./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:42:58,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:42:58,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 02:42:58,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:42:58,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:42:58,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:42:58,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:42:58,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:42:58,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:42:58,323 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:42:58,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:42:58,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:42:58,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:42:58,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:42:58,327 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:42:58,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:42:58,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:42:58,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:42:58,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:42:58,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:42:58,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:42:58,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:42:58,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:42:58,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:42:58,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:42:58,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:42:58,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:42:58,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:42:58,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:42:58,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:42:58,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:42:58,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:42:58,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:42:58,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:42:58,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:42:58,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:42:58,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:42:58,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:42:58,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:42:58,338 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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2023-11-29 02:42:58,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:42:58,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:42:58,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:42:58,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:42:58,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:42:58,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-29 02:43:01,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:43:01,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:43:01,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-29 02:43:01,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data/4e41add8e/04a127d43e66434aa6bd78707c296cd5/FLAG8ea2738df [2023-11-29 02:43:02,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data/4e41add8e/04a127d43e66434aa6bd78707c296cd5 [2023-11-29 02:43:02,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:43:02,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:43:02,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:43:02,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:43:02,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:43:02,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21160c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02, skipping insertion in model container [2023-11-29 02:43:02,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:43:02,251 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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-29 02:43:02,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:43:02,356 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:43:02,372 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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-29 02:43:02,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:43:02,446 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:43:02,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02 WrapperNode [2023-11-29 02:43:02,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:43:02,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:43:02,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:43:02,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:43:02,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,549 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 459 [2023-11-29 02:43:02,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:43:02,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:43:02,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:43:02,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:43:02,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,610 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 02:43:02,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:43:02,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:43:02,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:43:02,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:43:02,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (1/1) ... [2023-11-29 02:43:02,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:43:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:43:02,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:43:02,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:43:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:43:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:43:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:43:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:43:02,877 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:43:02,879 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:43:03,576 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:43:03,610 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:43:03,611 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:43:03,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:03 BoogieIcfgContainer [2023-11-29 02:43:03,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:43:03,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:43:03,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:43:03,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:43:03,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:43:02" (1/3) ... [2023-11-29 02:43:03,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124e6e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:43:03, skipping insertion in model container [2023-11-29 02:43:03,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:02" (2/3) ... [2023-11-29 02:43:03,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124e6e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:43:03, skipping insertion in model container [2023-11-29 02:43:03,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:03" (3/3) ... [2023-11-29 02:43:03,622 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v2.c [2023-11-29 02:43:03,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:43:03,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:43:03,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:43:03,700 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;@7e0e5c57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:43:03,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:43:03,705 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 02:43:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 02:43:03,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:03,714 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 02:43:03,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:03,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:03,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1027011683, now seen corresponding path program 1 times [2023-11-29 02:43:03,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:03,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201263021] [2023-11-29 02:43:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:03,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:04,197 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 02:43:04,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:04,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201263021] [2023-11-29 02:43:04,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201263021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:04,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:04,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:43:04,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520723193] [2023-11-29 02:43:04,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:04,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:43:04,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:43:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:43:04,238 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 02:43:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:04,293 INFO L93 Difference]: Finished difference Result 105 states and 171 transitions. [2023-11-29 02:43:04,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:43:04,296 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 02:43:04,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:04,306 INFO L225 Difference]: With dead ends: 105 [2023-11-29 02:43:04,306 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 02:43:04,309 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 02:43:04,313 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 02:43:04,314 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 02:43:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 02:43:04,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 02:43:04,353 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 02:43:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 113 transitions. [2023-11-29 02:43:04,367 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 113 transitions. Word has length 38 [2023-11-29 02:43:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:04,367 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 113 transitions. [2023-11-29 02:43:04,368 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 02:43:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-29 02:43:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 02:43:04,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:04,370 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 02:43:04,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:43:04,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:04,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:04,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1774316253, now seen corresponding path program 1 times [2023-11-29 02:43:04,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:04,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749269987] [2023-11-29 02:43:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:04,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:04,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:04,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749269987] [2023-11-29 02:43:04,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749269987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:04,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:04,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:43:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016098383] [2023-11-29 02:43:04,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:04,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:43:04,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:04,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:43:04,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:43:04,518 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 02:43:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:04,557 INFO L93 Difference]: Finished difference Result 108 states and 169 transitions. [2023-11-29 02:43:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:43:04,558 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 02:43:04,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:04,560 INFO L225 Difference]: With dead ends: 108 [2023-11-29 02:43:04,561 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 02:43:04,561 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 02:43:04,563 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 02:43:04,564 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 02:43:04,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 02:43:04,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2023-11-29 02:43:04,573 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 02:43:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2023-11-29 02:43:04,576 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 39 [2023-11-29 02:43:04,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:04,576 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2023-11-29 02:43:04,577 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 02:43:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2023-11-29 02:43:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 02:43:04,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:04,579 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 02:43:04,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:43:04,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:04,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:04,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1041203267, now seen corresponding path program 1 times [2023-11-29 02:43:04,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:04,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060021264] [2023-11-29 02:43:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:04,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:04,856 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 02:43:04,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:04,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060021264] [2023-11-29 02:43:04,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060021264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:04,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:04,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:43:04,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880460805] [2023-11-29 02:43:04,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:04,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:43:04,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:43:04,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:43:04,860 INFO L87 Difference]: Start difference. First operand 73 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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 02:43:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:04,906 INFO L93 Difference]: Finished difference Result 117 states and 183 transitions. [2023-11-29 02:43:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:43:04,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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 02:43:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:04,908 INFO L225 Difference]: With dead ends: 117 [2023-11-29 02:43:04,908 INFO L226 Difference]: Without dead ends: 81 [2023-11-29 02:43:04,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 02:43:04,911 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 124 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 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 02:43:04,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 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 02:43:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-29 02:43:04,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2023-11-29 02:43:04,920 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 02:43:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-29 02:43:04,922 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 40 [2023-11-29 02:43:04,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:04,922 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-29 02:43:04,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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 02:43:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-29 02:43:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 02:43:04,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:04,925 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 02:43:04,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:43:04,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:04,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:04,926 INFO L85 PathProgramCache]: Analyzing trace with hash 733804095, now seen corresponding path program 1 times [2023-11-29 02:43:04,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:04,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557224051] [2023-11-29 02:43:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:04,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:43:04,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:43:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:43:05,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:43:05,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:43:05,032 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:43:05,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:43:05,038 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 02:43:05,042 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:43:05,072 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:43:05,073 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 02:43:05,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 02:43:05,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 02:43:05,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 02:43:05,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 02:43:05,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 02:43:05,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-29 02:43:05,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-29 02:43:05,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-29 02:43:05,079 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-29 02:43:05,079 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 02:43:05,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 02:43:05,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-29 02:43:05,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 02:43:05,081 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 02:43:05,081 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 02:43:05,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 02:43:05,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 02:43:05,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-29 02:43:05,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-29 02:43:05,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-29 02:43:05,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-29 02:43:05,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 02:43:05,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-29 02:43:05,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-29 02:43:05,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-11-29 02:43:05,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-29 02:43:05,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated [2023-11-29 02:43:05,093 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 02:43:05,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:43:05 BoogieIcfgContainer [2023-11-29 02:43:05,107 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:43:05,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:43:05,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:43:05,108 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:43:05,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:03" (3/4) ... [2023-11-29 02:43:05,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:43:05,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:43:05,114 INFO L158 Benchmark]: Toolchain (without parser) took 3097.30ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 106.0MB in the beginning and 77.1MB in the end (delta: 28.9MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2023-11-29 02:43:05,114 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:43:05,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.03ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 89.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:43:05,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.78ms. Allocated memory is still 144.7MB. Free memory was 89.7MB in the beginning and 80.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:43:05,116 INFO L158 Benchmark]: Boogie Preprocessor took 113.56ms. Allocated memory is still 144.7MB. Free memory was 80.4MB in the beginning and 74.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:43:05,117 INFO L158 Benchmark]: RCFGBuilder took 946.53ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 74.5MB in the beginning and 151.1MB in the end (delta: -76.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-29 02:43:05,117 INFO L158 Benchmark]: TraceAbstraction took 1492.25ms. Allocated memory is still 207.6MB. Free memory was 150.0MB in the beginning and 77.1MB in the end (delta: 72.9MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-29 02:43:05,118 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 207.6MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:43:05,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.03ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 89.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.78ms. Allocated memory is still 144.7MB. Free memory was 89.7MB in the beginning and 80.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.56ms. Allocated memory is still 144.7MB. Free memory was 80.4MB in the beginning and 74.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 946.53ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 74.5MB in the beginning and 151.1MB in the end (delta: -76.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1492.25ms. Allocated memory is still 207.6MB. Free memory was 150.0MB in the beginning and 77.1MB in the end (delta: 72.9MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 207.6MB. Free memory is still 77.1MB. 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~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 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~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 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~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 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 98. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_1 var_9 = 0; [L30] const SORT_1 var_17 = 1; [L32] SORT_1 input_2; [L33] SORT_1 input_3; [L34] SORT_1 input_4; [L35] SORT_1 input_5; [L36] SORT_1 input_6; [L37] SORT_1 input_7; [L38] SORT_1 input_8; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, var_17=1, var_9=0] [L40] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, var_17=1, var_9=0] [L41] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, var_17=1, var_9=0] [L42] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, var_17=1, var_9=0] [L43] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, var_17=1, var_9=0] [L44] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, var_17=1, var_9=0] [L45] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, var_17=1, var_9=0] [L46] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, var_17=1, var_9=0] [L47] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, var_17=1, var_9=0] [L48] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, var_17=1, var_9=0] [L49] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, var_17=1, var_9=0] [L50] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, var_17=1, var_9=0] [L51] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 init_11_arg_1 = var_9; [L54] state_10 = init_11_arg_1 [L55] SORT_1 init_13_arg_1 = var_9; [L56] state_12 = init_13_arg_1 [L57] SORT_1 init_22_arg_1 = var_9; [L58] state_21 = init_22_arg_1 [L59] SORT_1 init_24_arg_1 = var_9; [L60] state_23 = init_24_arg_1 [L61] SORT_1 init_26_arg_1 = var_9; [L62] state_25 = init_26_arg_1 [L63] SORT_1 init_28_arg_1 = var_9; [L64] state_27 = init_28_arg_1 [L65] SORT_1 init_30_arg_1 = var_9; [L66] state_29 = init_30_arg_1 [L67] SORT_1 init_32_arg_1 = var_9; [L68] state_31 = init_32_arg_1 [L69] SORT_1 init_34_arg_1 = var_9; [L70] state_33 = init_34_arg_1 [L71] SORT_1 init_36_arg_1 = var_9; [L72] state_35 = init_36_arg_1 [L73] SORT_1 init_39_arg_1 = var_9; [L74] state_38 = init_39_arg_1 [L75] SORT_1 init_41_arg_1 = var_9; [L76] state_40 = init_41_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L79] input_2 = __VERIFIER_nondet_uchar() [L80] input_3 = __VERIFIER_nondet_uchar() [L81] input_4 = __VERIFIER_nondet_uchar() [L82] input_5 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] EXPR input_6 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L84] input_6 = input_6 & mask_SORT_1 [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L86] input_7 = input_7 & mask_SORT_1 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L88] input_8 = input_8 & mask_SORT_1 [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_1 var_18_arg_0 = var_14; [L95] SORT_1 var_18 = ~var_18_arg_0; [L96] SORT_1 var_19_arg_0 = var_17; [L97] SORT_1 var_19_arg_1 = var_18; VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_9=0] [L98] EXPR var_19_arg_0 & var_19_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_9=0] [L98] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L99] EXPR var_19 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=1, var_19_arg_0=1, var_19_arg_1=254, var_9=0] [L99] var_19 = var_19 & mask_SORT_1 [L100] SORT_1 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_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, 126 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 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, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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: 0.1s 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, 209 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 02:43:05,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:43:07,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:43:07,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 02:43:07,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:43:07,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:43:07,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:43:07,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:43:07,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:43:07,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:43:07,450 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:43:07,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:43:07,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:43:07,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:43:07,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:43:07,454 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:43:07,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:43:07,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:43:07,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:43:07,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:43:07,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:43:07,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:43:07,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:43:07,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:43:07,460 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:43:07,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:43:07,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:43:07,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:43:07,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:43:07,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:43:07,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:43:07,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:43:07,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:43:07,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:43:07,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:43:07,464 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:43:07,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:43:07,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:43:07,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:43:07,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:43:07,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:43:07,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:43:07,466 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:43:07,466 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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2023-11-29 02:43:07,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:43:07,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:43:07,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:43:07,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:43:07,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:43:07,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-29 02:43:11,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:43:11,253 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:43:11,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-29 02:43:11,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data/ba769f9eb/d1e71d43ffe14017905670143e11a835/FLAGc7afbf147 [2023-11-29 02:43:11,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/data/ba769f9eb/d1e71d43ffe14017905670143e11a835 [2023-11-29 02:43:11,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:43:11,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:43:11,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:43:11,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:43:11,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:43:11,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4735aa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11, skipping insertion in model container [2023-11-29 02:43:11,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:43:11,520 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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-29 02:43:11,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:43:11,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:43:11,624 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_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-29 02:43:11,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:43:11,691 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:43:11,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11 WrapperNode [2023-11-29 02:43:11,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:43:11,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:43:11,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:43:11,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:43:11,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,752 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2023-11-29 02:43:11,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:43:11,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:43:11,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:43:11,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:43:11,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,797 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 02:43:11,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:43:11,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:43:11,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:43:11,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:43:11,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (1/1) ... [2023-11-29 02:43:11,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:43:11,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:43:11,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:43:11,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:43:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:43:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:43:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:43:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:43:12,028 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:43:12,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:43:12,325 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:43:12,365 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:43:12,366 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:43:12,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:12 BoogieIcfgContainer [2023-11-29 02:43:12,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:43:12,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:43:12,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:43:12,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:43:12,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:43:11" (1/3) ... [2023-11-29 02:43:12,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b92dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:43:12, skipping insertion in model container [2023-11-29 02:43:12,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:11" (2/3) ... [2023-11-29 02:43:12,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b92dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:43:12, skipping insertion in model container [2023-11-29 02:43:12,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:12" (3/3) ... [2023-11-29 02:43:12,376 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v2.c [2023-11-29 02:43:12,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:43:12,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:43:12,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:43:12,458 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;@3096555e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:43:12,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:43:12,463 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 02:43:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 02:43:12,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:12,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 02:43:12,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:12,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:12,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-29 02:43:12,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:43:12,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906612524] [2023-11-29 02:43:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:12,494 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 02:43:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:43:12,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:12,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:12,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 02:43:12,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:43:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:12,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:43:12,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:43:12,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906612524] [2023-11-29 02:43:12,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906612524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:12,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:12,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:43:12,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668036964] [2023-11-29 02:43:12,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:12,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:43:12,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:43:12,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:43:12,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:43:12,890 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 02:43:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:12,969 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-29 02:43:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:43:12,971 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 02:43:12,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:12,978 INFO L225 Difference]: With dead ends: 16 [2023-11-29 02:43:12,978 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 02:43:12,981 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 02:43:12,999 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 02:43:13,000 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 02:43:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 02:43:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-29 02:43:13,026 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 02:43:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 02:43:13,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 02:43:13,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:13,029 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 02:43:13,029 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 02:43:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 02:43:13,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 02:43:13,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:13,030 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-29 02:43:13,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:13,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:13,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:13,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-29 02:43:13,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:43:13,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002675563] [2023-11-29 02:43:13,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:13,235 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 02:43:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:43:13,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:13,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:13,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 02:43:13,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:43:14,126 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 02:43:14,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:43:15,317 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 02:43:15,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:43:15,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002675563] [2023-11-29 02:43:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002675563] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:43:15,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:43:15,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 02:43:15,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802108747] [2023-11-29 02:43:15,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:43:15,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:43:15,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:43:15,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:43:15,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:43:15,324 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 02:43:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:15,523 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 02:43:15,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:43:15,524 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 02:43:15,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:15,525 INFO L225 Difference]: With dead ends: 14 [2023-11-29 02:43:15,525 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 02:43:15,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:43:15,528 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 02:43:15,528 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 02:43:15,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 02:43:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-29 02:43:15,533 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 02:43:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:43:15,534 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-29 02:43:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:15,534 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:43:15,534 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 02:43:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:43:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:43:15,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:15,536 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-29 02:43:15,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:15,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:15,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:15,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:15,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-29 02:43:15,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:43:15,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363933551] [2023-11-29 02:43:15,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:43:15,739 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 02:43:15,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:43:15,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:15,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:16,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:43:16,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:43:16,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-29 02:43:16,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:43:16,551 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 02:43:16,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:43:23,081 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 02:43:23,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:43:23,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363933551] [2023-11-29 02:43:23,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363933551] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:43:23,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:43:23,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 02:43:23,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621740095] [2023-11-29 02:43:23,083 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:43:23,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:43:23,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:43:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:43:23,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:43:23,087 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 02:43:23,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:23,356 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-29 02:43:23,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:43:23,357 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 02:43:23,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:23,358 INFO L225 Difference]: With dead ends: 17 [2023-11-29 02:43:23,358 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 02:43:23,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:43:23,360 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 02:43:23,361 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 02:43:23,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 02:43:23,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-29 02:43:23,366 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 02:43:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 02:43:23,366 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-29 02:43:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:23,367 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 02:43:23,367 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 02:43:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 02:43:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 02:43:23,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:23,368 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-29 02:43:23,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:23,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:23,569 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:23,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:23,570 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-11-29 02:43:23,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:43:23,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800885481] [2023-11-29 02:43:23,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:43:23,571 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 02:43:23,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:43:23,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:23,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:23,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 02:43:23,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:43:23,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 134 conjunts are in the unsatisfiable core [2023-11-29 02:43:23,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:43:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:27,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:43:41,419 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 02:43:41,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:43:41,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800885481] [2023-11-29 02:43:41,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800885481] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:43:41,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:43:41,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2023-11-29 02:43:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525797837] [2023-11-29 02:43:41,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:43:41,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:43:41,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:43:41,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:43:41,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:43:41,422 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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 02:43:45,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:43:48,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:43:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:48,586 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 02:43:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:43:48,588 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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 02:43:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:48,588 INFO L225 Difference]: With dead ends: 14 [2023-11-29 02:43:48,588 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:43:48,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:43:48,590 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:43:48,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 02:43:48,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:43:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:43:48,591 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 02:43:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:43:48,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-29 02:43:48,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:48,591 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:43:48,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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 02:43:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:43:48,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:43:48,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:43:48,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:48,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/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 02:43:48,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:45:13,973 WARN L293 SmtUtils]: Spent 1.42m on a formula simplification. DAG size of input: 247 DAG size of output: 186 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 02:45:13,977 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:45:13,977 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-29 02:45:13,978 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-29 02:45:13,978 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-29 02:45:13,979 INFO L895 garLoopResultBuilder]: At program point L77-2(lines 77 226) the Hoare annotation is: (let ((.cse12 (= (_ bv0 8) |ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse3 (or (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse26 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse26))) |ULTIMATE.start_main_~state_31~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 .cse28))))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse28)) ((_ zero_extend 24) ((_ extract 7 0) .cse27)))))))) |ULTIMATE.start_main_~state_35~0#1|)))) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse29))) |ULTIMATE.start_main_~state_31~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse29) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse30 .cse31))))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse31)) ((_ zero_extend 24) ((_ extract 7 0) .cse30)))))))) |ULTIMATE.start_main_~state_35~0#1|)))))) (.cse4 (or (and (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_27| (_ BitVec 8))) (let ((.cse13 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_27|) (_ bv1 32))))) (and (not (= .cse13 (_ bv0 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse13))) (_ bv1 32))) |ULTIMATE.start_main_~state_27~0#1|)))) (or (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse14) |ULTIMATE.start_main_~state_25~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse15) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse14) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse16 .cse15))))))))))) |ULTIMATE.start_main_~state_38~0#1|)))) (= ((_ extract 7 0) .cse16) |ULTIMATE.start_main_~state_21~0#1|))))))) (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|))) (and (= ((_ extract 7 0) .cse17) |ULTIMATE.start_main_~state_21~0#1|) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse18) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse19 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse17 .cse18))))))))))) |ULTIMATE.start_main_~state_38~0#1|))))))) (= ((_ extract 7 0) .cse19) |ULTIMATE.start_main_~state_25~0#1|)))))) (and .cse12 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse20) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) .cse21) |ULTIMATE.start_main_~state_21~0#1|) (= ((_ extract 7 0) .cse22) |ULTIMATE.start_main_~state_25~0#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 .cse21 (bvneg .cse20)))))) .cse22)))))) |ULTIMATE.start_main_~state_38~0#1|))))) (and .cse12 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse25 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_38~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse23) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 (bvneg .cse25))))))))))))) (= ((_ extract 7 0) .cse25) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) .cse24) |ULTIMATE.start_main_~state_21~0#1|) (= ((_ extract 7 0) .cse23) |ULTIMATE.start_main_~state_25~0#1|))))))) (.cse7 (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_6~0#1|))) (.cse8 (exists ((|v_ULTIMATE.start_main_#t~nondet22#1_29| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_8~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet22#1_29|) (_ bv1 32)))))) (.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_17~0#1|)) (.cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_12~0#1|)) (.cse6 (= |ULTIMATE.start_main_~var_9~0#1| (_ bv0 8)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse3 .cse4 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) (bvand ((_ 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) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse9)) (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse10)))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse11))))))))))) (_ bv1 32))) |ULTIMATE.start_main_~state_12~0#1|) (= ((_ extract 7 0) (bvand ((_ 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 .cse9 (bvneg .cse10)))))) .cse11))))))))))) (_ bv1 32))) |ULTIMATE.start_main_~state_10~0#1|)))) .cse6 .cse7 .cse8) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_21~0#1|) .cse0 .cse1 .cse2 .cse12 (= (_ bv0 8) |ULTIMATE.start_main_~state_31~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_29~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_25~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_40~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_35~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_38~0#1|) .cse5 .cse6 (= (_ bv0 8) |ULTIMATE.start_main_~state_33~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|))))) [2023-11-29 02:45:13,979 INFO L899 garLoopResultBuilder]: For program point L77-3(lines 77 226) no Hoare annotation was computed. [2023-11-29 02:45:13,979 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:45:13,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-29 02:45:13,983 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-29 02:45:13,985 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:45:14,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-11-29 02:45:14,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-11-29 02:45:14,008 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_27~0) could not be translated [2023-11-29 02:45:14,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0)) could not be translated [2023-11-29 02:45:14,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-11-29 02:45:14,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-11-29 02:45:14,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-11-29 02:45:14,010 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_6~0) could not be translated [2023-11-29 02:45:14,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_29 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_29), 1bv32)[7:0]) could not be translated [2023-11-29 02:45:14,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-11-29 02:45:14,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-11-29 02:45:14,011 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_27~0) could not be translated [2023-11-29 02:45:14,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0)) could not be translated [2023-11-29 02:45:14,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-11-29 02:45:14,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-11-29 02:45:14,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-11-29 02:45:14,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~bvand~32(~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(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0]))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_12~0 && ~bvand~32(~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_10~0) could not be translated [2023-11-29 02:45:14,013 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_6~0) could not be translated [2023-11-29 02:45:14,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_29 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_29), 1bv32)[7:0]) could not be translated [2023-11-29 02:45:14,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:45:14 BoogieIcfgContainer [2023-11-29 02:45:14,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:45:14,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:45:14,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:45:14,017 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:45:14,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:12" (3/4) ... [2023-11-29 02:45:14,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:45:14,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 02:45:14,032 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:45:14,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:45:14,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:45:14,203 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:45:14,203 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:45:14,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:45:14,204 INFO L158 Benchmark]: Toolchain (without parser) took 122912.73ms. Allocated memory was 65.0MB in the beginning and 293.6MB in the end (delta: 228.6MB). Free memory was 31.7MB in the beginning and 259.5MB in the end (delta: -227.8MB). Peak memory consumption was 149.7MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,205 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:45:14,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.87ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 31.6MB in the beginning and 58.8MB in the end (delta: -27.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 55.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,206 INFO L158 Benchmark]: Boogie Preprocessor took 75.21ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 53.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,207 INFO L158 Benchmark]: RCFGBuilder took 537.33ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,207 INFO L158 Benchmark]: TraceAbstraction took 121646.01ms. Allocated memory was 92.3MB in the beginning and 293.6MB in the end (delta: 201.3MB). Free memory was 50.2MB in the beginning and 111.8MB in the end (delta: -61.7MB). Peak memory consumption was 160.5MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,208 INFO L158 Benchmark]: Witness Printer took 187.38ms. Allocated memory is still 293.6MB. Free memory was 111.8MB in the beginning and 259.5MB in the end (delta: -147.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:45:14,210 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 65.0MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.87ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 31.6MB in the beginning and 58.8MB in the end (delta: -27.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 55.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.21ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 53.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 537.33ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 121646.01ms. Allocated memory was 92.3MB in the beginning and 293.6MB in the end (delta: 201.3MB). Free memory was 50.2MB in the beginning and 111.8MB in the end (delta: -61.7MB). Peak memory consumption was 160.5MB. Max. memory is 16.1GB. * Witness Printer took 187.38ms. Allocated memory is still 293.6MB. Free memory was 111.8MB in the beginning and 259.5MB in the end (delta: -147.7MB). Peak memory consumption was 2.1MB. 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_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) 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_27~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) 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_6~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_29 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_29), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_35~0) 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_27~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0 && (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (exists ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0 && (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0)) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~bvand~32(~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(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0]))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_12~0 && ~bvand~32(~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_10~0) 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_6~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_29 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_29), 1bv32)[7:0]) 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: 121.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 85.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 6 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 7.2s 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, 737 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1394 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 742 FormulaSimplificationTreeSizeReductionInter, 85.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 57 ConstructedInterpolants, 32 QuantifiedInterpolants, 27872 SizeOfPredicates, 256 NumberOfNonLiveVariables, 1022 ConjunctsInSsa, 269 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3/48 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: 77]: Loop Invariant Derived loop invariant: (((((((1 == mask_SORT_1) && (0 == state_10)) && (1 == var_17)) && (0 == state_12)) && (var_9 == 0)) || (((1 == mask_SORT_1) && (1 == var_17)) && (var_9 == 0))) || (((((((((((((((0 == state_21) && (1 == mask_SORT_1)) && (0 == state_10)) && (1 == var_17)) && (0 == state_27)) && (0 == state_31)) && (0 == state_29)) && (0 == state_25)) && (0 == state_40)) && (0 == state_35)) && (0 == state_38)) && (0 == state_12)) && (var_9 == 0)) && (0 == state_33)) && (0 == state_23))) RESULT: Ultimate proved your program to be correct! [2023-11-29 02:45:14,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6cec9a-62ed-42ef-b822-8b6e61d2f1da/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE