INFO L158 Benchmark]: TraceAbstraction took 7742.94ms. Allocated memory was 541.1MB in the beginning and 815.8MB in the end (delta: 274.7MB). Free memory was 280.6MB in the beginning and 438.2MB in the end (delta: -157.5MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,457 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 815.8MB. Free memory was 438.2MB in the beginning and 437.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 148.9MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1146.27ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 99.2MB in the beginning and 116.2MB in the end (delta: -17.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 919.37ms. Allocated memory was 197.1MB in the beginning and 352.3MB in the end (delta: 155.2MB). Free memory was 116.2MB in the beginning and 236.2MB in the end (delta: -120.1MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 653.83ms. Allocated memory is still 352.3MB. Free memory was 236.2MB in the beginning and 193.2MB in the end (delta: 43.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4933.25ms. Allocated memory was 352.3MB in the beginning and 541.1MB in the end (delta: 188.7MB). Free memory was 192.2MB in the beginning and 281.7MB in the end (delta: -89.5MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7742.94ms. Allocated memory was 541.1MB in the beginning and 815.8MB in the end (delta: 274.7MB). Free memory was 280.6MB in the beginning and 438.2MB in the end (delta: -157.5MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 815.8MB. Free memory was 438.2MB in the beginning and 437.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 207. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 1); [L30] const SORT_6 msb_SORT_6 = (SORT_6)1 << (1 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 4); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (4 - 1); [L35] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 32); [L36] const SORT_37 msb_SORT_37 = (SORT_37)1 << (32 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 3); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (3 - 1); [L41] const SORT_289 mask_SORT_289 = (SORT_289)-1 >> (sizeof(SORT_289) * 8 - 2); [L42] const SORT_289 msb_SORT_289 = (SORT_289)1 << (2 - 1); [L44] const SORT_293 mask_SORT_293 = (SORT_293)-1 >> (sizeof(SORT_293) * 8 - 5); [L45] const SORT_293 msb_SORT_293 = (SORT_293)1 << (5 - 1); [L47] const SORT_295 mask_SORT_295 = (SORT_295)-1 >> (sizeof(SORT_295) * 8 - 6); [L48] const SORT_295 msb_SORT_295 = (SORT_295)1 << (6 - 1); [L50] const SORT_297 mask_SORT_297 = (SORT_297)-1 >> (sizeof(SORT_297) * 8 - 7); [L51] const SORT_297 msb_SORT_297 = (SORT_297)1 << (7 - 1); [L53] const SORT_299 mask_SORT_299 = (SORT_299)-1 >> (sizeof(SORT_299) * 8 - 8); [L54] const SORT_299 msb_SORT_299 = (SORT_299)1 << (8 - 1); [L56] const SORT_301 mask_SORT_301 = (SORT_301)-1 >> (sizeof(SORT_301) * 8 - 9); [L57] const SORT_301 msb_SORT_301 = (SORT_301)1 << (9 - 1); [L59] const SORT_303 mask_SORT_303 = (SORT_303)-1 >> (sizeof(SORT_303) * 8 - 10); [L60] const SORT_303 msb_SORT_303 = (SORT_303)1 << (10 - 1); [L62] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 11); [L63] const SORT_305 msb_SORT_305 = (SORT_305)1 << (11 - 1); [L65] const SORT_1 var_16 = 0; [L66] const SORT_6 var_21 = 0; [L67] const SORT_37 var_39 = 0; [L68] const SORT_41 var_42 = 0; [L69] const SORT_41 var_45 = 6; [L70] const SORT_41 var_47 = 7; [L71] const SORT_6 var_53 = 1; [L72] const SORT_11 var_57 = 2; [L73] const SORT_11 var_62 = 9; [L74] const SORT_11 var_70 = 15; [L75] const SORT_11 var_75 = 1; [L76] const SORT_11 var_77 = 3; [L77] const SORT_11 var_80 = 5; [L78] const SORT_11 var_83 = 7; [L79] const SORT_11 var_86 = 11; [L80] const SORT_11 var_108 = 8; [L81] const SORT_11 var_112 = 10; [L82] const SORT_11 var_116 = 13; [L83] const SORT_11 var_127 = 4; [L84] const SORT_11 var_129 = 12; [L85] const SORT_11 var_132 = 14; [L86] const SORT_11 var_138 = 6; [L87] const SORT_11 var_165 = 0; [L88] const SORT_41 var_209 = 1; [L89] const SORT_41 var_211 = 5; [L90] const SORT_1 var_229 = 4095; [L91] const SORT_1 var_569 = 1; [L92] const SORT_305 var_577 = 0; [L94] SORT_1 input_2; [L95] SORT_1 input_3; [L96] SORT_1 input_4; [L97] SORT_1 input_5; [L98] SORT_6 input_7; [L99] SORT_6 input_8; [L100] SORT_6 input_9; [L101] SORT_1 input_10; [L102] SORT_11 input_12; [L103] SORT_6 input_13; [L104] SORT_6 input_14; [L105] SORT_6 input_15; [L106] SORT_1 input_216; [L107] SORT_41 input_219; [L109] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L109] SORT_1 state_17 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L110] SORT_1 state_19 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L111] SORT_1 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, state_23=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L112] SORT_1 state_25 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, state_23=0, state_25=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L113] SORT_1 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L114] SORT_1 state_31 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_41 VAL [__VERIFIER_nondet_uchar() & mask_SORT_41=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L115] SORT_41 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_41; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L116] SORT_1 state_59 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L117] SORT_1 state_125 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L119] SORT_1 init_18_arg_1 = var_16; [L120] state_17 = init_18_arg_1 [L121] SORT_1 init_20_arg_1 = var_16; [L122] state_19 = init_20_arg_1 [L123] SORT_1 init_24_arg_1 = var_16; [L124] state_23 = init_24_arg_1 [L125] SORT_1 init_26_arg_1 = var_16; [L126] state_25 = init_26_arg_1 [L127] SORT_1 init_30_arg_1 = var_16; [L128] state_29 = init_30_arg_1 [L129] SORT_1 init_32_arg_1 = var_16; [L130] state_31 = init_32_arg_1 [L131] SORT_41 init_44_arg_1 = var_42; [L132] state_43 = init_44_arg_1 [L133] SORT_1 init_60_arg_1 = var_16; [L134] state_59 = init_60_arg_1 [L135] SORT_1 init_126_arg_1 = var_16; [L136] state_125 = init_126_arg_1 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L139] input_2 = __VERIFIER_nondet_ushort() [L140] input_3 = __VERIFIER_nondet_ushort() [L141] input_4 = __VERIFIER_nondet_ushort() [L142] input_5 = __VERIFIER_nondet_ushort() [L143] input_7 = __VERIFIER_nondet_uchar() [L144] input_8 = __VERIFIER_nondet_uchar() [L145] input_9 = __VERIFIER_nondet_uchar() [L146] EXPR input_9 & mask_SORT_6 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_9 & mask_SORT_6=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L146] input_9 = input_9 & mask_SORT_6 [L147] input_10 = __VERIFIER_nondet_ushort() [L148] input_12 = __VERIFIER_nondet_uchar() [L149] EXPR input_12 & mask_SORT_11 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12 & mask_SORT_11=0, input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L149] input_12 = input_12 & mask_SORT_11 [L150] input_13 = __VERIFIER_nondet_uchar() [L151] input_14 = __VERIFIER_nondet_uchar() [L152] input_15 = __VERIFIER_nondet_uchar() [L153] input_216 = __VERIFIER_nondet_ushort() [L154] input_219 = __VERIFIER_nondet_uchar() [L157] SORT_6 var_34_arg_0 = var_21; [L158] SORT_1 var_34_arg_1 = input_5; [L159] SORT_1 var_34_arg_2 = input_4; [L160] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L161] SORT_6 var_33_arg_0 = var_21; [L162] SORT_1 var_33_arg_1 = state_31; [L163] SORT_1 var_33_arg_2 = state_29; [L164] SORT_1 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L165] SORT_6 var_35_arg_0 = var_21; [L166] SORT_1 var_35_arg_1 = var_34; [L167] SORT_1 var_35_arg_2 = var_33; [L168] SORT_1 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L169] SORT_6 var_27_arg_0 = var_21; [L170] SORT_1 var_27_arg_1 = state_25; [L171] SORT_1 var_27_arg_2 = state_23; [L172] SORT_1 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L173] SORT_6 var_22_arg_0 = var_21; [L174] SORT_1 var_22_arg_1 = state_19; [L175] SORT_1 var_22_arg_2 = state_17; [L176] SORT_1 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L177] SORT_6 var_28_arg_0 = var_21; [L178] SORT_1 var_28_arg_1 = var_27; [L179] SORT_1 var_28_arg_2 = var_22; [L180] SORT_1 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L181] SORT_6 var_36_arg_0 = var_21; [L182] SORT_1 var_36_arg_1 = var_35; [L183] SORT_1 var_36_arg_2 = var_28; [L184] SORT_1 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L185] SORT_1 var_38_arg_0 = var_36; VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38_arg_0=0, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L186] EXPR var_38_arg_0 & mask_SORT_1 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38_arg_0 & mask_SORT_1=0, var_38_arg_0=0, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L186] var_38_arg_0 = var_38_arg_0 & mask_SORT_1 [L187] SORT_37 var_38 = var_38_arg_0; [L188] SORT_37 var_40_arg_0 = var_38; [L189] SORT_37 var_40_arg_1 = var_39; [L190] SORT_6 var_40 = var_40_arg_0 == var_40_arg_1; [L191] SORT_41 var_46_arg_0 = state_43; [L192] SORT_41 var_46_arg_1 = var_45; [L193] SORT_6 var_46 = var_46_arg_0 != var_46_arg_1; [L194] SORT_41 var_48_arg_0 = state_43; [L195] SORT_41 var_48_arg_1 = var_47; [L196] SORT_6 var_48 = var_48_arg_0 != var_48_arg_1; [L197] SORT_6 var_49_arg_0 = var_46; [L198] SORT_6 var_49_arg_1 = var_48; VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49_arg_0=1, var_49_arg_1=1, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L199] EXPR var_49_arg_0 | var_49_arg_1 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49_arg_0 | var_49_arg_1=1, var_49_arg_0=1, var_49_arg_1=1, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L199] SORT_6 var_49 = var_49_arg_0 | var_49_arg_1; [L200] SORT_6 var_50_arg_0 = var_40; [L201] SORT_6 var_50_arg_1 = var_49; VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49=1, var_49_arg_0=1, var_49_arg_1=1, var_50_arg_0=1, var_50_arg_1=1, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L202] EXPR var_50_arg_0 & var_50_arg_1 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49=1, var_49_arg_0=1, var_49_arg_1=1, var_50_arg_0 & var_50_arg_1=1, var_50_arg_0=1, var_50_arg_1=1, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L202] SORT_6 var_50 = var_50_arg_0 & var_50_arg_1; [L203] SORT_6 var_54_arg_0 = var_50; [L204] SORT_6 var_54 = ~var_54_arg_0; [L205] SORT_6 var_55_arg_0 = var_53; [L206] SORT_6 var_55_arg_1 = var_54; VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49=1, var_49_arg_0=1, var_49_arg_1=1, var_50=1, var_50_arg_0=1, var_50_arg_1=1, var_53=1, var_54=254, var_54_arg_0=1, var_55_arg_0=1, var_55_arg_1=254, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L207] EXPR var_55_arg_0 & var_55_arg_1 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49=1, var_49_arg_0=1, var_49_arg_1=1, var_50=1, var_50_arg_0=1, var_50_arg_1=1, var_53=1, var_54=254, var_54_arg_0=1, var_55_arg_0 & var_55_arg_1=1, var_55_arg_0=1, var_55_arg_1=254, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L207] SORT_6 var_55 = var_55_arg_0 & var_55_arg_1; [L208] EXPR var_55 & mask_SORT_6 VAL [init_126_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_44_arg_1=0, init_60_arg_1=0, input_12=0, input_4=0, input_5=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_37=4294967295, mask_SORT_41=7, mask_SORT_6=1, msb_SORT_11=8, msb_SORT_1=2048, msb_SORT_289=2, msb_SORT_293=16, msb_SORT_295=32, msb_SORT_297=64, msb_SORT_299=128, msb_SORT_301=256, msb_SORT_303=512, msb_SORT_305=1024, msb_SORT_37=2147483648, msb_SORT_41=4, msb_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_36_arg_2=0, var_38=0, var_38_arg_0=0, var_39=0, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_42=0, var_45=6, var_46=1, var_46_arg_0=0, var_46_arg_1=6, var_47=7, var_48=1, var_48_arg_0=0, var_48_arg_1=7, var_49=1, var_49_arg_0=1, var_49_arg_1=1, var_50=1, var_50_arg_0=1, var_50_arg_1=1, var_53=1, var_54=254, var_54_arg_0=1, var_55 & mask_SORT_6=1, var_55=1, var_55_arg_0=1, var_55_arg_1=254, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L208] var_55 = var_55 & mask_SORT_6 [L209] SORT_6 bad_56_arg_0 = var_55; [L210] CALL __VERIFIER_assert(!(bad_56_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, 1136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45841 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45841 mSDsluCounter, 45235 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33916 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 11319 mSDtfsCounter, 321 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1154occurred in iteration=6, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 7742 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:12:08,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:12:11,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:12:11,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 23:12:11,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:12:11,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:12:11,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:12:11,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:12:11,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:12:11,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:12:11,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:12:11,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:12:11,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:12:11,500 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:12:11,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:12:11,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:12:11,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:12:11,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:12:11,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:12:11,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:12:11,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:12:11,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:12:11,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:12:11,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:12:11,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:12:11,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:12:11,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:12:11,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:12:11,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:11,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:12:11,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:12:11,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:12:11,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:12:11,514 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:12:11,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:12:11,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:12:11,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:12:11,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:12:11,515 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:12:11,515 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:12:11,516 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 [2023-11-06 23:12:11,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:12:11,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:12:11,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:12:11,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:12:11,923 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:12:11,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2023-11-06 23:12:15,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:12:15,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:12:15,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2023-11-06 23:12:15,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data/8ab21bf64/3f9db9880efe4a13bab4127e6ce9e943/FLAG643c10b11 [2023-11-06 23:12:15,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/data/8ab21bf64/3f9db9880efe4a13bab4127e6ce9e943 [2023-11-06 23:12:15,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:12:15,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:12:15,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:15,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:12:15,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:12:15,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:15,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b764f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15, skipping insertion in model container [2023-11-06 23:12:15,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:15,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:16,118 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2023-11-06 23:12:16,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:16,568 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:12:16,579 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_c5bc1e83-f449-4292-a96b-e0ede7513d76/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2023-11-06 23:12:16,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:16,734 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:12:16,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16 WrapperNode [2023-11-06 23:12:16,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:16,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:16,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:12:16,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:12:16,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:16,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:16,969 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1785 [2023-11-06 23:12:16,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:16,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:12:16,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:12:16,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:12:16,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:16,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:12:17,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:12:17,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:12:17,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:12:17,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (1/1) ... [2023-11-06 23:12:17,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:12:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:12:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:12:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:12:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:12:17,693 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:12:17,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:12:21,272 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:12:21,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:12:21,280 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:12:21,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:21 BoogieIcfgContainer [2023-11-06 23:12:21,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:12:21,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:12:21,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:12:21,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:12:21,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:12:15" (1/3) ... [2023-11-06 23:12:21,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a82f9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:21, skipping insertion in model container [2023-11-06 23:12:21,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:16" (2/3) ... [2023-11-06 23:12:21,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a82f9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:21, skipping insertion in model container [2023-11-06 23:12:21,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:21" (3/3) ... [2023-11-06 23:12:21,297 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p1.c [2023-11-06 23:12:21,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:12:21,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:12:21,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:21,382 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28643e0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:21,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:12:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 23:12:21,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:21,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:12:21,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:21,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 23:12:21,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:21,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578167577] [2023-11-06 23:12:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:21,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:21,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:21,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:12:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:21,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-06 23:12:21,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:22,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:22,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:22,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578167577] [2023-11-06 23:12:22,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578167577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:22,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:22,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:22,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770109067] [2023-11-06 23:12:22,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:22,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:12:22,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:22,652 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:23,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:23,265 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 23:12:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:23,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-06 23:12:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:23,276 INFO L225 Difference]: With dead ends: 19 [2023-11-06 23:12:23,276 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 23:12:23,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:23,283 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:23,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:12:23,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 23:12:23,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 23:12:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 23:12:23,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 23:12:23,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:23,316 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 23:12:23,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 23:12:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:12:23,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:23,318 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:23,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:23,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:23,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:23,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 23:12:23,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:23,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270986684] [2023-11-06 23:12:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:23,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:23,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:23,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:23,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bc1e83-f449-4292-a96b-e0ede7513d76/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:12:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:26,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 249 conjunts are in the unsatisfiable core [2023-11-06 23:12:26,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:34,025 INFO L327 TraceCheckSpWp]: Computing backward predicates...