./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB --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 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:42:46,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:42:46,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:42:46,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:42:46,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:42:46,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:42:46,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:42:46,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:42:46,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:42:46,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:42:46,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:42:46,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:42:46,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:42:46,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:42:46,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:42:46,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:42:46,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:42:46,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:42:46,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:42:46,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:42:46,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:42:46,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:42:46,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:42:46,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:42:46,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:42:46,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:42:46,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:46,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:46,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:46,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:46,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:42:46,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:42:46,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:42:46,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:42:46,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:42:46,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:42:46,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:42:46,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:42:46,593 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb [2024-11-28 02:42:46,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:42:46,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:42:46,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:42:46,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:42:46,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:42:46,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2024-11-28 02:42:49,947 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/bb9ccc2e0/5883f792d73a403e8842b8c239c404a1/FLAG1b7f7d45e [2024-11-28 02:42:50,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:42:50,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2024-11-28 02:42:50,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/bb9ccc2e0/5883f792d73a403e8842b8c239c404a1/FLAG1b7f7d45e [2024-11-28 02:42:50,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/bb9ccc2e0/5883f792d73a403e8842b8c239c404a1 [2024-11-28 02:42:50,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:42:50,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:42:50,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:50,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:42:50,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:42:50,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51231eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50, skipping insertion in model container [2024-11-28 02:42:50,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:42:50,563 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2024-11-28 02:42:50,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:50,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:42:50,700 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2024-11-28 02:42:50,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:50,772 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:42:50,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50 WrapperNode [2024-11-28 02:42:50,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:50,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:50,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:42:50,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:42:50,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,889 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2024-11-28 02:42:50,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:50,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:42:50,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:42:50,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:42:50,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,956 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]. [2024-11-28 02:42:50,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:50,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:51,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:51,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:51,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:51,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:42:51,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:42:51,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:42:51,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:42:51,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (1/1) ... [2024-11-28 02:42:51,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:51,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:51,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:42:51,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:42:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:42:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:42:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:42:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:42:51,334 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:42:51,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:42:52,481 INFO L? ?]: Removed 260 outVars from TransFormulas that were not future-live. [2024-11-28 02:42:52,481 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:42:52,502 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:42:52,502 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:42:52,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:52 BoogieIcfgContainer [2024-11-28 02:42:52,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:42:52,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:42:52,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:42:52,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:42:52,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:42:50" (1/3) ... [2024-11-28 02:42:52,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b99c791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:52, skipping insertion in model container [2024-11-28 02:42:52,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:50" (2/3) ... [2024-11-28 02:42:52,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b99c791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:52, skipping insertion in model container [2024-11-28 02:42:52,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:52" (3/3) ... [2024-11-28 02:42:52,518 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v6.c [2024-11-28 02:42:52,538 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:42:52,540 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.eq_sdp_v6.c that has 1 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:42:52,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:42:52,646 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;@44e96321, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:42:52,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:42:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 128 states have (on average 1.4921875) internal successors, (191), 129 states have internal predecessors, (191), 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) [2024-11-28 02:42:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 02:42:52,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:52,661 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:52,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:52,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:52,667 INFO L85 PathProgramCache]: Analyzing trace with hash 761713907, now seen corresponding path program 1 times [2024-11-28 02:42:52,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:52,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877016371] [2024-11-28 02:42:52,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:53,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:53,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877016371] [2024-11-28 02:42:53,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877016371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:53,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:53,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:42:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389704321] [2024-11-28 02:42:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:53,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:42:53,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:53,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:42:53,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:42:53,897 INFO L87 Difference]: Start difference. First operand has 130 states, 128 states have (on average 1.4921875) internal successors, (191), 129 states have internal predecessors, (191), 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 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-28 02:42:53,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:53,974 INFO L93 Difference]: Finished difference Result 177 states and 261 transitions. [2024-11-28 02:42:53,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:42:53,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2024-11-28 02:42:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:53,985 INFO L225 Difference]: With dead ends: 177 [2024-11-28 02:42:53,988 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 02:42:53,991 INFO L434 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 [2024-11-28 02:42:53,994 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:53,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:54,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 02:42:54,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-28 02:42:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.4765625) internal successors, (189), 128 states have internal predecessors, (189), 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) [2024-11-28 02:42:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 189 transitions. [2024-11-28 02:42:54,048 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 189 transitions. Word has length 55 [2024-11-28 02:42:54,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:54,049 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 189 transitions. [2024-11-28 02:42:54,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-28 02:42:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 189 transitions. [2024-11-28 02:42:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 02:42:54,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:54,053 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:54,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:42:54,054 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:54,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash 2139990115, now seen corresponding path program 1 times [2024-11-28 02:42:54,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:54,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162893476] [2024-11-28 02:42:54,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:54,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:54,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:54,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162893476] [2024-11-28 02:42:54,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162893476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:54,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:54,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:42:54,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726984503] [2024-11-28 02:42:54,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:54,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:42:54,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:54,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:42:54,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:42:54,436 INFO L87 Difference]: Start difference. First operand 129 states and 189 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-28 02:42:54,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:54,498 INFO L93 Difference]: Finished difference Result 178 states and 259 transitions. [2024-11-28 02:42:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:42:54,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2024-11-28 02:42:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:54,503 INFO L225 Difference]: With dead ends: 178 [2024-11-28 02:42:54,503 INFO L226 Difference]: Without dead ends: 131 [2024-11-28 02:42:54,503 INFO L434 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 [2024-11-28 02:42:54,504 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 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 [2024-11-28 02:42:54,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:54,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-28 02:42:54,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-28 02:42:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.4692307692307693) internal successors, (191), 130 states have internal predecessors, (191), 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) [2024-11-28 02:42:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 191 transitions. [2024-11-28 02:42:54,526 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 191 transitions. Word has length 56 [2024-11-28 02:42:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:54,526 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 191 transitions. [2024-11-28 02:42:54,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-28 02:42:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2024-11-28 02:42:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 02:42:54,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:54,531 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:54,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:42:54,531 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:54,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:54,532 INFO L85 PathProgramCache]: Analyzing trace with hash 817218508, now seen corresponding path program 1 times [2024-11-28 02:42:54,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:54,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847878226] [2024-11-28 02:42:54,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:55,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:55,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847878226] [2024-11-28 02:42:55,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847878226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:55,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:55,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:42:55,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610440760] [2024-11-28 02:42:55,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:55,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:42:55,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:55,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:42:55,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:42:55,150 INFO L87 Difference]: Start difference. First operand 131 states and 191 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-28 02:42:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:55,223 INFO L93 Difference]: Finished difference Result 178 states and 258 transitions. [2024-11-28 02:42:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:42:55,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2024-11-28 02:42:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:55,225 INFO L225 Difference]: With dead ends: 178 [2024-11-28 02:42:55,225 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 02:42:55,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:55,226 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 138 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 357 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 [2024-11-28 02:42:55,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 357 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:55,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 02:42:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-28 02:42:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.4609375) internal successors, (187), 128 states have internal predecessors, (187), 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) [2024-11-28 02:42:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2024-11-28 02:42:55,242 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 57 [2024-11-28 02:42:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:55,242 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2024-11-28 02:42:55,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-28 02:42:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2024-11-28 02:42:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 02:42:55,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:55,244 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:55,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:42:55,244 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:55,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1128515398, now seen corresponding path program 1 times [2024-11-28 02:42:55,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:55,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977199254] [2024-11-28 02:42:55,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:42:55,319 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:42:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:42:55,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:42:55,437 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:42:55,438 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:42:55,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:42:55,443 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 02:42:55,508 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:42:55,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:42:55 BoogieIcfgContainer [2024-11-28 02:42:55,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:42:55,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:42:55,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:42:55,514 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:42:55,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:52" (3/4) ... [2024-11-28 02:42:55,518 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:42:55,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:42:55,520 INFO L158 Benchmark]: Toolchain (without parser) took 5209.36ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 119.1MB in the beginning and 370.2MB in the end (delta: -251.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-28 02:42:55,521 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:55,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.17ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 100.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:42:55,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.43ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 88.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:42:55,522 INFO L158 Benchmark]: Boogie Preprocessor took 158.99ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 80.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:42:55,526 INFO L158 Benchmark]: RCFGBuilder took 1453.43ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 62.9MB in the end (delta: 18.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-28 02:42:55,526 INFO L158 Benchmark]: TraceAbstraction took 3008.19ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 62.3MB in the beginning and 370.2MB in the end (delta: -308.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:55,526 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 419.4MB. Free memory was 370.2MB in the beginning and 370.2MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:55,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.17ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 100.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.43ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 88.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.99ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 80.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1453.43ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 62.9MB in the end (delta: 18.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3008.19ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 62.3MB in the beginning and 370.2MB in the end (delta: -308.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 419.4MB. Free memory was 370.2MB in the beginning and 370.2MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 155. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_22 = 0; [L34] const SORT_5 var_31 = 1; [L35] const SORT_1 var_109 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_35; [L44] SORT_5 input_37; [L45] SORT_5 input_39; [L46] SORT_5 input_51; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L48] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L50] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L51] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L52] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L53] SORT_5 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L54] SORT_5 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L55] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L56] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L57] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L58] SORT_5 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L59] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L60] SORT_5 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L61] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L62] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L63] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L64] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L65] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L66] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L67] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 init_11_arg_1 = var_9; [L70] state_10 = init_11_arg_1 [L71] SORT_1 init_13_arg_1 = var_9; [L72] state_12 = init_13_arg_1 [L73] SORT_1 init_19_arg_1 = var_9; [L74] state_18 = init_19_arg_1 [L75] SORT_5 init_24_arg_1 = var_22; [L76] state_23 = init_24_arg_1 [L77] SORT_1 init_27_arg_1 = var_9; [L78] state_26 = init_27_arg_1 [L79] SORT_5 init_42_arg_1 = var_22; [L80] state_41 = init_42_arg_1 [L81] SORT_5 init_44_arg_1 = var_22; [L82] state_43 = init_44_arg_1 [L83] SORT_1 init_46_arg_1 = var_9; [L84] state_45 = init_46_arg_1 [L85] SORT_1 init_48_arg_1 = var_9; [L86] state_47 = init_48_arg_1 [L87] SORT_1 init_50_arg_1 = var_9; [L88] state_49 = init_50_arg_1 [L89] SORT_5 init_54_arg_1 = var_22; [L90] state_53 = init_54_arg_1 [L91] SORT_1 init_56_arg_1 = var_9; [L92] state_55 = init_56_arg_1 [L93] SORT_5 init_58_arg_1 = var_22; [L94] state_57 = init_58_arg_1 [L95] SORT_1 init_60_arg_1 = var_9; [L96] state_59 = init_60_arg_1 [L97] SORT_1 init_63_arg_1 = var_9; [L98] state_62 = init_63_arg_1 [L99] SORT_1 init_65_arg_1 = var_9; [L100] state_64 = init_65_arg_1 [L101] SORT_1 init_67_arg_1 = var_9; [L102] state_66 = init_67_arg_1 [L103] SORT_1 init_69_arg_1 = var_9; [L104] state_68 = init_69_arg_1 [L105] SORT_1 init_71_arg_1 = var_9; [L106] state_70 = init_71_arg_1 [L107] SORT_1 init_73_arg_1 = var_9; [L108] state_72 = init_73_arg_1 VAL [mask_SORT_1=255, mask_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L111] input_2 = __VERIFIER_nondet_uchar() [L112] input_3 = __VERIFIER_nondet_uchar() [L113] input_4 = __VERIFIER_nondet_uchar() [L114] input_6 = __VERIFIER_nondet_uchar() [L115] input_7 = __VERIFIER_nondet_uchar() [L116] input_8 = __VERIFIER_nondet_uchar() [L117] EXPR input_8 & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L117] input_8 = input_8 & mask_SORT_5 [L118] input_35 = __VERIFIER_nondet_uchar() [L119] input_37 = __VERIFIER_nondet_uchar() [L120] input_39 = __VERIFIER_nondet_uchar() [L121] input_51 = __VERIFIER_nondet_uchar() [L124] SORT_1 var_16_arg_0 = state_10; [L125] SORT_5 var_16 = var_16_arg_0 >> 0; VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_16=0, var_22=0, var_31=1, var_9=0] [L126] EXPR var_16 & mask_SORT_5 VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L126] var_16 = var_16 & mask_SORT_5 [L127] SORT_1 var_15_arg_0 = state_10; [L128] SORT_1 var_15_arg_1 = state_12; [L129] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L130] SORT_1 var_14_arg_0 = state_10; [L131] SORT_1 var_14_arg_1 = state_12; [L132] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L133] SORT_5 var_17_arg_0 = var_16; [L134] SORT_1 var_17_arg_1 = var_15; [L135] SORT_1 var_17_arg_2 = var_14; [L136] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L137] SORT_1 var_21_arg_0 = var_17; [L138] SORT_1 var_21_arg_1 = state_18; [L139] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L140] SORT_1 var_20_arg_0 = var_17; [L141] SORT_1 var_20_arg_1 = state_18; [L142] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L143] SORT_5 var_25_arg_0 = state_23; [L144] SORT_1 var_25_arg_1 = var_21; [L145] SORT_1 var_25_arg_2 = var_20; [L146] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_25=0, var_31=1, var_9=0] [L147] EXPR var_25 & mask_SORT_1 VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L147] var_25 = var_25 & mask_SORT_1 [L148] SORT_1 var_28_arg_0 = var_25; [L149] SORT_1 var_28_arg_1 = state_26; [L150] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L151] SORT_5 var_32_arg_0 = var_28; [L152] SORT_5 var_32 = ~var_32_arg_0; [L153] SORT_5 var_33_arg_0 = var_31; [L154] SORT_5 var_33_arg_1 = var_32; VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_33_arg_0=1, var_33_arg_1=-2, var_9=0] [L155] EXPR var_33_arg_0 & var_33_arg_1 VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L155] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L156] EXPR var_33 & mask_SORT_5 VAL [input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L156] var_33 = var_33 & mask_SORT_5 [L157] SORT_5 bad_34_arg_0 = var_33; [L158] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 130 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 1451 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 902 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 549 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 284 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:42:55,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB --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 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:42:58,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:42:58,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 02:42:58,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:42:58,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:42:58,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:42:58,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:42:58,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:42:58,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:42:58,283 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:42:58,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:42:58,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:42:58,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:42:58,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:42:58,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:42:58,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:42:58,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:42:58,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:42:58,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:42:58,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:42:58,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:42:58,286 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:42:58,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:58,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:58,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:58,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:58,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:42:58,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:58,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:58,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:58,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:58,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:42:58,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:42:58,288 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:42:58,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:42:58,289 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:42:58,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:42:58,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:42:58,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:42:58,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:42:58,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:42:58,290 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb [2024-11-28 02:42:58,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:42:58,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:42:58,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:42:58,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:42:58,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:42:58,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2024-11-28 02:43:01,597 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/246616d05/5971cdc2d6604047a5c1664df9e8571b/FLAGd0051a1db [2024-11-28 02:43:01,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:43:01,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2024-11-28 02:43:01,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/246616d05/5971cdc2d6604047a5c1664df9e8571b/FLAGd0051a1db [2024-11-28 02:43:01,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/data/246616d05/5971cdc2d6604047a5c1664df9e8571b [2024-11-28 02:43:01,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:43:01,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:43:01,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:01,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:43:01,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:43:01,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:01" (1/1) ... [2024-11-28 02:43:01,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf90bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:01, skipping insertion in model container [2024-11-28 02:43:01,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:01" (1/1) ... [2024-11-28 02:43:01,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:43:02,142 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2024-11-28 02:43:02,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:02,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:43:02,308 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_e60d23e4-5887-4e2f-892f-3d817ed07f70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2024-11-28 02:43:02,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:02,395 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:43:02,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02 WrapperNode [2024-11-28 02:43:02,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:02,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:02,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:43:02,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:43:02,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,465 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 358 [2024-11-28 02:43:02,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:02,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:43:02,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:43:02,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:43:02,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,512 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]. [2024-11-28 02:43:02,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:43:02,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:43:02,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:43:02,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:43:02,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (1/1) ... [2024-11-28 02:43:02,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:02,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:02,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:43:02,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:43:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:43:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:43:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:43:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:43:02,773 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:43:02,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:43:03,232 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-28 02:43:03,236 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:43:03,246 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:43:03,247 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:43:03,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:03 BoogieIcfgContainer [2024-11-28 02:43:03,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:43:03,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:43:03,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:43:03,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:43:03,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:43:01" (1/3) ... [2024-11-28 02:43:03,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556f6fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:03, skipping insertion in model container [2024-11-28 02:43:03,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:02" (2/3) ... [2024-11-28 02:43:03,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556f6fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:03, skipping insertion in model container [2024-11-28 02:43:03,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:03" (3/3) ... [2024-11-28 02:43:03,263 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v6.c [2024-11-28 02:43:03,277 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:43:03,280 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.eq_sdp_v6.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:43:03,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:43:03,352 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;@79b0b99a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:43:03,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:43:03,358 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) [2024-11-28 02:43:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 02:43:03,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:03,363 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 02:43:03,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:03,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:03,367 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 02:43:03,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:43:03,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817622111] [2024-11-28 02:43:03,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:03,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:03,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:03,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:03,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:43:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:03,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 02:43:03,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:04,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:43:04,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:43:04,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817622111] [2024-11-28 02:43:04,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817622111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:04,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:04,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:43:04,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197455239] [2024-11-28 02:43:04,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:04,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:43:04,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:43:04,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:43:04,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:43:04,065 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) [2024-11-28 02:43:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:04,120 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-28 02:43:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:43:04,124 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 [2024-11-28 02:43:04,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:04,130 INFO L225 Difference]: With dead ends: 17 [2024-11-28 02:43:04,131 INFO L226 Difference]: Without dead ends: 9 [2024-11-28 02:43:04,133 INFO L434 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 [2024-11-28 02:43:04,136 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:04,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:43:04,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-28 02:43:04,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-28 02:43:04,162 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) [2024-11-28 02:43:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 02:43:04,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 02:43:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:04,170 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 02:43:04,170 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) [2024-11-28 02:43:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 02:43:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 02:43:04,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:04,172 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:04,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:43:04,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:04,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:04,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:04,377 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 02:43:04,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:43:04,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871218504] [2024-11-28 02:43:04,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:04,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:04,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:04,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:04,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:43:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:04,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-28 02:43:04,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:05,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:13,075 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse44 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_64~0#1|)))) (.cse39 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_22~0#1|))) .cse44)))) (.cse32 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_9~0#1|))))) (let ((.cse9 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_43~0#1|))))))) (.cse40 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse32)) .cse44)) (_ bv0 8))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_10|)))) .cse44)) (_ bv0 8)))) (.cse38 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_10|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse46)))))))) (.cse37 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse45 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_10|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse45))))))) (.cse31 (not .cse39)) (.cse36 (bvneg .cse32)) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_10|)))) .cse44))))) (.cse17 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) ((_ extract 7 0) .cse43)))))) (.cse15 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_72~0#1|)))))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse43 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))))))))))))))) (.cse1 (not .cse17)) (.cse12 (or .cse40 (and (or .cse2 (and (or .cse38 .cse39) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse41 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse36 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10|)))))))) .cse41))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse41))))))) .cse31))) (or (and (or .cse37 .cse39) (or .cse31 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse42 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse36 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10|)))))))) .cse42))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse42)))))))) .cse7)))) (.cse13 (or (and (or .cse31 (let ((.cse34 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse36 .cse32))))) .cse36))))))) (and (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse33 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse33))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 .cse33)))))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse35))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 .cse35)))))) .cse7)))) (or (and (or .cse7 .cse37) (or .cse2 .cse38)) .cse39)) (not .cse40))) (.cse8 (not .cse9)) (.cse21 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_59~0#1|)) (.cse20 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|)) (.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_57~0#1|))) (and (or .cse0 (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse20 .cse21))))))))) (let ((.cse11 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_10|)))))))))) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse18))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_10|)))))))))))) (and (or .cse1 (and (or (and (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse4)))))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse6)))))) .cse7)) .cse8) (or .cse9 (and (or .cse2 .cse10) (or .cse11 .cse7))))) .cse12 .cse13 (or (and (or (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse14))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10|)))))))))))))) .cse8) (or .cse9 .cse11)) .cse7) (or (and (or .cse9 .cse10) (or .cse8 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10|))))))))))))))))) .cse2)) .cse17))))) (or (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 (bvneg .cse20)))))))))) (let ((.cse26 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_10|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse30)))))))) (.cse25 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_10|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse29)))))))) (and (or (and (or (and (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse23))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse23)))))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse24))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse24)))))) .cse7)) .cse8) (or (and (or .cse7 .cse25) (or .cse2 .cse26)) .cse9)) .cse1) .cse12 .cse13 (or (and (or .cse2 (and (or .cse9 .cse26) (or .cse8 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse27)))))))))) (or .cse7 (and (or .cse9 .cse25) (or .cse8 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse28 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse28)))))))))) .cse17)))) (not .cse0))))))) is different from false [2024-11-28 02:43:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-28 02:43:28,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:43:28,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871218504] [2024-11-28 02:43:28,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871218504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:43:28,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:43:28,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 02:43:28,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291175520] [2024-11-28 02:43:28,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:28,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:43:28,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:43:28,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:43:28,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=53, Unknown=1, NotChecked=14, Total=90 [2024-11-28 02:43:28,172 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:30,419 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-28 02:43:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:43:30,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-28 02:43:30,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:30,420 INFO L225 Difference]: With dead ends: 14 [2024-11-28 02:43:30,420 INFO L226 Difference]: Without dead ends: 12 [2024-11-28 02:43:30,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=35, Invalid=78, Unknown=1, NotChecked=18, Total=132 [2024-11-28 02:43:30,421 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:30,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 6 Unchecked, 0.6s Time] [2024-11-28 02:43:30,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-28 02:43:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-28 02:43:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-11-28 02:43:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-28 02:43:30,427 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-28 02:43:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:30,427 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-28 02:43:30,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-28 02:43:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 02:43:30,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:30,428 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-28 02:43:30,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:43:30,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:30,629 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:30,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:30,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-28 02:43:30,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:43:30,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290680135] [2024-11-28 02:43:30,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:43:30,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:30,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:30,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:30,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:43:30,810 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:43:30,810 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:43:30,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-28 02:43:30,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:39,603 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:45:32,019 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse82 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_9~0#1|))))) (let ((.cse85 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_45~0#1|)) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_109~0#1|)) (.cse90 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse95 (bvneg .cse82))) (let ((.cse84 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse95 .cse82)))))) (.cse83 ((_ zero_extend 24) ((_ extract 7 0) .cse82))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_16|) (_ bv255 32)))) .cse90)) (_ bv0 8)))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse85 .cse8)))) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_16|) (_ bv254 32)))) .cse90)))))) (let ((.cse66 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse103 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse103))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse103)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse103 .cse7))) .cse8)))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse104 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse104))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse104))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse104 .cse7))) .cse8))))) .cse10))) (.cse33 (= ((_ extract 7 0) (bvand .cse83 .cse90)) (_ bv0 8))) (.cse79 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse101 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse101))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse101))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse101 .cse7))) .cse8)))) .cse10) (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse102 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse102))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse102)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse102 .cse7))) .cse8))))))) (.cse71 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_22~0#1|))) .cse90)))) (.cse92 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse84 .cse95)))))) (.cse88 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_62~0#1|))))))) (let ((.cse23 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse83)) .cse90)))) (.cse26 (bvneg .cse83)) (.cse32 (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse99 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse99 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse95 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse99))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse99 .cse7))) .cse8)))) .cse10) (or .cse3 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse100 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse100 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse95 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse100)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse100 .cse7))) .cse8))))))) (.cse14 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_70~0#1|))))))) (.cse17 (= ((_ extract 7 0) (bvand .cse90 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_41~0#1|))))))) (_ bv0 8))) (.cse13 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse90 ((_ zero_extend 24) ((_ extract 7 0) .cse88)))))) (.cse35 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse97 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse97))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse92 .cse97))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse97 .cse7))) .cse8)))) .cse10) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse98 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse98))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse92 .cse98)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse98 .cse7))) .cse8)))) .cse3))) (.cse87 (or .cse79 .cse71)) (.cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_49~0#1|)))) (.cse86 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_47~0#1|)) (.cse74 (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse94 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse94 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse95 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse94)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse94 .cse7))) .cse8))))) .cse3) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse96 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse96 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse95 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse96))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse96 .cse7))) .cse8))))) .cse10))) (.cse34 (not .cse33)) (.cse77 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse91 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse91))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse92 .cse91)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse91 .cse7))) .cse8)))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse93 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse93))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse92 .cse93))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse93 .cse7))) .cse8))))) .cse10))) (.cse36 (not .cse71)) (.cse89 (or .cse66 .cse71)) (.cse22 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_53~0#1|))) .cse90))))) (let ((.cse49 (not .cse22)) (.cse0 (or .cse34 (and (or .cse77 .cse36) .cse89))) (.cse1 (or .cse33 (and (or .cse74 .cse36) .cse89))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse85 .cse86)))))))) (.cse48 (bvneg .cse21)) (.cse37 (or (and (or .cse35 .cse36) .cse87) .cse34)) (.cse12 (not .cse13)) (.cse2 (not .cse17)) (.cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_66~0#1|)))))) .cse88))))) .cse14)))))) (.cse44 (or .cse33 (and (or .cse32 .cse36) .cse87))) (.cse47 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse85 (bvneg .cse86))))))))) (.cse24 ((_ zero_extend 24) ((_ extract 7 0) .cse84))) (.cse30 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse83 .cse26))))) .cse26)))))) (.cse28 (not .cse23)) (.cse69 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvmul (_ bv2 32) .cse82))))))))) (and (or (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse20 .cse21))))))))) (let ((.cse11 (or .cse17 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse18))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse18)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 .cse7))) .cse8))))) .cse3) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse19))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 .cse7))) .cse8))))) .cse10))))) (and .cse0 .cse1 (or (and (or .cse2 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse5 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse5))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse5)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse7))) .cse8)))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 .cse7))) .cse8)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse9))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse9)))))))) .cse10))) .cse11) .cse12) (or .cse13 (and .cse11 (or .cse2 (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse15))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse15))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 .cse7))) .cse8))))) .cse10) (or .cse3 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse16)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse7))) .cse8))))))))))))) .cse22) (or (and (or .cse23 (and (or .cse10 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse25 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse25))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))) .cse26))))) .cse25))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 .cse7))) .cse8))))) (or .cse3 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse27))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))) .cse26))))) .cse27)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse7))) .cse8))))))) (or .cse28 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse7))) .cse8) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse29))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse30)))))))) .cse10) (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse31))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse31 .cse30)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse31 .cse7))) .cse8))))))) (or .cse32 .cse33) (or .cse34 .cse35)) .cse36) (or (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse47 .cse48))))))))) (let ((.cse38 (or .cse17 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse45 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse45))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse45))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse45 .cse7))) .cse8)))) .cse10) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse46))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse46)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 .cse7))) .cse8)))) .cse3))))) (and .cse37 (or .cse13 (and .cse38 (or .cse2 (and (or .cse3 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse39 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse39))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse39)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse39 .cse7))) .cse8))))) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse41 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse41))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse41))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse41 .cse7))) .cse8)))) .cse10))))) (or .cse12 (and .cse38 (or .cse2 (and (or .cse10 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse42 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse42))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse42))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 .cse7))) .cse8))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse43 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse43))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse43)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse43 .cse7))) .cse8)))) .cse3))))) .cse44))) .cse49) (or .cse49 (let ((.cse52 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse20 .cse48))))))))) (let ((.cse50 (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse56 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse56))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse56))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse56 .cse7))) .cse8))))) .cse10) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse57 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse57)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse57 .cse7))) .cse8))))) .cse3)) .cse17))) (and (or .cse13 (and .cse50 (or .cse2 (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse51 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse51))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse51))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 .cse7))) .cse8))))) .cse10) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse53 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse53))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse53)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse53 .cse7))) .cse8))))) .cse3))))) .cse0 (or (and (or .cse2 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse54 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse54))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse54)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse54 .cse7))) .cse8))))) .cse3) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse55 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse55))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse55))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 .cse7))) .cse8))))) .cse10))) .cse50) .cse12) .cse1)))) (or (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 .cse47))))))))) (let ((.cse61 (or (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse64 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 .cse64))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse64)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse64 .cse7))) .cse8))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse65 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 .cse65))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse65))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse65 .cse7))) .cse8)))) .cse10)) .cse17))) (and (or (and (or .cse2 (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse58 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse58))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 .cse58))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse58 .cse7))) .cse8)))) .cse10) (or .cse3 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse60 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|)))))))) .cse60))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 .cse60)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 .cse7))) .cse8))))))) .cse61) .cse13) .cse37 (or .cse12 (and (or .cse2 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse62 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse62))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 .cse62)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse62 .cse7))) .cse8))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse63 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse63 .cse7))) .cse8) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse63))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 .cse63)))))))) .cse10))) .cse61)) .cse44))) .cse22) (or (let ((.cse67 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse68 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse68 .cse7))) .cse8)) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse69 .cse68))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse68)))))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse70 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse69 .cse70))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse70))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse70 .cse7))) .cse8))))) .cse10)))) (and (or .cse34 .cse66) (or .cse33 .cse66) (or .cse23 .cse67) (or .cse67 .cse28))) .cse71) (or (and (or .cse23 (and (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse72 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse72))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))) .cse26))))) .cse72)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse72 .cse7))) .cse8))))) .cse3) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse73 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse73))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_16|))) .cse26))))) .cse73))))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse73 .cse7))) .cse8))))) .cse10))) (or .cse33 .cse74) (or .cse28 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse75 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse75))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse75 .cse30)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse75 .cse7))) .cse8)))))) (or .cse10 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse76 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse76 .cse7))) .cse8)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse76))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse76 .cse30))))))))))) (or .cse77 .cse34)) .cse36) (or (let ((.cse78 (and (or .cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse80 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse80 .cse7))) .cse8) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse69 .cse80))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse80)))))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse81 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse69 .cse81))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_16|))) .cse81))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse7))) .cse8)))) .cse10)))) (and (or .cse23 .cse78) (or .cse28 .cse78) (or .cse79 .cse33) (or .cse79 .cse34))) .cse71)))))))) is different from false [2024-11-28 02:46:06,247 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-28 02:46:06,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-28 02:46:06,248 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:06,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290680135] [2024-11-28 02:46:06,248 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-28 02:46:06,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:46:06,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:06,450 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:555) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-28 02:46:06,454 INFO L158 Benchmark]: Toolchain (without parser) took 184521.93ms. Allocated memory was 109.1MB in the beginning and 335.5MB in the end (delta: 226.5MB). Free memory was 85.1MB in the beginning and 236.0MB in the end (delta: -151.0MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2024-11-28 02:46:06,454 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:06,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.10ms. Allocated memory is still 109.1MB. Free memory was 84.9MB in the beginning and 67.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:46:06,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.01ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:06,455 INFO L158 Benchmark]: Boogie Preprocessor took 82.99ms. Allocated memory is still 109.1MB. Free memory was 64.5MB in the beginning and 61.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:06,456 INFO L158 Benchmark]: RCFGBuilder took 697.49ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 74.0MB in the end (delta: -12.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-28 02:46:06,456 INFO L158 Benchmark]: TraceAbstraction took 183203.27ms. Allocated memory was 109.1MB in the beginning and 335.5MB in the end (delta: 226.5MB). Free memory was 73.4MB in the beginning and 236.0MB in the end (delta: -162.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-28 02:46:06,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.10ms. Allocated memory is still 109.1MB. Free memory was 84.9MB in the beginning and 67.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.01ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 82.99ms. Allocated memory is still 109.1MB. Free memory was 64.5MB in the beginning and 61.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 697.49ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 74.0MB in the end (delta: -12.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * TraceAbstraction took 183203.27ms. Allocated memory was 109.1MB in the beginning and 335.5MB in the end (delta: 226.5MB). Free memory was 73.4MB in the beginning and 236.0MB in the end (delta: -162.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60d23e4-5887-4e2f-892f-3d817ed07f70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")