./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya --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 caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:01:19,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:01:19,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 01:01:19,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:01:19,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:01:19,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:01:19,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:01:19,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:01:19,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:01:19,214 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:01:19,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:01:19,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:01:19,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:01:19,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:01:19,217 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:01:19,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:01:19,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:01:19,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:01:19,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:01:19,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:01:19,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:01:19,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:01:19,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:01:19,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:01:19,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:01:19,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:01:19,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:01:19,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:01:19,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:01:19,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:01:19,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:01:19,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:01:19,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:01:19,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:01:19,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:01:19,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:01:19,227 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:01:19,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:01:19,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:01:19,227 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-11-29 01:01:19,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:01:19,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:01:19,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:01:19,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:01:19,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:01:19,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-29 01:01:22,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:01:22,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:01:22,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-29 01:01:22,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data/da266b827/8f0d4fb90b4340de88b13a5d155a8dff/FLAGac1788bab [2023-11-29 01:01:22,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data/da266b827/8f0d4fb90b4340de88b13a5d155a8dff [2023-11-29 01:01:22,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:01:22,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:01:22,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:01:22,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:01:22,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:01:22,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:01:22" (1/1) ... [2023-11-29 01:01:22,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef0801f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:22, skipping insertion in model container [2023-11-29 01:01:22,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:01:22" (1/1) ... [2023-11-29 01:01:22,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:01:22,991 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-29 01:01:23,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:01:23,091 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:01:23,102 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-29 01:01:23,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:01:23,174 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:01:23,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23 WrapperNode [2023-11-29 01:01:23,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:01:23,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:01:23,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:01:23,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:01:23,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,274 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 462 [2023-11-29 01:01:23,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:01:23,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:01:23,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:01:23,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:01:23,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,332 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]. [2023-11-29 01:01:23,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:01:23,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:01:23,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:01:23,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:01:23,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (1/1) ... [2023-11-29 01:01:23,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:01:23,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:01:23,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:01:23,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:01:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:01:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:01:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:01:23,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:01:23,568 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:01:23,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:01:24,202 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:01:24,236 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:01:24,236 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:01:24,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:01:24 BoogieIcfgContainer [2023-11-29 01:01:24,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:01:24,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:01:24,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:01:24,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:01:24,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:01:22" (1/3) ... [2023-11-29 01:01:24,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa46e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:01:24, skipping insertion in model container [2023-11-29 01:01:24,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:23" (2/3) ... [2023-11-29 01:01:24,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa46e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:01:24, skipping insertion in model container [2023-11-29 01:01:24,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:01:24" (3/3) ... [2023-11-29 01:01:24,247 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c [2023-11-29 01:01:24,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:01:24,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:01:24,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:01:24,327 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5668c6cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:01:24,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:01:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 01:01:24,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:24,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:01:24,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:24,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1027011683, now seen corresponding path program 1 times [2023-11-29 01:01:24,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:01:24,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974342578] [2023-11-29 01:01:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:01:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:01:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:01:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:24,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:01:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974342578] [2023-11-29 01:01:24,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974342578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:01:24,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:01:24,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:01:24,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120525896] [2023-11-29 01:01:24,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:01:24,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:01:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:01:24,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:01:24,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:01:24,900 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:24,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:01:24,952 INFO L93 Difference]: Finished difference Result 105 states and 171 transitions. [2023-11-29 01:01:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:01:24,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-29 01:01:24,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:01:24,962 INFO L225 Difference]: With dead ends: 105 [2023-11-29 01:01:24,962 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 01:01:24,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:01:24,969 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:01:24,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 319 