./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b0af5d1e81b8ef08a8c715e25cc88665897ce7d17ecd1eab38dd9c44cbe0a9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:28:18,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:28:18,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 13:28:18,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:28:18,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:28:18,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:28:18,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:28:18,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:28:18,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:28:18,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:28:18,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:28:18,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:28:18,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:28:18,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:28:18,594 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:28:18,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:28:18,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:28:18,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:28:18,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:28:18,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:28:18,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:28:18,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:28:18,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:28:18,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:28:18,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:28:18,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:28:18,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:28:18,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:28:18,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:28:18,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:18,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:28:18,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:28:18,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:28:18,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:28:18,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:28:18,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:28:18,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:28:18,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:28:18,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:28:18,601 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0af5d1e81b8ef08a8c715e25cc88665897ce7d17ecd1eab38dd9c44cbe0a9d [2024-11-13 13:28:18,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:28:18,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:28:18,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:28:18,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:28:18,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:28:18,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c Unable to find full path for "g++" [2024-11-13 13:28:21,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:28:21,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:28:21,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c [2024-11-13 13:28:21,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data/12e3436a0/be6a9827de574174964575564fc0b3c1/FLAGba5432457 [2024-11-13 13:28:21,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data/12e3436a0/be6a9827de574174964575564fc0b3c1 [2024-11-13 13:28:21,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:28:21,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:28:21,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:21,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:28:21,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:28:21,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:21" (1/1) ... [2024-11-13 13:28:21,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e5e8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21, skipping insertion in model container [2024-11-13 13:28:21,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:21" (1/1) ... [2024-11-13 13:28:21,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:28:22,149 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c[1260,1273] [2024-11-13 13:28:22,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:22,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:28:22,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c[1260,1273] [2024-11-13 13:28:22,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:22,894 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:28:22,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22 WrapperNode [2024-11-13 13:28:22,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:22,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:22,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:28:22,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:28:22,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:22,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:23,570 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4466 [2024-11-13 13:28:23,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:23,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:28:23,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:28:23,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:28:23,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:23,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:23,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:23,853 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:28:23,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:23,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:24,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:24,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:24,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:24,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:24,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:28:24,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:28:24,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:28:24,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:28:24,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (1/1) ... [2024-11-13 13:28:24,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:24,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:24,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:28:24,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:28:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:28:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:28:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:28:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:28:24,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:28:24,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:28:32,211 INFO L? ?]: Removed 2655 outVars from TransFormulas that were not future-live. [2024-11-13 13:28:32,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:28:32,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:28:32,286 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:28:32,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:32 BoogieIcfgContainer [2024-11-13 13:28:32,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:28:32,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:28:32,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:28:32,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:28:32,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:21" (1/3) ... [2024-11-13 13:28:32,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a95aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:32, skipping insertion in model container [2024-11-13 13:28:32,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:22" (2/3) ... [2024-11-13 13:28:32,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a95aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:32, skipping insertion in model container [2024-11-13 13:28:32,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:32" (3/3) ... [2024-11-13 13:28:32,308 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p2.c [2024-11-13 13:28:32,328 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:28:32,332 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.vis_arrays_vsa16a_p2.c that has 1 procedures, 1335 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:28:32,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:28:32,467 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6cc4a551, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:28:32,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:28:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 1335 states, 1333 states have (on average 1.4996249062265565) internal successors, (1999), 1334 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 13:28:32,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:32,488 INFO L215 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] [2024-11-13 13:28:32,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:32,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash 328805578, now seen corresponding path program 1 times [2024-11-13 13:28:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:32,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382549896] [2024-11-13 13:28:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:33,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:33,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382549896] [2024-11-13 13:28:33,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382549896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:33,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:33,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:28:33,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672298723] [2024-11-13 13:28:33,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:33,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:28:33,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:33,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:28:33,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:28:33,747 INFO L87 Difference]: Start difference. First operand has 1335 states, 1333 states have (on average 1.4996249062265565) internal successors, (1999), 1334 states have internal predecessors, (1999), 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) [2024-11-13 13:28:34,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:34,044 INFO L93 Difference]: Finished difference Result 2615 states and 3919 transitions. [2024-11-13 13:28:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:28:34,047 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 [2024-11-13 13:28:34,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:34,080 INFO L225 Difference]: With dead ends: 2615 [2024-11-13 13:28:34,080 INFO L226 Difference]: Without dead ends: 1334 [2024-11-13 13:28:34,092 INFO L431 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 [2024-11-13 13:28:34,097 INFO L432 NwaCegarLoop]: 1993 mSDtfsCounter, 0 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:34,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5973 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:28:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-11-13 13:28:34,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2024-11-13 13:28:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1333 states have (on average 1.498124531132783) internal successors, (1997), 1333 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1997 transitions. [2024-11-13 13:28:34,262 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1997 transitions. Word has length 37 [2024-11-13 13:28:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:34,263 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1997 transitions. [2024-11-13 13:28:34,264 INFO L472 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) [2024-11-13 13:28:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1997 transitions. [2024-11-13 13:28:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 13:28:34,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:34,267 INFO L215 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] [2024-11-13 13:28:34,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:28:34,268 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:34,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:34,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1604733687, now seen corresponding path program 1 times [2024-11-13 13:28:34,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:34,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128901941] [2024-11-13 13:28:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:34,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:34,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:34,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128901941] [2024-11-13 13:28:34,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128901941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:34,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:34,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:28:34,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903750106] [2024-11-13 13:28:34,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:34,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:28:34,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:34,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:28:34,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:28:34,685 INFO L87 Difference]: Start difference. First operand 1334 states and 1997 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) [2024-11-13 13:28:34,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:34,815 INFO L93 Difference]: Finished difference Result 2616 states and 3917 transitions. [2024-11-13 13:28:34,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:28:34,816 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 [2024-11-13 13:28:34,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:34,823 INFO L225 Difference]: With dead ends: 2616 [2024-11-13 13:28:34,823 INFO L226 Difference]: Without dead ends: 1336 [2024-11-13 13:28:34,825 INFO L431 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 [2024-11-13 13:28:34,826 INFO L432 NwaCegarLoop]: 1993 mSDtfsCounter, 0 mSDsluCounter, 3976 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:34,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5969 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:28:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-11-13 13:28:34,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1336. [2024-11-13 13:28:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1335 states have (on average 1.497378277153558) internal successors, (1999), 1335 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1999 transitions. [2024-11-13 13:28:34,880 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1999 transitions. Word has length 38 [2024-11-13 13:28:34,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:34,881 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1999 transitions. [2024-11-13 13:28:34,881 INFO L472 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) [2024-11-13 13:28:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1999 transitions. [2024-11-13 13:28:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 13:28:34,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:34,882 INFO L215 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] [2024-11-13 13:28:34,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:28:34,883 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:34,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:34,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1404138307, now seen corresponding path program 1 times [2024-11-13 13:28:34,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:34,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017031080] [2024-11-13 13:28:34,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:34,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:35,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:35,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017031080] [2024-11-13 13:28:35,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017031080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:35,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:35,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:28:35,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362425141] [2024-11-13 13:28:35,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:35,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:28:35,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:35,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:28:35,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:28:35,483 INFO L87 Difference]: Start difference. First operand 1336 states and 1999 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) [2024-11-13 13:28:35,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:35,613 INFO L93 Difference]: Finished difference Result 2616 states and 3916 transitions. [2024-11-13 13:28:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:28:35,614 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 [2024-11-13 13:28:35,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:35,620 INFO L225 Difference]: With dead ends: 2616 [2024-11-13 13:28:35,620 INFO L226 Difference]: Without dead ends: 1334 [2024-11-13 13:28:35,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:28:35,623 INFO L432 NwaCegarLoop]: 1987 mSDtfsCounter, 1966 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 3973 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:35,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 3973 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:28:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-11-13 13:28:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2024-11-13 13:28:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1333 states have (on average 1.4966241560390097) internal successors, (1995), 1333 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1995 transitions. [2024-11-13 13:28:35,677 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1995 transitions. Word has length 39 [2024-11-13 13:28:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:35,678 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1995 transitions. [2024-11-13 13:28:35,678 INFO L472 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) [2024-11-13 13:28:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1995 transitions. [2024-11-13 13:28:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 13:28:35,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:35,682 INFO L215 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] [2024-11-13 13:28:35,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:28:35,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:35,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2143159866, now seen corresponding path program 1 times [2024-11-13 13:28:35,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:35,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011335109] [2024-11-13 13:28:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:28:35,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:28:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:28:36,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:28:36,014 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:28:36,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:28:36,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:28:36,022 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 13:28:36,105 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:28:36,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:28:36 BoogieIcfgContainer [2024-11-13 13:28:36,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:28:36,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:28:36,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:28:36,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:28:36,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:32" (3/4) ... [2024-11-13 13:28:36,120 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:28:36,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:28:36,122 INFO L158 Benchmark]: Toolchain (without parser) took 14314.23ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 931.1MB). Free memory was 116.3MB in the beginning and 874.4MB in the end (delta: -758.1MB). Peak memory consumption was 178.0MB. Max. memory is 16.1GB. [2024-11-13 13:28:36,123 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:28:36,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.78ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 84.0MB in the end (delta: 32.3MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2024-11-13 13:28:36,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 673.44ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 84.0MB in the beginning and 312.2MB in the end (delta: -228.2MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-11-13 13:28:36,124 INFO L158 Benchmark]: Boogie Preprocessor took 767.51ms. Allocated memory is still 427.8MB. Free memory was 312.2MB in the beginning and 293.0MB in the end (delta: 19.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-13 13:28:36,124 INFO L158 Benchmark]: RCFGBuilder took 7950.44ms. Allocated memory was 427.8MB in the beginning and 1.1GB in the end (delta: 645.9MB). Free memory was 293.0MB in the beginning and 585.5MB in the end (delta: -292.5MB). Peak memory consumption was 371.4MB. Max. memory is 16.1GB. [2024-11-13 13:28:36,126 INFO L158 Benchmark]: TraceAbstraction took 3821.43ms. Allocated memory is still 1.1GB. Free memory was 585.5MB in the beginning and 874.5MB in the end (delta: -289.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:28:36,127 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 1.1GB. Free memory was 874.5MB in the beginning and 874.4MB in the end (delta: 61.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:28:36,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.78ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 84.0MB in the end (delta: 32.3MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 673.44ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 84.0MB in the beginning and 312.2MB in the end (delta: -228.2MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 767.51ms. Allocated memory is still 427.8MB. Free memory was 312.2MB in the beginning and 293.0MB in the end (delta: 19.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7950.44ms. Allocated memory was 427.8MB in the beginning and 1.1GB in the end (delta: 645.9MB). Free memory was 293.0MB in the beginning and 585.5MB in the end (delta: -292.5MB). Peak memory consumption was 371.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3821.43ms. Allocated memory is still 1.1GB. Free memory was 585.5MB in the beginning and 874.5MB in the end (delta: -289.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 1.1GB. Free memory was 874.5MB in the beginning and 874.4MB in the end (delta: 61.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 201. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_38 mask_SORT_38 = (SORT_38)-1 >> (sizeof(SORT_38) * 8 - 12); [L33] const SORT_38 msb_SORT_38 = (SORT_38)1 << (12 - 1); [L35] const SORT_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 3); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (3 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 2); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (2 - 1); [L41] const SORT_230 mask_SORT_230 = (SORT_230)-1 >> (sizeof(SORT_230) * 8 - 4); [L42] const SORT_230 msb_SORT_230 = (SORT_230)1 << (4 - 1); [L44] const SORT_232 mask_SORT_232 = (SORT_232)-1 >> (sizeof(SORT_232) * 8 - 5); [L45] const SORT_232 msb_SORT_232 = (SORT_232)1 << (5 - 1); [L47] const SORT_234 mask_SORT_234 = (SORT_234)-1 >> (sizeof(SORT_234) * 8 - 6); [L48] const SORT_234 msb_SORT_234 = (SORT_234)1 << (6 - 1); [L50] const SORT_236 mask_SORT_236 = (SORT_236)-1 >> (sizeof(SORT_236) * 8 - 7); [L51] const SORT_236 msb_SORT_236 = (SORT_236)1 << (7 - 1); [L53] const SORT_238 mask_SORT_238 = (SORT_238)-1 >> (sizeof(SORT_238) * 8 - 8); [L54] const SORT_238 msb_SORT_238 = (SORT_238)1 << (8 - 1); [L56] const SORT_240 mask_SORT_240 = (SORT_240)-1 >> (sizeof(SORT_240) * 8 - 9); [L57] const SORT_240 msb_SORT_240 = (SORT_240)1 << (9 - 1); [L59] const SORT_242 mask_SORT_242 = (SORT_242)-1 >> (sizeof(SORT_242) * 8 - 10); [L60] const SORT_242 msb_SORT_242 = (SORT_242)1 << (10 - 1); [L62] const SORT_244 mask_SORT_244 = (SORT_244)-1 >> (sizeof(SORT_244) * 8 - 11); [L63] const SORT_244 msb_SORT_244 = (SORT_244)1 << (11 - 1); [L65] const SORT_247 mask_SORT_247 = (SORT_247)-1 >> (sizeof(SORT_247) * 8 - 13); [L66] const SORT_247 msb_SORT_247 = (SORT_247)1 << (13 - 1); [L68] const SORT_249 mask_SORT_249 = (SORT_249)-1 >> (sizeof(SORT_249) * 8 - 14); [L69] const SORT_249 msb_SORT_249 = (SORT_249)1 << (14 - 1); [L71] const SORT_251 mask_SORT_251 = (SORT_251)-1 >> (sizeof(SORT_251) * 8 - 15); [L72] const SORT_251 msb_SORT_251 = (SORT_251)1 << (15 - 1); [L74] const SORT_460 mask_SORT_460 = (SORT_460)-1 >> (sizeof(SORT_460) * 8 - 17); [L75] const SORT_460 msb_SORT_460 = (SORT_460)1 << (17 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_1 var_11 = 0; [L79] const SORT_1 var_22 = 1; [L80] const SORT_38 var_39 = 0; [L81] const SORT_44 var_45 = 0; [L82] const SORT_44 var_49 = 2; [L83] const SORT_44 var_53 = 1; [L84] const SORT_44 var_58 = 4; [L85] const SORT_44 var_60 = 5; [L86] const SORT_44 var_64 = 3; [L87] const SORT_71 var_73 = 0; [L88] const SORT_3 var_80 = 65535; [L89] const SORT_232 var_461 = 0; [L90] const SORT_236 var_507 = 5; [L91] const SORT_236 var_511 = 4; [L92] const SORT_236 var_515 = 3; [L93] const SORT_236 var_519 = 2; [L94] const SORT_236 var_523 = 1; [L95] const SORT_236 var_527 = 0; [L96] const SORT_38 var_561 = 2; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_68; [L102] SORT_3 input_69; [L103] SORT_3 input_70; [L104] SORT_3 input_79; [L105] SORT_3 input_88; [L106] SORT_3 input_89; [L107] SORT_3 input_90; [L108] SORT_3 input_93; [L109] SORT_3 input_111; [L110] SORT_3 input_112; [L111] SORT_3 input_113; [L112] SORT_3 input_116; [L113] SORT_3 input_118; [L114] SORT_71 input_132; [L115] SORT_71 input_133; [L116] SORT_71 input_134; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L119] SORT_3 state_9 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L120] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L120] SORT_3 state_13 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L121] SORT_3 state_15 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L122] SORT_3 state_26 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L123] SORT_3 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L124] SORT_3 state_30 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L125] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L126] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L127] SORT_3 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_38 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L128] SORT_38 state_40 = __VERIFIER_nondet_ushort() & mask_SORT_38; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_38 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L129] SORT_38 state_42 = __VERIFIER_nondet_ushort() & mask_SORT_38; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_44 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, var_11=0, var_22=1, var_39=0, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L130] SORT_44 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_44; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_3 init_10_arg_1 = var_6; [L135] state_9 = init_10_arg_1 [L136] SORT_3 init_14_arg_1 = var_6; [L137] state_13 = init_14_arg_1 [L138] SORT_3 init_16_arg_1 = var_6; [L139] state_15 = init_16_arg_1 [L140] SORT_3 init_27_arg_1 = var_6; [L141] state_26 = init_27_arg_1 [L142] SORT_3 init_29_arg_1 = var_6; [L143] state_28 = init_29_arg_1 [L144] SORT_3 init_31_arg_1 = var_6; [L145] state_30 = init_31_arg_1 [L146] SORT_1 init_33_arg_1 = var_11; [L147] state_32 = init_33_arg_1 [L148] SORT_3 init_35_arg_1 = var_6; [L149] state_34 = init_35_arg_1 [L150] SORT_3 init_37_arg_1 = var_6; [L151] state_36 = init_37_arg_1 [L152] SORT_38 init_41_arg_1 = var_39; [L153] state_40 = init_41_arg_1 [L154] SORT_38 init_43_arg_1 = var_39; [L155] state_42 = init_43_arg_1 [L156] SORT_44 init_47_arg_1 = var_45; [L157] state_46 = init_47_arg_1 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, state_13=0, state_15=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_40=0, state_42=0, state_46=0, state_7=0, state_9=0, var_11=0, var_22=1, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_68 = __VERIFIER_nondet_ushort() [L164] input_69 = __VERIFIER_nondet_ushort() [L165] input_70 = __VERIFIER_nondet_ushort() [L166] input_79 = __VERIFIER_nondet_ushort() [L167] input_88 = __VERIFIER_nondet_ushort() [L168] input_89 = __VERIFIER_nondet_ushort() [L169] input_90 = __VERIFIER_nondet_ushort() [L170] input_93 = __VERIFIER_nondet_ushort() [L171] input_111 = __VERIFIER_nondet_ushort() [L172] input_112 = __VERIFIER_nondet_ushort() [L173] input_113 = __VERIFIER_nondet_ushort() [L174] input_116 = __VERIFIER_nondet_ushort() [L175] input_118 = __VERIFIER_nondet_ushort() [L176] input_132 = __VERIFIER_nondet_uchar() [L177] input_133 = __VERIFIER_nondet_uchar() [L178] input_134 = __VERIFIER_nondet_uchar() [L181] SORT_1 var_17_arg_0 = var_11; [L182] SORT_3 var_17_arg_1 = state_15; [L183] SORT_3 var_17_arg_2 = state_13; [L184] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L185] SORT_1 var_12_arg_0 = var_11; [L186] SORT_3 var_12_arg_1 = state_9; [L187] SORT_3 var_12_arg_2 = state_7; [L188] SORT_3 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L189] SORT_1 var_18_arg_0 = var_11; [L190] SORT_3 var_18_arg_1 = var_17; [L191] SORT_3 var_18_arg_2 = var_12; [L192] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, state_13=0, state_15=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_40=0, state_42=0, state_46=0, state_7=0, state_9=0, var_11=0, var_18=0, var_22=1, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L193] EXPR var_18 & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, state_13=0, state_15=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_40=0, state_42=0, state_46=0, state_7=0, state_9=0, var_11=0, var_22=1, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L193] var_18 = var_18 & mask_SORT_3 [L194] SORT_3 var_19_arg_0 = var_18; [L195] SORT_3 var_19_arg_1 = var_6; [L196] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L197] SORT_1 var_23_arg_0 = var_19; [L198] SORT_1 var_23 = ~var_23_arg_0; [L199] SORT_1 var_24_arg_0 = var_22; [L200] SORT_1 var_24_arg_1 = var_23; VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, state_13=0, state_15=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_40=0, state_42=0, state_46=0, state_7=0, state_9=0, var_11=0, var_22=1, var_24_arg_0=1, var_24_arg_1=-2, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L201] EXPR var_24_arg_0 & var_24_arg_1 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, state_13=0, state_15=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_40=0, state_42=0, state_46=0, state_7=0, state_9=0, var_11=0, var_22=1, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L201] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L202] EXPR var_24 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_230=15, mask_SORT_232=31, mask_SORT_234=63, mask_SORT_236=127, mask_SORT_238=255, mask_SORT_240=511, mask_SORT_242=1023, mask_SORT_244=2047, mask_SORT_247=8191, mask_SORT_249=16383, mask_SORT_251=32767, mask_SORT_38=4095, mask_SORT_3=65535, mask_SORT_44=7, mask_SORT_71=3, state_13=0, state_15=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_40=0, state_42=0, state_46=0, state_7=0, state_9=0, var_11=0, var_22=1, var_45=0, var_461=0, var_49=2, var_507=5, var_511=4, var_515=3, var_519=2, var_523=1, var_527=0, var_53=1, var_561=2, var_58=4, var_60=5, var_64=3, var_6=0, var_73=0, var_80=65535] [L202] var_24 = var_24 & mask_SORT_1 [L203] SORT_1 bad_25_arg_0 = var_24; [L204] CALL __VERIFIER_assert(!(bad_25_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1335 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1966 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1966 mSDsluCounter, 15915 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9942 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5973 mSDtfsCounter, 37 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1336occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:28:36,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b0af5d1e81b8ef08a8c715e25cc88665897ce7d17ecd1eab38dd9c44cbe0a9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:28:39,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:28:39,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-13 13:28:39,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:28:39,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:28:39,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:28:39,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:28:39,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:28:39,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:28:39,512 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:28:39,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:28:39,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:28:39,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:28:39,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:28:39,513 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:28:39,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:28:39,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:28:39,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:28:39,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:28:39,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:28:39,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:39,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:28:39,515 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:28:39,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:28:39,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:28:39,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:28:39,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:28:39,522 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0af5d1e81b8ef08a8c715e25cc88665897ce7d17ecd1eab38dd9c44cbe0a9d [2024-11-13 13:28:39,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:28:39,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:28:39,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:28:39,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:28:39,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:28:39,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c Unable to find full path for "g++" [2024-11-13 13:28:42,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:28:42,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:28:42,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c [2024-11-13 13:28:42,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data/4cc07ff0c/594d5bca90a046b0852b8670119bf45e/FLAG167b06744 [2024-11-13 13:28:42,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/data/4cc07ff0c/594d5bca90a046b0852b8670119bf45e [2024-11-13 13:28:42,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:28:42,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:28:42,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:42,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:28:42,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:28:42,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:42" (1/1) ... [2024-11-13 13:28:42,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed1f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:42, skipping insertion in model container [2024-11-13 13:28:42,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:42" (1/1) ... [2024-11-13 13:28:42,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:28:43,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c[1260,1273] [2024-11-13 13:28:43,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:43,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:28:43,569 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p2.c[1260,1273] [2024-11-13 13:28:43,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:43,821 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:28:43,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43 WrapperNode [2024-11-13 13:28:43,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:43,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:43,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:28:43,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:28:43,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:43,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,034 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1816 [2024-11-13 13:28:44,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:44,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:28:44,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:28:44,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:28:44,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,135 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:28:44,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:28:44,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:28:44,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:28:44,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:28:44,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (1/1) ... [2024-11-13 13:28:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:44,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:28:44,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:28:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:28:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:28:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:28:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:28:45,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:28:45,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:28:48,781 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-13 13:28:48,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:28:48,793 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:28:48,794 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:28:48,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:48 BoogieIcfgContainer [2024-11-13 13:28:48,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:28:48,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:28:48,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:28:48,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:28:48,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:42" (1/3) ... [2024-11-13 13:28:48,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f13034c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:48, skipping insertion in model container [2024-11-13 13:28:48,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:43" (2/3) ... [2024-11-13 13:28:48,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f13034c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:48, skipping insertion in model container [2024-11-13 13:28:48,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:48" (3/3) ... [2024-11-13 13:28:48,809 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p2.c [2024-11-13 13:28:48,832 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:28:48,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.vis_arrays_vsa16a_p2.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:28:48,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:28:48,926 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4afce841, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:28:48,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:28:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 13:28:48,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:48,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 13:28:48,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:48,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:48,948 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-13 13:28:48,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:28:48,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683155377] [2024-11-13 13:28:48,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:48,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:48,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:48,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:28:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:49,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 13:28:49,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:49,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:49,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:28:49,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683155377] [2024-11-13 13:28:49,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683155377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:49,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:49,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:28:49,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479599168] [2024-11-13 13:28:49,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:49,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:28:49,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:28:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:28:49,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:28:49,952 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:50,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:50,158 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-13 13:28:50,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:28:50,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 13:28:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:50,169 INFO L225 Difference]: With dead ends: 18 [2024-11-13 13:28:50,169 INFO L226 Difference]: Without dead ends: 10 [2024-11-13 13:28:50,173 INFO L431 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 [2024-11-13 13:28:50,177 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:50,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:28:50,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-13 13:28:50,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-13 13:28:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 13:28:50,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-13 13:28:50,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:50,220 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-13 13:28:50,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 13:28:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:28:50,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:50,221 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:50,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:28:50,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:50,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:50,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:50,422 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-13 13:28:50,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:28:50,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767836282] [2024-11-13 13:28:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:50,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:50,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:50,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:50,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9a266b-de1e-419a-ba9c-47f47038078f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:28:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:51,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 13:28:51,183 INFO L278 TraceCheckSpWp]: Computing forward predicates...