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:01:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 01:01:25,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 01:01:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.6142857142857143) internal successors, (113), 70 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 113 transitions. [2023-11-29 01:01:25,005 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 113 transitions. Word has length 38 [2023-11-29 01:01:25,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:01:25,006 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 113 transitions. [2023-11-29 01:01:25,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-29 01:01:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 01:01:25,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:25,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:01:25,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:01:25,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:25,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:25,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1774316253, now seen corresponding path program 1 times [2023-11-29 01:01:25,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:01:25,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812988887] [2023-11-29 01:01:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:01:25,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:01:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:01:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:25,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:01:25,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812988887] [2023-11-29 01:01:25,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812988887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:01:25,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:01:25,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:01:25,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500010681] [2023-11-29 01:01:25,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:01:25,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:01:25,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:01:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:01:25,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:01:25,151 INFO L87 Difference]: Start difference. First operand 71 states and 113 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:01:25,191 INFO L93 Difference]: Finished difference Result 108 states and 169 transitions. [2023-11-29 01:01:25,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:01:25,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-29 01:01:25,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:01:25,194 INFO L225 Difference]: With dead ends: 108 [2023-11-29 01:01:25,194 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 01:01:25,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:01:25,197 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 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 [2023-11-29 01:01:25,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:01:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 01:01:25,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2023-11-29 01:01:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5972222222222223) internal successors, (115), 72 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2023-11-29 01:01:25,210 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 39 [2023-11-29 01:01:25,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:01:25,210 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2023-11-29 01:01:25,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2023-11-29 01:01:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 01:01:25,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:25,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:01:25,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:01:25,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:25,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:25,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1041203267, now seen corresponding path program 1 times [2023-11-29 01:01:25,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:01:25,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848243565] [2023-11-29 01:01:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:01:25,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:01:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:01:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:25,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:01:25,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848243565] [2023-11-29 01:01:25,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848243565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:01:25,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:01:25,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:01:25,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965970580] [2023-11-29 01:01:25,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:01:25,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:01:25,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:01:25,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:01:25,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:01:25,488 INFO L87 Difference]: Start difference. First operand 73 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:01:25,545 INFO L93 Difference]: Finished difference Result 117 states and 183 transitions. [2023-11-29 01:01:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:01:25,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-11-29 01:01:25,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:01:25,548 INFO L225 Difference]: With dead ends: 117 [2023-11-29 01:01:25,548 INFO L226 Difference]: Without dead ends: 81 [2023-11-29 01:01:25,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:01:25,550 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 171 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:01:25,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 193 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:01:25,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-29 01:01:25,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2023-11-29 01:01:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5857142857142856) internal successors, (111), 70 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-29 01:01:25,562 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 40 [2023-11-29 01:01:25,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:01:25,562 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-29 01:01:25,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-29 01:01:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 01:01:25,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:25,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:01:25,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:01:25,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:25,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:25,566 INFO L85 PathProgramCache]: Analyzing trace with hash 733804095, now seen corresponding path program 1 times [2023-11-29 01:01:25,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:01:25,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380772833] [2023-11-29 01:01:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:01:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:01:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:01:25,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:01:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:01:25,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:01:25,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:01:25,650 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:01:25,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:01:25,654 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 01:01:25,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:01:25,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 01:01:25,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 01:01:25,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 01:01:25,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 01:01:25,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 01:01:25,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 01:01:25,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 01:01:25,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-29 01:01:25,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-29 01:01:25,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-29 01:01:25,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 01:01:25,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-29 01:01:25,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 01:01:25,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-29 01:01:25,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 01:01:25,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 01:01:25,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 01:01:25,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 01:01:25,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 01:01:25,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-29 01:01:25,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-29 01:01:25,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-29 01:01:25,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 01:01:25,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-29 01:01:25,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-29 01:01:25,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-29 01:01:25,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-11-29 01:01:25,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-29 01:01:25,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated [2023-11-29 01:01:25,706 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 01:01:25,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:01:25 BoogieIcfgContainer [2023-11-29 01:01:25,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:01:25,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:01:25,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:01:25,721 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:01:25,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:01:24" (3/4) ... [2023-11-29 01:01:25,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:01:25,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:01:25,726 INFO L158 Benchmark]: Toolchain (without parser) took 2922.12ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 108.6MB in the beginning and 137.7MB in the end (delta: -29.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-29 01:01:25,726 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:01:25,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.63ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 92.2MB in the end (delta: 16.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 01:01:25,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.69ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 83.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 01:01:25,728 INFO L158 Benchmark]: Boogie Preprocessor took 102.83ms. Allocated memory is still 146.8MB. Free memory was 83.1MB in the beginning and 77.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:01:25,728 INFO L158 Benchmark]: RCFGBuilder took 858.56ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 77.2MB in the beginning and 132.5MB in the end (delta: -55.3MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-29 01:01:25,729 INFO L158 Benchmark]: TraceAbstraction took 1480.13ms. Allocated memory is still 192.9MB. Free memory was 131.5MB in the beginning and 137.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:01:25,729 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 192.9MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:01:25,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.63ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 92.2MB in the end (delta: 16.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.69ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 83.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.83ms. Allocated memory is still 146.8MB. Free memory was 83.1MB in the beginning and 77.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 858.56ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 77.2MB in the beginning and 132.5MB in the end (delta: -55.3MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1480.13ms. Allocated memory is still 192.9MB. Free memory was 131.5MB in the beginning and 137.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 192.9MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 102. 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_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, var_10=0, var_18=1, var_28=0] [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, var_10=0, var_18=1, var_28=0] [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, var_10=0, var_18=1, var_28=0] [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, var_10=0, var_18=1, var_28=0] [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, var_10=0, var_18=1, var_28=0] [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, var_10=0, var_18=1, var_28=0] [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, var_10=0, var_18=1, var_28=0] [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, var_10=0, var_18=1, var_28=0] [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, var_10=0, var_18=1, var_28=0] [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, var_10=0, var_18=1, var_28=0] [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, var_10=0, var_18=1, var_28=0] [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, var_10=0, var_18=1, var_28=0] [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L102] EXPR var_20_arg_0 & var_20_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 829 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 334 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 01:01:25,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya --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 caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:01:27,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:01:27,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 01:01:27,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:01:27,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:01:28,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:01:28,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:01:28,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:01:28,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:01:28,030 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:01:28,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:01:28,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:01:28,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:01:28,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:01:28,034 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:01:28,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:01:28,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:01:28,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:01:28,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:01:28,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:01:28,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:01:28,039 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:01:28,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:01:28,040 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:01:28,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:01:28,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:01:28,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:01:28,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:01:28,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:01:28,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:01:28,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:01:28,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:01:28,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:01:28,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:01:28,046 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:01:28,046 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:01:28,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:01:28,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:01:28,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:01:28,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:01:28,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:01:28,048 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:01:28,048 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-11-29 01:01:28,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:01:28,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:01:28,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:01:28,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:01:28,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:01:28,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-29 01:01:31,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:01:31,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:01:31,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-29 01:01:31,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data/830e31824/923fc92c8b9f49aca3a2ebb8b686c8d9/FLAGd8ae94005 [2023-11-29 01:01:31,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/data/830e31824/923fc92c8b9f49aca3a2ebb8b686c8d9 [2023-11-29 01:01:31,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:01:31,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:01:31,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:01:31,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:01:31,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:01:31,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:01:31" (1/1) ... [2023-11-29 01:01:31,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61054215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:31, skipping insertion in model container [2023-11-29 01:01:31,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:01:31" (1/1) ... [2023-11-29 01:01:31,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:01:31,900 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-29 01:01:31,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:01:31,993 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:01:32,005 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-29 01:01:32,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:01:32,069 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:01:32,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32 WrapperNode [2023-11-29 01:01:32,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:01:32,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:01:32,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:01:32,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:01:32,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,128 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2023-11-29 01:01:32,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:01:32,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:01:32,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:01:32,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:01:32,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,192 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]. [2023-11-29 01:01:32,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:01:32,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:01:32,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:01:32,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:01:32,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (1/1) ... [2023-11-29 01:01:32,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:01:32,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:01:32,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:01:32,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:01:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:01:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:01:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:01:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:01:32,440 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:01:32,442 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:01:32,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:01:32,775 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:01:32,775 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:01:32,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:01:32 BoogieIcfgContainer [2023-11-29 01:01:32,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:01:32,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:01:32,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:01:32,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:01:32,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:01:31" (1/3) ... [2023-11-29 01:01:32,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2a7d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:01:32, skipping insertion in model container [2023-11-29 01:01:32,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:01:32" (2/3) ... [2023-11-29 01:01:32,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2a7d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:01:32, skipping insertion in model container [2023-11-29 01:01:32,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:01:32" (3/3) ... [2023-11-29 01:01:32,787 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c [2023-11-29 01:01:32,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:01:32,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:01:32,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:01:32,866 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@771b3611, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:01:32,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:01:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 01:01:32,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:32,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 01:01:32,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:32,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-29 01:01:32,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:01:32,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138476392] [2023-11-29 01:01:32,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:01:32,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:01:32,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:01:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 01:01:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:01:33,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 01:01:33,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:01:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:33,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:01:33,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:01:33,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138476392] [2023-11-29 01:01:33,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138476392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:01:33,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:01:33,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:01:33,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346645627] [2023-11-29 01:01:33,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:01:33,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:01:33,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:01:33,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:01:33,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:01:33,286 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:33,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:01:33,361 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-29 01:01:33,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:01:33,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-29 01:01:33,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:01:33,373 INFO L225 Difference]: With dead ends: 16 [2023-11-29 01:01:33,373 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 01:01:33,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:01:33,381 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 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 [2023-11-29 01:01:33,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:01:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 01:01:33,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-29 01:01:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 01:01:33,418 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 01:01:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:01:33,419 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 01:01:33,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 01:01:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 01:01:33,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:33,421 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-29 01:01:33,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:01:33,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:33,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:33,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-29 01:01:33,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:01:33,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138986870] [2023-11-29 01:01:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:01:33,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:33,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:01:33,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:01:33,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 01:01:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:01:33,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-29 01:01:33,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:01:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:34,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:01:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:35,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:01:35,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138986870] [2023-11-29 01:01:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138986870] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:01:35,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:01:35,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 01:01:35,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785771440] [2023-11-29 01:01:35,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:01:35,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:01:35,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:01:35,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:01:35,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:01:35,648 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:35,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:01:35,872 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 01:01:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:01:35,873 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 01:01:35,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:01:35,873 INFO L225 Difference]: With dead ends: 14 [2023-11-29 01:01:35,873 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 01:01:35,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:01:35,876 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:01:35,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:01:35,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 01:01:35,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-29 01:01:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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) [2023-11-29 01:01:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 01:01:35,881 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-29 01:01:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:01:35,881 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 01:01:35,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 01:01:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 01:01:35,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:35,883 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-29 01:01:35,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 01:01:36,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:36,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:36,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-29 01:01:36,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:01:36,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490626375] [2023-11-29 01:01:36,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:01:36,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:01:36,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:01:36,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 01:01:36,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:01:36,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:01:36,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-29 01:01:36,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:01:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:37,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:01:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:41,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:01:41,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490626375] [2023-11-29 01:01:41,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490626375] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:01:41,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:01:41,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 01:01:41,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515665828] [2023-11-29 01:01:41,603 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:01:41,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:01:41,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:01:41,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:01:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:01:41,605 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:01:41,916 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-29 01:01:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:01:41,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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 10 [2023-11-29 01:01:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:01:41,917 INFO L225 Difference]: With dead ends: 17 [2023-11-29 01:01:41,917 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 01:01:41,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:01:41,919 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:01:41,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:01:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 01:01:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-29 01:01:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 01:01:41,925 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-29 01:01:41,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:01:41,926 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 01:01:41,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:01:41,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 01:01:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 01:01:41,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:01:41,927 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-29 01:01:41,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-29 01:01:42,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:42,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:01:42,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:01:42,129 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-11-29 01:01:42,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:01:42,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796994247] [2023-11-29 01:01:42,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:01:42,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:01:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:01:42,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:01:42,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 01:01:42,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 01:01:42,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:01:42,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-29 01:01:42,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:01:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:01:47,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:02:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:02:27,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:02:27,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796994247] [2023-11-29 01:02:27,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796994247] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:02:27,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:02:27,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-11-29 01:02:27,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339646996] [2023-11-29 01:02:27,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:02:27,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 01:02:27,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:02:27,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 01:02:27,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=250, Unknown=4, NotChecked=0, Total=306 [2023-11-29 01:02:27,700 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:02:31,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 01:02:32,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:02:36,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:02:42,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:02:42,112 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 01:02:42,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:02:42,115 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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 13 [2023-11-29 01:02:42,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:02:42,115 INFO L225 Difference]: With dead ends: 14 [2023-11-29 01:02:42,115 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:02:42,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 30.6s TimeCoverageRelationStatistics Valid=100, Invalid=315, Unknown=5, NotChecked=0, Total=420 [2023-11-29 01:02:42,117 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:02:42,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-29 01:02:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:02:42,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:02:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:02:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:02:42,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-29 01:02:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:02:42,120 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:02:42,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:02:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:02:42,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:02:42,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:02:42,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 01:02:42,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:02:42,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:04:55,650 WARN L293 SmtUtils]: Spent 2.22m on a formula simplification. DAG size of input: 296 DAG size of output: 204 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 01:04:55,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:04:55,654 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-29 01:04:55,654 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-29 01:04:55,654 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-29 01:04:55,657 INFO L895 garLoopResultBuilder]: At program point L81-2(lines 81 230) the Hoare annotation is: (let ((.cse16 (= (_ bv0 8) |ULTIMATE.start_main_~state_29~0#1|)) (.cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_31~0#1|)) (.cse17 (= (_ bv0 8) |ULTIMATE.start_main_~state_35~0#1|))) (let ((.cse0 (or (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse35 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse34 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse33))) |ULTIMATE.start_main_~state_33~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ 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 .cse34 (bvneg .cse35)))))) (bvneg .cse33))))))))) |ULTIMATE.start_main_~state_42~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse35))) ((_ zero_extend 24) ((_ extract 7 0) .cse34)))))))) |ULTIMATE.start_main_~state_37~0#1|)))) .cse17) (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse37 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse36))) |ULTIMATE.start_main_~state_33~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse37))) ((_ zero_extend 24) ((_ extract 7 0) .cse38)))))))) |ULTIMATE.start_main_~state_37~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ 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 .cse38 (bvneg .cse37)))))) .cse36)))))))) |ULTIMATE.start_main_~state_42~0#1|)))) (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_27| (_ BitVec 8))) (let ((.cse39 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_27|) (_ bv1 32))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse39))))) (_ bv1 32))) |ULTIMATE.start_main_~state_35~0#1|) (not (= .cse39 (_ bv0 8))))))))) (.cse1 (exists ((|v_ULTIMATE.start_main_#t~nondet22#1_30| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet22#1_30|) (_ bv1 32))) |ULTIMATE.start_main_~input_9~0#1|))) (.cse6 (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_27| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_27|) (_ bv1 32))) |ULTIMATE.start_main_~input_7~0#1|))) (.cse9 (let ((.cse21 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_27| (_ BitVec 8))) (let ((.cse32 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_27|) (_ bv1 32))))) (and (not (= .cse32 (_ bv0 8))) (= ((_ extract 7 0) ((_ zero_extend 24) .cse32)) |ULTIMATE.start_main_~state_31~0#1|)))))) (or (and .cse16 (or (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse18)) (= ((_ extract 7 0) ((_ 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 .cse19 (bvneg .cse20)))))) .cse18)))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) .cse20) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse19) |ULTIMATE.start_main_~state_22~0#1|)))) .cse21) (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse22)) (= ((_ extract 7 0) ((_ 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 .cse23 (bvneg .cse24)))))) (bvneg .cse22))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) .cse24) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse23) |ULTIMATE.start_main_~state_22~0#1|)))) .cse15))) (and (or (and .cse21 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse25 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse26 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse25)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse26 .cse27))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) .cse27) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse26) |ULTIMATE.start_main_~state_22~0#1|))))) (and .cse15 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse28)) (= ((_ extract 7 0) .cse29) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse30) |ULTIMATE.start_main_~state_22~0#1|) (= ((_ extract 7 0) ((_ 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 .cse30 .cse29))))) (bvneg .cse28))))))) |ULTIMATE.start_main_~state_40~0#1|)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_27| (_ BitVec 8))) (let ((.cse31 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_27|) (_ bv1 32))))) (and (not (= .cse31 (_ bv0 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse31))) (_ bv1 32))) |ULTIMATE.start_main_~state_29~0#1|)))))))) (.cse10 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_27| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_27|) (_ bv1 32))) |ULTIMATE.start_main_~input_8~0#1|))) (.cse2 (= |ULTIMATE.start_main_~var_10~0#1| (_ bv0 8))) (.cse3 (= |ULTIMATE.start_main_~var_28~0#1| (_ bv0 8))) (.cse4 (= (_ bv0 8) |ULTIMATE.start_main_~state_11~0#1|)) (.cse5 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse7 (= (_ bv0 8) |ULTIMATE.start_main_~state_13~0#1|)) (.cse8 (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (_ bv0 8))) (.cse11 (= (_ bv1 8) |ULTIMATE.start_main_~var_18~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse9 .cse10 .cse11 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ 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) .cse12)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) .cse14)))))))))))))))))) |ULTIMATE.start_main_~state_13~0#1|) (= ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ 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 .cse14 (bvneg .cse13)))))) .cse12))))))))))))) |ULTIMATE.start_main_~state_11~0#1|))))) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_26~0#1|) .cse2 .cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_22~0#1|) .cse16 .cse3 .cse4 .cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_24~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_40~0#1|) .cse17 .cse7 .cse8 (= (_ bv0 8) |ULTIMATE.start_main_~state_37~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_33~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_42~0#1|) .cse11)))) [2023-11-29 01:04:55,658 INFO L899 garLoopResultBuilder]: For program point L81-3(lines 81 230) no Hoare annotation was computed. [2023-11-29 01:04:55,658 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:04:55,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-29 01:04:55,662 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-29 01:04:55,664 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:04:55,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-29 01:04:55,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) could not be translated [2023-11-29 01:04:55,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-29 01:04:55,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_30 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_30), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-11-29 01:04:55,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == ~input_7~0) could not be translated [2023-11-29 01:04:55,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-11-29 01:04:55,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-11-29 01:04:55,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-11-29 01:04:55,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-11-29 01:04:55,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-11-29 01:04:55,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated [2023-11-29 01:04:55,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0) could not be translated [2023-11-29 01:04:55,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-29 01:04:55,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-29 01:04:55,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) could not be translated [2023-11-29 01:04:55,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-29 01:04:55,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_30 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_30), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-11-29 01:04:55,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == ~input_7~0) could not be translated [2023-11-29 01:04:55,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-11-29 01:04:55,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-11-29 01:04:55,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-11-29 01:04:55,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-11-29 01:04:55,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-11-29 01:04:55,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated [2023-11-29 01:04:55,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0) could not be translated [2023-11-29 01:04:55,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-29 01:04:55,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated [2023-11-29 01:04:55,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:04:55 BoogieIcfgContainer [2023-11-29 01:04:55,699 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:04:55,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:04:55,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:04:55,701 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:04:55,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:01:32" (3/4) ... [2023-11-29 01:04:55,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:04:55,714 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 01:04:55,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 01:04:55,716 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:04:55,717 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:04:55,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:04:55,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:04:55,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:04:55,834 INFO L158 Benchmark]: Toolchain (without parser) took 204158.27ms. Allocated memory was 79.7MB in the beginning and 327.2MB in the end (delta: 247.5MB). Free memory was 55.0MB in the beginning and 241.9MB in the end (delta: -186.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,834 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:04:55,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.51ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 39.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.60ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 36.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,835 INFO L158 Benchmark]: Boogie Preprocessor took 94.36ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 36.6MB in the beginning and 106.7MB in the end (delta: -70.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,836 INFO L158 Benchmark]: RCFGBuilder took 551.69ms. Allocated memory is still 130.0MB. Free memory was 106.7MB in the beginning and 82.0MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,836 INFO L158 Benchmark]: TraceAbstraction took 202919.55ms. Allocated memory was 130.0MB in the beginning and 327.2MB in the end (delta: 197.1MB). Free memory was 81.0MB in the beginning and 249.2MB in the end (delta: -168.1MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,836 INFO L158 Benchmark]: Witness Printer took 133.05ms. Allocated memory is still 327.2MB. Free memory was 249.2MB in the beginning and 241.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:04:55,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.51ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 39.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.60ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 36.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.36ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 36.6MB in the beginning and 106.7MB in the end (delta: -70.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 551.69ms. Allocated memory is still 130.0MB. Free memory was 106.7MB in the beginning and 82.0MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 202919.55ms. Allocated memory was 130.0MB in the beginning and 327.2MB in the end (delta: 197.1MB). Free memory was 81.0MB in the beginning and 249.2MB in the end (delta: -168.1MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. * Witness Printer took 133.05ms. Allocated memory is still 327.2MB. Free memory was 249.2MB in the beginning and 241.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_30 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_30), 1bv32)[7:0] == ~input_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == ~input_7~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == ~input_8~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_30 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_30), 1bv32)[7:0] == ~input_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == ~input_7~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_27 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_27), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_27), 1bv32)[7:0] == ~input_8~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated * 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 202.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 133.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 32.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 5 NumberOfFragments, 919 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1566 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 864 FormulaSimplificationTreeSizeReductionInter, 133.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 52.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 57 ConstructedInterpolants, 32 QuantifiedInterpolants, 30806 SizeOfPredicates, 273 NumberOfNonLiveVariables, 1034 ConjunctsInSsa, 288 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/48 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((((((((var_10 == 0) && (var_28 == 0)) && (0 == state_11)) && (1 == mask_SORT_5)) && (0 == state_13)) && (((1 + mask_SORT_1) % 256) == 0)) && (1 == var_18)) || (((((var_10 == 0) && (var_28 == 0)) && (1 == mask_SORT_5)) && (((1 + mask_SORT_1) % 256) == 0)) && (1 == var_18))) || (((((((((((((((((0 == state_26) && (var_10 == 0)) && (0 == state_31)) && (0 == state_22)) && (0 == state_29)) && (var_28 == 0)) && (0 == state_11)) && (1 == mask_SORT_5)) && (0 == state_24)) && (0 == state_40)) && (0 == state_35)) && (0 == state_13)) && (((1 + mask_SORT_1) % 256) == 0)) && (0 == state_37)) && (0 == state_33)) && (0 == state_42)) && (1 == var_18))) RESULT: Ultimate proved your program to be correct! [2023-11-29 01:04:55,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe4d712-a447-4945-b0f4-d0374d86c6e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE