./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:14:51,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:14:51,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:14:51,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:14:51,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:14:51,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:14:51,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:14:51,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:14:51,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:14:51,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:14:51,957 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:14:51,958 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:14:51,958 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:14:51,958 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:14:51,958 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:14:51,958 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:14:51,958 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:14:51,959 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:14:51,959 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:14:51,960 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:14:51,960 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:14:51,960 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:14:51,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:14:51,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:14:51,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:14:51,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:14:51,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:14:51,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:14:51,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:14:51,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:14:51,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:14:51,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:14:51,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:14:51,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:14:51,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:14:51,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:51,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:14:51,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:14:51,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:14:51,963 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:14:51,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:14:51,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:14:51,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:14:51,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:14:51,964 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca [2024-11-14 04:14:52,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:14:52,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:14:52,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:14:52,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:14:52,347 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:14:52,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c Unable to find full path for "g++" [2024-11-14 04:14:54,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:14:54,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:14:54,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-14 04:14:54,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data/339ac4086/c193ef2abe844bd7a10812e2f358c702/FLAG1d3fcc2a7 [2024-11-14 04:14:54,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data/339ac4086/c193ef2abe844bd7a10812e2f358c702 [2024-11-14 04:14:54,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:14:54,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:14:54,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:54,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:14:54,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:14:54,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:54" (1/1) ... [2024-11-14 04:14:54,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecd6ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:54, skipping insertion in model container [2024-11-14 04:14:54,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:54" (1/1) ... [2024-11-14 04:14:55,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:14:55,249 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-14 04:14:55,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:55,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:14:55,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-14 04:14:55,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:55,825 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:14:55,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55 WrapperNode [2024-11-14 04:14:55,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:55,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:55,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:14:55,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:14:55,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:55,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,157 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1382 [2024-11-14 04:14:56,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:56,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:14:56,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:14:56,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:14:56,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:14:56,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:14:56,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:14:56,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:14:56,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (1/1) ... [2024-11-14 04:14:56,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:56,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:14:56,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:14:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:14:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:14:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:14:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:14:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:14:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:14:57,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:14:57,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:14:59,921 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-14 04:14:59,921 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:15:02,574 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:15:02,574 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:15:02,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:02 BoogieIcfgContainer [2024-11-14 04:15:02,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:15:02,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:15:02,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:15:02,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:15:02,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:14:54" (1/3) ... [2024-11-14 04:15:02,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9cf186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:02, skipping insertion in model container [2024-11-14 04:15:02,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:55" (2/3) ... [2024-11-14 04:15:02,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9cf186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:02, skipping insertion in model container [2024-11-14 04:15:02,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:02" (3/3) ... [2024-11-14 04:15:02,587 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-14 04:15:02,608 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:15:02,610 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c that has 2 procedures, 15 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:15:02,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:15:02,709 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5691d0be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:15:02,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:15:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:15:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 04:15:02,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:02,729 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:02,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:02,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:02,737 INFO L85 PathProgramCache]: Analyzing trace with hash -542011231, now seen corresponding path program 1 times [2024-11-14 04:15:02,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:15:02,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924300056] [2024-11-14 04:15:02,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:15:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:15:06,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:15:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924300056] [2024-11-14 04:15:06,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924300056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:06,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:15:06,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:15:06,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79542842] [2024-11-14 04:15:06,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:06,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:15:06,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:15:06,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:15:06,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:15:06,702 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:15:08,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:08,229 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2024-11-14 04:15:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:15:08,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2024-11-14 04:15:08,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:08,238 INFO L225 Difference]: With dead ends: 36 [2024-11-14 04:15:08,238 INFO L226 Difference]: Without dead ends: 22 [2024-11-14 04:15:08,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:15:08,249 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:08,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-14 04:15:08,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-14 04:15:08,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-14 04:15:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 04:15:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-14 04:15:08,293 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2024-11-14 04:15:08,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:08,294 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-14 04:15:08,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:15:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-14 04:15:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 04:15:08,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:08,297 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-14 04:15:08,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:15:08,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:08,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:08,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1549210094, now seen corresponding path program 1 times [2024-11-14 04:15:08,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:15:08,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908293370] [2024-11-14 04:15:08,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:15:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:15:14,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:15:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:15:18,064 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:15:18,065 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:15:18,066 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:15:18,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:15:18,073 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 04:15:18,199 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:15:18,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:15:18 BoogieIcfgContainer [2024-11-14 04:15:18,204 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:15:18,205 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:15:18,205 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:15:18,205 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:15:18,206 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:02" (3/4) ... [2024-11-14 04:15:18,209 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:15:18,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:15:18,211 INFO L158 Benchmark]: Toolchain (without parser) took 23236.92ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 90.0MB in the beginning and 260.8MB in the end (delta: -170.8MB). Peak memory consumption was 371.5MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,215 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:18,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.90ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 60.6MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 329.16ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 71.3MB in the end (delta: -10.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,216 INFO L158 Benchmark]: Boogie Preprocessor took 406.89ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 67.2MB in the end (delta: 4.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,217 INFO L158 Benchmark]: RCFGBuilder took 6008.20ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 67.2MB in the beginning and 248.6MB in the end (delta: -181.4MB). Peak memory consumption was 200.5MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,217 INFO L158 Benchmark]: TraceAbstraction took 15626.12ms. Allocated memory was 377.5MB in the beginning and 654.3MB in the end (delta: 276.8MB). Free memory was 248.6MB in the beginning and 260.8MB in the end (delta: -12.2MB). Peak memory consumption was 276.1MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,219 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 654.3MB. Free memory was 260.8MB in the beginning and 260.8MB in the end (delta: 31.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:15:18,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.90ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 60.6MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 329.16ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 71.3MB in the end (delta: -10.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 406.89ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 67.2MB in the end (delta: 4.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6008.20ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 67.2MB in the beginning and 248.6MB in the end (delta: -181.4MB). Peak memory consumption was 200.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15626.12ms. Allocated memory was 377.5MB in the beginning and 654.3MB in the end (delta: 276.8MB). Free memory was 248.6MB in the beginning and 260.8MB in the end (delta: -12.2MB). Peak memory consumption was 276.1MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 654.3MB. Free memory was 260.8MB in the beginning and 260.8MB in the end (delta: 31.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 140, overapproximation of bitwiseOr at line 325, overapproximation of bitwiseOr at line 121, overapproximation of bitwiseOr at line 290, overapproximation of bitwiseOr at line 105, overapproximation of bitwiseAnd at line 66, overapproximation of bitwiseAnd at line 146, overapproximation of bitwiseAnd at line 158, overapproximation of bitwiseAnd at line 93, overapproximation of bitwiseAnd at line 110, overapproximation of bitwiseAnd at line 306. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 5); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (5 - 1); [L35] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L36] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L38] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 3); [L39] const SORT_19 msb_SORT_19 = (SORT_19)1 << (3 - 1); [L41] const SORT_40 mask_SORT_40 = (SORT_40)-1 >> (sizeof(SORT_40) * 8 - 2); [L42] const SORT_40 msb_SORT_40 = (SORT_40)1 << (2 - 1); [L44] const SORT_13 var_15 = 8; [L45] const SORT_19 var_20 = 7; [L46] const SORT_19 var_25 = 6; [L47] const SORT_19 var_30 = 5; [L48] const SORT_19 var_35 = 4; [L49] const SORT_40 var_41 = 3; [L50] const SORT_40 var_46 = 2; [L51] const SORT_1 var_51 = 1; [L52] const SORT_13 var_64 = 9; [L53] const SORT_11 var_81 = 0; [L54] const SORT_1 var_111 = 0; [L55] const SORT_3 var_268 = 0; [L57] SORT_1 input_2; [L58] SORT_3 input_4; [L59] SORT_1 input_5; [L60] SORT_1 input_6; [L61] SORT_1 input_7; [L62] SORT_1 input_8; [L63] SORT_3 input_9; [L64] SORT_1 input_109; [L66] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L67] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L68] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L68] SORT_3 state_18 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L69] SORT_3 state_24 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L70] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L70] SORT_3 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L71] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L71] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L72] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L72] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L73] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L73] SORT_3 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L74] SORT_3 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L75] SORT_3 state_55 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L76] SORT_11 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L79] SORT_11 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L80] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L80] SORT_3 state_87 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L82] SORT_11 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L84] SORT_1 init_92_arg_1 = var_51; [L85] state_91 = init_92_arg_1 VAL [mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_ushort() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_1 [L93] input_7 = input_7 & mask_SORT_1 [L94] input_8 = __VERIFIER_nondet_uchar() [L95] input_9 = __VERIFIER_nondet_ushort() [L96] input_109 = __VERIFIER_nondet_uchar() [L98] SORT_1 var_93_arg_0 = input_7; [L99] SORT_1 var_93_arg_1 = state_91; [L100] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L101] SORT_1 var_94_arg_0 = var_51; [L102] SORT_1 var_94 = ~var_94_arg_0; [L103] SORT_1 var_95_arg_0 = var_93; [L104] SORT_1 var_95_arg_1 = var_94; [L105] EXPR var_95_arg_0 | var_95_arg_1 [L105] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L106] EXPR var_95 & mask_SORT_1 [L106] var_95 = var_95 & mask_SORT_1 [L107] SORT_1 constr_96_arg_0 = var_95; VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L108] CALL assume_abort_if_not(constr_96_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L108] RET assume_abort_if_not(constr_96_arg_0) VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L109] SORT_13 var_65_arg_0 = var_64; [L110] EXPR var_65_arg_0 & mask_SORT_13 [L110] var_65_arg_0 = var_65_arg_0 & mask_SORT_13 [L111] SORT_11 var_65 = var_65_arg_0; [L112] SORT_11 var_66_arg_0 = state_60; [L113] SORT_11 var_66_arg_1 = var_65; [L114] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L115] SORT_1 var_97_arg_0 = var_66; [L116] SORT_1 var_97 = ~var_97_arg_0; [L117] SORT_1 var_98_arg_0 = input_6; [L118] SORT_1 var_98 = ~var_98_arg_0; [L119] SORT_1 var_99_arg_0 = var_97; [L120] SORT_1 var_99_arg_1 = var_98; [L121] EXPR var_99_arg_0 | var_99_arg_1 [L121] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L122] SORT_1 var_100_arg_0 = var_51; [L123] SORT_1 var_100 = ~var_100_arg_0; [L124] SORT_1 var_101_arg_0 = var_99; [L125] SORT_1 var_101_arg_1 = var_100; [L126] EXPR var_101_arg_0 | var_101_arg_1 [L126] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L127] EXPR var_101 & mask_SORT_1 [L127] var_101 = var_101 & mask_SORT_1 [L128] SORT_1 constr_102_arg_0 = var_101; VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=-1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L129] CALL assume_abort_if_not(constr_102_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L129] RET assume_abort_if_not(constr_102_arg_0) VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=-1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L130] SORT_11 var_61_arg_0 = state_60; [L131] SORT_1 var_61 = var_61_arg_0 != 0; [L132] SORT_1 var_62_arg_0 = var_61; [L133] SORT_1 var_62 = ~var_62_arg_0; [L134] SORT_1 var_103_arg_0 = var_62; [L135] SORT_1 var_103 = ~var_103_arg_0; [L136] SORT_1 var_104_arg_0 = input_5; [L137] SORT_1 var_104 = ~var_104_arg_0; [L138] SORT_1 var_105_arg_0 = var_103; [L139] SORT_1 var_105_arg_1 = var_104; [L140] EXPR var_105_arg_0 | var_105_arg_1 [L140] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L141] SORT_1 var_106_arg_0 = var_51; [L142] SORT_1 var_106 = ~var_106_arg_0; [L143] SORT_1 var_107_arg_0 = var_105; [L144] SORT_1 var_107_arg_1 = var_106; [L145] EXPR var_107_arg_0 | var_107_arg_1 [L145] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L146] EXPR var_107 & mask_SORT_1 [L146] var_107 = var_107 & mask_SORT_1 [L147] SORT_1 constr_108_arg_0 = var_107; VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=252, input_6=-1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L148] CALL assume_abort_if_not(constr_108_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L148] RET assume_abort_if_not(constr_108_arg_0) VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=252, input_6=-1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65534, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=1, state_68=0, state_69=1, state_72=1, state_87=65535, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L150] SORT_1 var_112_arg_0 = state_91; [L151] SORT_1 var_112_arg_1 = var_111; [L152] SORT_1 var_112_arg_2 = var_51; [L153] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L154] SORT_1 var_70_arg_0 = state_69; [L155] SORT_1 var_70 = ~var_70_arg_0; [L156] SORT_1 var_71_arg_0 = state_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] EXPR var_71_arg_0 & var_71_arg_1 [L158] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L159] SORT_11 var_73_arg_0 = state_72; [L160] SORT_1 var_73 = var_73_arg_0 != 0; [L161] SORT_1 var_74_arg_0 = var_71; [L162] SORT_1 var_74_arg_1 = var_73; [L163] EXPR var_74_arg_0 & var_74_arg_1 [L163] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L164] SORT_1 var_75_arg_0 = state_68; [L165] SORT_1 var_75 = ~var_75_arg_0; [L166] SORT_1 var_76_arg_0 = input_6; [L167] SORT_1 var_76_arg_1 = var_75; [L168] EXPR var_76_arg_0 & var_76_arg_1 [L168] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L169] SORT_1 var_77_arg_0 = var_76; [L170] EXPR var_77_arg_0 & mask_SORT_1 [L170] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L171] SORT_11 var_77 = var_77_arg_0; [L172] SORT_11 var_78_arg_0 = state_72; [L173] SORT_11 var_78_arg_1 = var_77; [L174] SORT_11 var_78 = var_78_arg_0 + var_78_arg_1; [L175] SORT_1 var_79_arg_0 = input_5; [L176] EXPR var_79_arg_0 & mask_SORT_1 [L176] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L177] SORT_11 var_79 = var_79_arg_0; [L178] SORT_11 var_80_arg_0 = var_78; [L179] SORT_11 var_80_arg_1 = var_79; [L180] SORT_11 var_80 = var_80_arg_0 - var_80_arg_1; [L181] SORT_1 var_82_arg_0 = input_7; [L182] SORT_11 var_82_arg_1 = var_81; [L183] SORT_11 var_82_arg_2 = var_80; [L184] SORT_11 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L185] EXPR var_82 & mask_SORT_11 [L185] var_82 = var_82 & mask_SORT_11 [L186] SORT_11 var_83_arg_0 = var_82; [L187] SORT_1 var_83 = var_83_arg_0 != 0; [L188] SORT_1 var_84_arg_0 = var_83; [L189] SORT_1 var_84 = ~var_84_arg_0; [L190] SORT_1 var_85_arg_0 = var_74; [L191] SORT_1 var_85_arg_1 = var_84; [L192] EXPR var_85_arg_0 & var_85_arg_1 [L192] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L193] SORT_1 var_86_arg_0 = var_85; [L194] SORT_1 var_86 = ~var_86_arg_0; [L195] SORT_11 var_14_arg_0 = state_12; [L196] SORT_13 var_14 = var_14_arg_0 >> 0; [L197] EXPR var_14 & mask_SORT_13 [L197] var_14 = var_14 & mask_SORT_13 [L198] SORT_13 var_56_arg_0 = var_14; [L199] SORT_1 var_56 = var_56_arg_0 != 0; [L200] SORT_1 var_57_arg_0 = var_56; [L201] SORT_1 var_57 = ~var_57_arg_0; [L202] EXPR var_57 & mask_SORT_1 [L202] var_57 = var_57 & mask_SORT_1 [L203] SORT_1 var_52_arg_0 = var_51; [L204] EXPR var_52_arg_0 & mask_SORT_1 [L204] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L205] SORT_13 var_52 = var_52_arg_0; [L206] SORT_13 var_53_arg_0 = var_14; [L207] SORT_13 var_53_arg_1 = var_52; [L208] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L209] SORT_40 var_47_arg_0 = var_46; [L210] EXPR var_47_arg_0 & mask_SORT_40 [L210] var_47_arg_0 = var_47_arg_0 & mask_SORT_40 [L211] SORT_13 var_47 = var_47_arg_0; [L212] SORT_13 var_48_arg_0 = var_14; [L213] SORT_13 var_48_arg_1 = var_47; [L214] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L215] SORT_40 var_42_arg_0 = var_41; [L216] EXPR var_42_arg_0 & mask_SORT_40 [L216] var_42_arg_0 = var_42_arg_0 & mask_SORT_40 [L217] SORT_13 var_42 = var_42_arg_0; [L218] SORT_13 var_43_arg_0 = var_14; [L219] SORT_13 var_43_arg_1 = var_42; [L220] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L221] SORT_19 var_36_arg_0 = var_35; [L222] EXPR var_36_arg_0 & mask_SORT_19 [L222] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L223] SORT_13 var_36 = var_36_arg_0; [L224] SORT_13 var_37_arg_0 = var_14; [L225] SORT_13 var_37_arg_1 = var_36; [L226] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L227] SORT_19 var_31_arg_0 = var_30; [L228] EXPR var_31_arg_0 & mask_SORT_19 [L228] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L229] SORT_13 var_31 = var_31_arg_0; [L230] SORT_13 var_32_arg_0 = var_14; [L231] SORT_13 var_32_arg_1 = var_31; [L232] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L233] SORT_19 var_26_arg_0 = var_25; [L234] EXPR var_26_arg_0 & mask_SORT_19 [L234] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L235] SORT_13 var_26 = var_26_arg_0; [L236] SORT_13 var_27_arg_0 = var_14; [L237] SORT_13 var_27_arg_1 = var_26; [L238] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L239] SORT_19 var_21_arg_0 = var_20; [L240] EXPR var_21_arg_0 & mask_SORT_19 [L240] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L241] SORT_13 var_21 = var_21_arg_0; [L242] SORT_13 var_22_arg_0 = var_14; [L243] SORT_13 var_22_arg_1 = var_21; [L244] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L245] SORT_13 var_16_arg_0 = var_14; [L246] SORT_13 var_16_arg_1 = var_15; [L247] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L248] SORT_1 var_17_arg_0 = var_16; [L249] SORT_3 var_17_arg_1 = state_10; [L250] SORT_3 var_17_arg_2 = input_9; [L251] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L252] SORT_1 var_23_arg_0 = var_22; [L253] SORT_3 var_23_arg_1 = state_18; [L254] SORT_3 var_23_arg_2 = var_17; [L255] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L256] SORT_1 var_28_arg_0 = var_27; [L257] SORT_3 var_28_arg_1 = state_24; [L258] SORT_3 var_28_arg_2 = var_23; [L259] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L260] SORT_1 var_33_arg_0 = var_32; [L261] SORT_3 var_33_arg_1 = state_29; [L262] SORT_3 var_33_arg_2 = var_28; [L263] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L264] SORT_1 var_38_arg_0 = var_37; [L265] SORT_3 var_38_arg_1 = state_34; [L266] SORT_3 var_38_arg_2 = var_33; [L267] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L268] SORT_1 var_44_arg_0 = var_43; [L269] SORT_3 var_44_arg_1 = state_39; [L270] SORT_3 var_44_arg_2 = var_38; [L271] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L272] SORT_1 var_49_arg_0 = var_48; [L273] SORT_3 var_49_arg_1 = state_45; [L274] SORT_3 var_49_arg_2 = var_44; [L275] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L276] SORT_1 var_54_arg_0 = var_53; [L277] SORT_3 var_54_arg_1 = state_50; [L278] SORT_3 var_54_arg_2 = var_49; [L279] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L280] SORT_1 var_58_arg_0 = var_57; [L281] SORT_3 var_58_arg_1 = state_55; [L282] SORT_3 var_58_arg_2 = var_54; [L283] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L284] EXPR var_58 & mask_SORT_3 [L284] var_58 = var_58 & mask_SORT_3 [L285] SORT_3 var_88_arg_0 = state_87; [L286] SORT_3 var_88_arg_1 = var_58; [L287] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L288] SORT_1 var_89_arg_0 = var_86; [L289] SORT_1 var_89_arg_1 = var_88; [L290] EXPR var_89_arg_0 | var_89_arg_1 [L290] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L291] SORT_1 var_110_arg_0 = state_91; [L292] SORT_1 var_110_arg_1 = input_109; [L293] SORT_1 var_110_arg_2 = var_89; [L294] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L295] SORT_1 var_113_arg_0 = var_110; [L296] SORT_1 var_113 = ~var_113_arg_0; [L297] SORT_1 var_114_arg_0 = var_112; [L298] SORT_1 var_114_arg_1 = var_113; [L299] EXPR var_114_arg_0 & var_114_arg_1 [L299] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L300] EXPR var_114 & mask_SORT_1 [L300] var_114 = var_114 & mask_SORT_1 [L301] SORT_1 bad_115_arg_0 = var_114; [L302] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L21] COND FALSE !(!(cond)) [L302] RET __VERIFIER_assert(!(bad_115_arg_0)) [L304] SORT_11 var_137_arg_0 = state_136; [L305] SORT_13 var_137 = var_137_arg_0 >> 0; [L306] EXPR var_137 & mask_SORT_13 [L306] var_137 = var_137 & mask_SORT_13 [L307] SORT_13 var_194_arg_0 = var_137; [L308] SORT_13 var_194_arg_1 = var_15; [L309] SORT_1 var_194 = var_194_arg_0 == var_194_arg_1; [L310] SORT_1 var_195_arg_0 = input_6; [L311] SORT_1 var_195_arg_1 = var_194; [L312] EXPR var_195_arg_0 & var_195_arg_1 [L312] SORT_1 var_195 = var_195_arg_0 & var_195_arg_1; [L313] EXPR var_195 & mask_SORT_1 [L313] var_195 = var_195 & mask_SORT_1 [L314] SORT_1 var_267_arg_0 = var_195; [L315] SORT_3 var_267_arg_1 = input_4; [L316] SORT_3 var_267_arg_2 = state_10; [L317] SORT_3 var_267 = var_267_arg_0 ? var_267_arg_1 : var_267_arg_2; [L318] SORT_1 var_269_arg_0 = input_7; [L319] SORT_3 var_269_arg_1 = var_268; [L320] SORT_3 var_269_arg_2 = var_267; [L321] SORT_3 var_269 = var_269_arg_0 ? var_269_arg_1 : var_269_arg_2; [L322] SORT_3 next_270_arg_1 = var_269; [L323] SORT_1 var_119_arg_0 = input_6; [L324] SORT_1 var_119_arg_1 = input_5; [L325] EXPR var_119_arg_0 | var_119_arg_1 [L325] SORT_1 var_119 = var_119_arg_0 | var_119_arg_1; [L326] SORT_1 var_120_arg_0 = var_119; [L327] SORT_1 var_120_arg_1 = input_7; [L328] EXPR var_120_arg_0 | var_120_arg_1 [L328] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L329] EXPR var_120 & mask_SORT_1 [L329] var_120 = var_120 & mask_SORT_1 [L330] SORT_1 var_198_arg_0 = input_5; [L331] EXPR var_198_arg_0 & mask_SORT_1 [L331] var_198_arg_0 = var_198_arg_0 & mask_SORT_1 [L332] SORT_11 var_198 = var_198_arg_0; [L333] SORT_11 var_199_arg_0 = state_12; [L334] SORT_11 var_199_arg_1 = var_198; [L335] SORT_11 var_199 = var_199_arg_0 + var_199_arg_1; [L336] SORT_1 var_271_arg_0 = var_120; [L337] SORT_11 var_271_arg_1 = var_199; [L338] SORT_11 var_271_arg_2 = state_12; [L339] SORT_11 var_271 = var_271_arg_0 ? var_271_arg_1 : var_271_arg_2; [L340] SORT_1 var_272_arg_0 = input_7; [L341] SORT_11 var_272_arg_1 = var_81; [L342] SORT_11 var_272_arg_2 = var_271; [L343] SORT_11 var_272 = var_272_arg_0 ? var_272_arg_1 : var_272_arg_2; [L344] SORT_11 next_273_arg_1 = var_272; [L345] SORT_19 var_187_arg_0 = var_20; [L346] EXPR var_187_arg_0 & mask_SORT_19 [L346] var_187_arg_0 = var_187_arg_0 & mask_SORT_19 [L347] SORT_13 var_187 = var_187_arg_0; [L348] SORT_13 var_188_arg_0 = var_137; [L349] SORT_13 var_188_arg_1 = var_187; [L350] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L351] SORT_1 var_189_arg_0 = input_6; [L352] SORT_1 var_189_arg_1 = var_188; [L353] EXPR var_189_arg_0 & var_189_arg_1 [L353] SORT_1 var_189 = var_189_arg_0 & var_189_arg_1; [L354] EXPR var_189 & mask_SORT_1 [L354] var_189 = var_189 & mask_SORT_1 [L355] SORT_1 var_274_arg_0 = var_189; [L356] SORT_3 var_274_arg_1 = input_4; [L357] SORT_3 var_274_arg_2 = state_18; [L358] SORT_3 var_274 = var_274_arg_0 ? var_274_arg_1 : var_274_arg_2; [L359] SORT_1 var_275_arg_0 = input_7; [L360] SORT_3 var_275_arg_1 = var_268; [L361] SORT_3 var_275_arg_2 = var_274; [L362] SORT_3 var_275 = var_275_arg_0 ? var_275_arg_1 : var_275_arg_2; [L363] SORT_3 next_276_arg_1 = var_275; [L364] SORT_19 var_180_arg_0 = var_25; [L365] EXPR var_180_arg_0 & mask_SORT_19 [L365] var_180_arg_0 = var_180_arg_0 & mask_SORT_19 [L366] SORT_13 var_180 = var_180_arg_0; [L367] SORT_13 var_181_arg_0 = var_137; [L368] SORT_13 var_181_arg_1 = var_180; [L369] SORT_1 var_181 = var_181_arg_0 == var_181_arg_1; [L370] SORT_1 var_182_arg_0 = input_6; [L371] SORT_1 var_182_arg_1 = var_181; [L372] EXPR var_182_arg_0 & var_182_arg_1 [L372] SORT_1 var_182 = var_182_arg_0 & var_182_arg_1; [L373] EXPR var_182 & mask_SORT_1 [L373] var_182 = var_182 & mask_SORT_1 [L374] SORT_1 var_277_arg_0 = var_182; [L375] SORT_3 var_277_arg_1 = input_4; [L376] SORT_3 var_277_arg_2 = state_24; [L377] SORT_3 var_277 = var_277_arg_0 ? var_277_arg_1 : var_277_arg_2; [L378] SORT_1 var_278_arg_0 = input_7; [L379] SORT_3 var_278_arg_1 = var_268; [L380] SORT_3 var_278_arg_2 = var_277; [L381] SORT_3 var_278 = var_278_arg_0 ? var_278_arg_1 : var_278_arg_2; [L382] SORT_3 next_279_arg_1 = var_278; [L383] SORT_19 var_173_arg_0 = var_30; [L384] EXPR var_173_arg_0 & mask_SORT_19 [L384] var_173_arg_0 = var_173_arg_0 & mask_SORT_19 [L385] SORT_13 var_173 = var_173_arg_0; [L386] SORT_13 var_174_arg_0 = var_137; [L387] SORT_13 var_174_arg_1 = var_173; [L388] SORT_1 var_174 = var_174_arg_0 == var_174_arg_1; [L389] SORT_1 var_175_arg_0 = input_6; [L390] SORT_1 var_175_arg_1 = var_174; [L391] EXPR var_175_arg_0 & var_175_arg_1 [L391] SORT_1 var_175 = var_175_arg_0 & var_175_arg_1; [L392] EXPR var_175 & mask_SORT_1 [L392] var_175 = var_175 & mask_SORT_1 [L393] SORT_1 var_280_arg_0 = var_175; [L394] SORT_3 var_280_arg_1 = input_4; [L395] SORT_3 var_280_arg_2 = state_29; [L396] SORT_3 var_280 = var_280_arg_0 ? var_280_arg_1 : var_280_arg_2; [L397] SORT_1 var_281_arg_0 = input_7; [L398] SORT_3 var_281_arg_1 = var_268; [L399] SORT_3 var_281_arg_2 = var_280; [L400] SORT_3 var_281 = var_281_arg_0 ? var_281_arg_1 : var_281_arg_2; [L401] SORT_3 next_282_arg_1 = var_281; [L402] SORT_19 var_166_arg_0 = var_35; [L403] EXPR var_166_arg_0 & mask_SORT_19 [L403] var_166_arg_0 = var_166_arg_0 & mask_SORT_19 [L404] SORT_13 var_166 = var_166_arg_0; [L405] SORT_13 var_167_arg_0 = var_137; [L406] SORT_13 var_167_arg_1 = var_166; [L407] SORT_1 var_167 = var_167_arg_0 == var_167_arg_1; [L408] SORT_1 var_168_arg_0 = input_6; [L409] SORT_1 var_168_arg_1 = var_167; [L410] EXPR var_168_arg_0 & var_168_arg_1 [L410] SORT_1 var_168 = var_168_arg_0 & var_168_arg_1; [L411] EXPR var_168 & mask_SORT_1 [L411] var_168 = var_168 & mask_SORT_1 [L412] SORT_1 var_283_arg_0 = var_168; [L413] SORT_3 var_283_arg_1 = input_4; [L414] SORT_3 var_283_arg_2 = state_34; [L415] SORT_3 var_283 = var_283_arg_0 ? var_283_arg_1 : var_283_arg_2; [L416] SORT_1 var_284_arg_0 = input_7; [L417] SORT_3 var_284_arg_1 = var_268; [L418] SORT_3 var_284_arg_2 = var_283; [L419] SORT_3 var_284 = var_284_arg_0 ? var_284_arg_1 : var_284_arg_2; [L420] SORT_3 next_285_arg_1 = var_284; [L421] SORT_40 var_159_arg_0 = var_41; [L422] EXPR var_159_arg_0 & mask_SORT_40 [L422] var_159_arg_0 = var_159_arg_0 & mask_SORT_40 [L423] SORT_13 var_159 = var_159_arg_0; [L424] SORT_13 var_160_arg_0 = var_137; [L425] SORT_13 var_160_arg_1 = var_159; [L426] SORT_1 var_160 = var_160_arg_0 == var_160_arg_1; [L427] SORT_1 var_161_arg_0 = input_6; [L428] SORT_1 var_161_arg_1 = var_160; [L429] EXPR var_161_arg_0 & var_161_arg_1 [L429] SORT_1 var_161 = var_161_arg_0 & var_161_arg_1; [L430] EXPR var_161 & mask_SORT_1 [L430] var_161 = var_161 & mask_SORT_1 [L431] SORT_1 var_286_arg_0 = var_161; [L432] SORT_3 var_286_arg_1 = input_4; [L433] SORT_3 var_286_arg_2 = state_39; [L434] SORT_3 var_286 = var_286_arg_0 ? var_286_arg_1 : var_286_arg_2; [L435] SORT_1 var_287_arg_0 = input_7; [L436] SORT_3 var_287_arg_1 = var_268; [L437] SORT_3 var_287_arg_2 = var_286; [L438] SORT_3 var_287 = var_287_arg_0 ? var_287_arg_1 : var_287_arg_2; [L439] SORT_3 next_288_arg_1 = var_287; [L440] SORT_40 var_152_arg_0 = var_46; [L441] EXPR var_152_arg_0 & mask_SORT_40 [L441] var_152_arg_0 = var_152_arg_0 & mask_SORT_40 [L442] SORT_13 var_152 = var_152_arg_0; [L443] SORT_13 var_153_arg_0 = var_137; [L444] SORT_13 var_153_arg_1 = var_152; [L445] SORT_1 var_153 = var_153_arg_0 == var_153_arg_1; [L446] SORT_1 var_154_arg_0 = input_6; [L447] SORT_1 var_154_arg_1 = var_153; [L448] EXPR var_154_arg_0 & var_154_arg_1 [L448] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L449] EXPR var_154 & mask_SORT_1 [L449] var_154 = var_154 & mask_SORT_1 [L450] SORT_1 var_289_arg_0 = var_154; [L451] SORT_3 var_289_arg_1 = input_4; [L452] SORT_3 var_289_arg_2 = state_45; [L453] SORT_3 var_289 = var_289_arg_0 ? var_289_arg_1 : var_289_arg_2; [L454] SORT_1 var_290_arg_0 = input_7; [L455] SORT_3 var_290_arg_1 = var_268; [L456] SORT_3 var_290_arg_2 = var_289; [L457] SORT_3 var_290 = var_290_arg_0 ? var_290_arg_1 : var_290_arg_2; [L458] SORT_3 next_291_arg_1 = var_290; [L459] SORT_1 var_145_arg_0 = var_51; [L460] EXPR var_145_arg_0 & mask_SORT_1 [L460] var_145_arg_0 = var_145_arg_0 & mask_SORT_1 [L461] SORT_13 var_145 = var_145_arg_0; [L462] SORT_13 var_146_arg_0 = var_137; [L463] SORT_13 var_146_arg_1 = var_145; [L464] SORT_1 var_146 = var_146_arg_0 == var_146_arg_1; [L465] SORT_1 var_147_arg_0 = input_6; [L466] SORT_1 var_147_arg_1 = var_146; [L467] EXPR var_147_arg_0 & var_147_arg_1 [L467] SORT_1 var_147 = var_147_arg_0 & var_147_arg_1; [L468] EXPR var_147 & mask_SORT_1 [L468] var_147 = var_147 & mask_SORT_1 [L469] SORT_1 var_292_arg_0 = var_147; [L470] SORT_3 var_292_arg_1 = input_4; [L471] SORT_3 var_292_arg_2 = state_50; [L472] SORT_3 var_292 = var_292_arg_0 ? var_292_arg_1 : var_292_arg_2; [L473] SORT_1 var_293_arg_0 = input_7; [L474] SORT_3 var_293_arg_1 = var_268; [L475] SORT_3 var_293_arg_2 = var_292; [L476] SORT_3 var_293 = var_293_arg_0 ? var_293_arg_1 : var_293_arg_2; [L477] SORT_3 next_294_arg_1 = var_293; [L478] SORT_13 var_138_arg_0 = var_137; [L479] SORT_1 var_138 = var_138_arg_0 != 0; [L480] SORT_1 var_139_arg_0 = var_138; [L481] SORT_1 var_139 = ~var_139_arg_0; [L482] SORT_1 var_140_arg_0 = input_6; [L483] SORT_1 var_140_arg_1 = var_139; [L484] EXPR var_140_arg_0 & var_140_arg_1 [L484] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L485] EXPR var_140 & mask_SORT_1 [L485] var_140 = var_140 & mask_SORT_1 [L486] SORT_1 var_295_arg_0 = var_140; [L487] SORT_3 var_295_arg_1 = input_4; [L488] SORT_3 var_295_arg_2 = state_55; [L489] SORT_3 var_295 = var_295_arg_0 ? var_295_arg_1 : var_295_arg_2; [L490] SORT_1 var_296_arg_0 = input_7; [L491] SORT_3 var_296_arg_1 = var_268; [L492] SORT_3 var_296_arg_2 = var_295; [L493] SORT_3 var_296 = var_296_arg_0 ? var_296_arg_1 : var_296_arg_2; [L494] SORT_3 next_297_arg_1 = var_296; [L495] SORT_1 var_298_arg_0 = input_6; [L496] EXPR var_298_arg_0 & mask_SORT_1 [L496] var_298_arg_0 = var_298_arg_0 & mask_SORT_1 [L497] SORT_11 var_298 = var_298_arg_0; [L498] SORT_11 var_299_arg_0 = state_60; [L499] SORT_11 var_299_arg_1 = var_298; [L500] SORT_11 var_299 = var_299_arg_0 + var_299_arg_1; [L501] SORT_1 var_300_arg_0 = input_5; [L502] EXPR var_300_arg_0 & mask_SORT_1 [L502] var_300_arg_0 = var_300_arg_0 & mask_SORT_1 [L503] SORT_11 var_300 = var_300_arg_0; [L504] SORT_11 var_301_arg_0 = var_299; [L505] SORT_11 var_301_arg_1 = var_300; [L506] SORT_11 var_301 = var_301_arg_0 - var_301_arg_1; [L507] SORT_1 var_302_arg_0 = input_7; [L508] SORT_11 var_302_arg_1 = var_81; [L509] SORT_11 var_302_arg_2 = var_301; [L510] SORT_11 var_302 = var_302_arg_0 ? var_302_arg_1 : var_302_arg_2; [L511] EXPR var_302 & mask_SORT_11 [L511] var_302 = var_302 & mask_SORT_11 [L512] SORT_11 next_303_arg_1 = var_302; [L513] SORT_1 var_228_arg_0 = state_68; [L514] SORT_1 var_228 = ~var_228_arg_0; [L515] EXPR var_228 & mask_SORT_1 [L515] var_228 = var_228 & mask_SORT_1 [L516] SORT_1 var_224_arg_0 = input_8; [L517] SORT_1 var_224_arg_1 = input_6; [L518] EXPR var_224_arg_0 & var_224_arg_1 [L518] SORT_1 var_224 = var_224_arg_0 & var_224_arg_1; [L519] SORT_1 var_225_arg_0 = state_68; [L520] SORT_1 var_225_arg_1 = var_224; [L521] EXPR var_225_arg_0 | var_225_arg_1 [L521] SORT_1 var_225 = var_225_arg_0 | var_225_arg_1; [L522] SORT_1 var_304_arg_0 = var_228; [L523] SORT_1 var_304_arg_1 = var_225; [L524] SORT_1 var_304_arg_2 = state_68; [L525] SORT_1 var_304 = var_304_arg_0 ? var_304_arg_1 : var_304_arg_2; [L526] SORT_1 var_305_arg_0 = input_7; [L527] SORT_1 var_305_arg_1 = var_111; [L528] SORT_1 var_305_arg_2 = var_304; [L529] SORT_1 var_305 = var_305_arg_0 ? var_305_arg_1 : var_305_arg_2; [L530] SORT_1 next_306_arg_1 = var_305; [L531] SORT_1 var_236_arg_0 = var_85; [L532] SORT_1 var_236_arg_1 = state_69; [L533] EXPR var_236_arg_0 | var_236_arg_1 [L533] SORT_1 var_236 = var_236_arg_0 | var_236_arg_1; [L534] SORT_1 var_307_arg_0 = var_51; [L535] SORT_1 var_307_arg_1 = var_236; [L536] SORT_1 var_307_arg_2 = state_69; [L537] SORT_1 var_307 = var_307_arg_0 ? var_307_arg_1 : var_307_arg_2; [L538] SORT_1 var_308_arg_0 = input_7; [L539] SORT_1 var_308_arg_1 = var_111; [L540] SORT_1 var_308_arg_2 = var_307; [L541] SORT_1 var_308 = var_308_arg_0 ? var_308_arg_1 : var_308_arg_2; [L542] SORT_1 next_309_arg_1 = var_308; [L543] SORT_1 var_248_arg_0 = input_6; [L544] SORT_1 var_248_arg_1 = input_5; [L545] EXPR var_248_arg_0 | var_248_arg_1 [L545] SORT_1 var_248 = var_248_arg_0 | var_248_arg_1; [L546] SORT_1 var_249_arg_0 = var_248; [L547] SORT_1 var_249_arg_1 = input_7; [L548] EXPR var_249_arg_0 | var_249_arg_1 [L548] SORT_1 var_249 = var_249_arg_0 | var_249_arg_1; [L549] SORT_1 var_250_arg_0 = var_249; [L550] SORT_1 var_250_arg_1 = state_68; [L551] EXPR var_250_arg_0 | var_250_arg_1 [L551] SORT_1 var_250 = var_250_arg_0 | var_250_arg_1; [L552] EXPR var_250 & mask_SORT_1 [L552] var_250 = var_250 & mask_SORT_1 [L553] SORT_1 var_310_arg_0 = var_250; [L554] SORT_11 var_310_arg_1 = var_82; [L555] SORT_11 var_310_arg_2 = state_72; [L556] SORT_11 var_310 = var_310_arg_0 ? var_310_arg_1 : var_310_arg_2; [L557] SORT_1 var_311_arg_0 = input_7; [L558] SORT_11 var_311_arg_1 = var_81; [L559] SORT_11 var_311_arg_2 = var_310; [L560] SORT_11 var_311 = var_311_arg_0 ? var_311_arg_1 : var_311_arg_2; [L561] EXPR var_311 & mask_SORT_11 [L561] var_311 = var_311 & mask_SORT_11 [L562] SORT_11 next_312_arg_1 = var_311; [L563] SORT_1 var_233_arg_0 = var_224; [L564] SORT_1 var_233_arg_1 = var_228; [L565] EXPR var_233_arg_0 & var_233_arg_1 [L565] SORT_1 var_233 = var_233_arg_0 & var_233_arg_1; [L566] EXPR var_233 & mask_SORT_1 [L566] var_233 = var_233 & mask_SORT_1 [L567] SORT_1 var_313_arg_0 = var_233; [L568] SORT_3 var_313_arg_1 = input_4; [L569] SORT_3 var_313_arg_2 = state_87; [L570] SORT_3 var_313 = var_313_arg_0 ? var_313_arg_1 : var_313_arg_2; [L571] SORT_1 var_314_arg_0 = input_7; [L572] SORT_3 var_314_arg_1 = var_268; [L573] SORT_3 var_314_arg_2 = var_313; [L574] SORT_3 var_314 = var_314_arg_0 ? var_314_arg_1 : var_314_arg_2; [L575] EXPR var_314 & mask_SORT_3 [L575] var_314 = var_314 & mask_SORT_3 [L576] SORT_3 next_315_arg_1 = var_314; [L577] SORT_1 next_316_arg_1 = var_111; [L578] SORT_1 var_204_arg_0 = input_6; [L579] EXPR var_204_arg_0 & mask_SORT_1 [L579] var_204_arg_0 = var_204_arg_0 & mask_SORT_1 [L580] SORT_11 var_204 = var_204_arg_0; [L581] SORT_11 var_205_arg_0 = state_136; [L582] SORT_11 var_205_arg_1 = var_204; [L583] SORT_11 var_205 = var_205_arg_0 + var_205_arg_1; [L584] SORT_1 var_317_arg_0 = var_120; [L585] SORT_11 var_317_arg_1 = var_205; [L586] SORT_11 var_317_arg_2 = state_136; [L587] SORT_11 var_317 = var_317_arg_0 ? var_317_arg_1 : var_317_arg_2; [L588] SORT_1 var_318_arg_0 = input_7; [L589] SORT_11 var_318_arg_1 = var_81; [L590] SORT_11 var_318_arg_2 = var_317; [L591] SORT_11 var_318 = var_318_arg_0 ? var_318_arg_1 : var_318_arg_2; [L592] SORT_11 next_319_arg_1 = var_318; [L594] state_10 = next_270_arg_1 [L595] state_12 = next_273_arg_1 [L596] state_18 = next_276_arg_1 [L597] state_24 = next_279_arg_1 [L598] state_29 = next_282_arg_1 [L599] state_34 = next_285_arg_1 [L600] state_39 = next_288_arg_1 [L601] state_45 = next_291_arg_1 [L602] state_50 = next_294_arg_1 [L603] state_55 = next_297_arg_1 [L604] state_60 = next_303_arg_1 [L605] state_68 = next_306_arg_1 [L606] state_69 = next_309_arg_1 [L607] state_72 = next_312_arg_1 [L608] state_87 = next_315_arg_1 [L609] state_91 = next_316_arg_1 [L610] state_136 = next_319_arg_1 [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_ushort() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_1 [L93] input_7 = input_7 & mask_SORT_1 [L94] input_8 = __VERIFIER_nondet_uchar() [L95] input_9 = __VERIFIER_nondet_ushort() [L96] input_109 = __VERIFIER_nondet_uchar() [L98] SORT_1 var_93_arg_0 = input_7; [L99] SORT_1 var_93_arg_1 = state_91; [L100] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L101] SORT_1 var_94_arg_0 = var_51; [L102] SORT_1 var_94 = ~var_94_arg_0; [L103] SORT_1 var_95_arg_0 = var_93; [L104] SORT_1 var_95_arg_1 = var_94; [L105] EXPR var_95_arg_0 | var_95_arg_1 [L105] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L106] EXPR var_95 & mask_SORT_1 [L106] var_95 = var_95 & mask_SORT_1 [L107] SORT_1 constr_96_arg_0 = var_95; VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65535, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=0, state_68=255, state_69=1, state_72=1, state_87=65535, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L108] CALL assume_abort_if_not(constr_96_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L108] RET assume_abort_if_not(constr_96_arg_0) VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65535, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=0, state_68=255, state_69=1, state_72=1, state_87=65535, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L109] SORT_13 var_65_arg_0 = var_64; [L110] EXPR var_65_arg_0 & mask_SORT_13 [L110] var_65_arg_0 = var_65_arg_0 & mask_SORT_13 [L111] SORT_11 var_65 = var_65_arg_0; [L112] SORT_11 var_66_arg_0 = state_60; [L113] SORT_11 var_66_arg_1 = var_65; [L114] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L115] SORT_1 var_97_arg_0 = var_66; [L116] SORT_1 var_97 = ~var_97_arg_0; [L117] SORT_1 var_98_arg_0 = input_6; [L118] SORT_1 var_98 = ~var_98_arg_0; [L119] SORT_1 var_99_arg_0 = var_97; [L120] SORT_1 var_99_arg_1 = var_98; [L121] EXPR var_99_arg_0 | var_99_arg_1 [L121] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L122] SORT_1 var_100_arg_0 = var_51; [L123] SORT_1 var_100 = ~var_100_arg_0; [L124] SORT_1 var_101_arg_0 = var_99; [L125] SORT_1 var_101_arg_1 = var_100; [L126] EXPR var_101_arg_0 | var_101_arg_1 [L126] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L127] EXPR var_101 & mask_SORT_1 [L127] var_101 = var_101 & mask_SORT_1 [L128] SORT_1 constr_102_arg_0 = var_101; VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=-256, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65535, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=0, state_68=255, state_69=1, state_72=1, state_87=65535, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L129] CALL assume_abort_if_not(constr_102_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L129] RET assume_abort_if_not(constr_102_arg_0) VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=-256, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65535, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=0, state_68=255, state_69=1, state_72=1, state_87=65535, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L130] SORT_11 var_61_arg_0 = state_60; [L131] SORT_1 var_61 = var_61_arg_0 != 0; [L132] SORT_1 var_62_arg_0 = var_61; [L133] SORT_1 var_62 = ~var_62_arg_0; [L134] SORT_1 var_103_arg_0 = var_62; [L135] SORT_1 var_103 = ~var_103_arg_0; [L136] SORT_1 var_104_arg_0 = input_5; [L137] SORT_1 var_104 = ~var_104_arg_0; [L138] SORT_1 var_105_arg_0 = var_103; [L139] SORT_1 var_105_arg_1 = var_104; [L140] EXPR var_105_arg_0 | var_105_arg_1 [L140] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L141] SORT_1 var_106_arg_0 = var_51; [L142] SORT_1 var_106 = ~var_106_arg_0; [L143] SORT_1 var_107_arg_0 = var_105; [L144] SORT_1 var_107_arg_1 = var_106; [L145] EXPR var_107_arg_0 | var_107_arg_1 [L145] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L146] EXPR var_107 & mask_SORT_1 [L146] var_107 = var_107 & mask_SORT_1 [L147] SORT_1 constr_108_arg_0 = var_107; VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=252, input_6=-256, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65535, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=0, state_68=255, state_69=1, state_72=1, state_87=65535, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L148] CALL assume_abort_if_not(constr_108_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L148] RET assume_abort_if_not(constr_108_arg_0) VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=252, input_6=-256, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=65535, state_12=14, state_136=14, state_18=65535, state_24=65535, state_29=0, state_34=65535, state_39=0, state_45=0, state_50=65535, state_55=65535, state_60=0, state_68=255, state_69=1, state_72=1, state_87=65535, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L150] SORT_1 var_112_arg_0 = state_91; [L151] SORT_1 var_112_arg_1 = var_111; [L152] SORT_1 var_112_arg_2 = var_51; [L153] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L154] SORT_1 var_70_arg_0 = state_69; [L155] SORT_1 var_70 = ~var_70_arg_0; [L156] SORT_1 var_71_arg_0 = state_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] EXPR var_71_arg_0 & var_71_arg_1 [L158] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L159] SORT_11 var_73_arg_0 = state_72; [L160] SORT_1 var_73 = var_73_arg_0 != 0; [L161] SORT_1 var_74_arg_0 = var_71; [L162] SORT_1 var_74_arg_1 = var_73; [L163] EXPR var_74_arg_0 & var_74_arg_1 [L163] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L164] SORT_1 var_75_arg_0 = state_68; [L165] SORT_1 var_75 = ~var_75_arg_0; [L166] SORT_1 var_76_arg_0 = input_6; [L167] SORT_1 var_76_arg_1 = var_75; [L168] EXPR var_76_arg_0 & var_76_arg_1 [L168] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L169] SORT_1 var_77_arg_0 = var_76; [L170] EXPR var_77_arg_0 & mask_SORT_1 [L170] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L171] SORT_11 var_77 = var_77_arg_0; [L172] SORT_11 var_78_arg_0 = state_72; [L173] SORT_11 var_78_arg_1 = var_77; [L174] SORT_11 var_78 = var_78_arg_0 + var_78_arg_1; [L175] SORT_1 var_79_arg_0 = input_5; [L176] EXPR var_79_arg_0 & mask_SORT_1 [L176] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L177] SORT_11 var_79 = var_79_arg_0; [L178] SORT_11 var_80_arg_0 = var_78; [L179] SORT_11 var_80_arg_1 = var_79; [L180] SORT_11 var_80 = var_80_arg_0 - var_80_arg_1; [L181] SORT_1 var_82_arg_0 = input_7; [L182] SORT_11 var_82_arg_1 = var_81; [L183] SORT_11 var_82_arg_2 = var_80; [L184] SORT_11 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L185] EXPR var_82 & mask_SORT_11 [L185] var_82 = var_82 & mask_SORT_11 [L186] SORT_11 var_83_arg_0 = var_82; [L187] SORT_1 var_83 = var_83_arg_0 != 0; [L188] SORT_1 var_84_arg_0 = var_83; [L189] SORT_1 var_84 = ~var_84_arg_0; [L190] SORT_1 var_85_arg_0 = var_74; [L191] SORT_1 var_85_arg_1 = var_84; [L192] EXPR var_85_arg_0 & var_85_arg_1 [L192] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L193] SORT_1 var_86_arg_0 = var_85; [L194] SORT_1 var_86 = ~var_86_arg_0; [L195] SORT_11 var_14_arg_0 = state_12; [L196] SORT_13 var_14 = var_14_arg_0 >> 0; [L197] EXPR var_14 & mask_SORT_13 [L197] var_14 = var_14 & mask_SORT_13 [L198] SORT_13 var_56_arg_0 = var_14; [L199] SORT_1 var_56 = var_56_arg_0 != 0; [L200] SORT_1 var_57_arg_0 = var_56; [L201] SORT_1 var_57 = ~var_57_arg_0; [L202] EXPR var_57 & mask_SORT_1 [L202] var_57 = var_57 & mask_SORT_1 [L203] SORT_1 var_52_arg_0 = var_51; [L204] EXPR var_52_arg_0 & mask_SORT_1 [L204] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L205] SORT_13 var_52 = var_52_arg_0; [L206] SORT_13 var_53_arg_0 = var_14; [L207] SORT_13 var_53_arg_1 = var_52; [L208] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L209] SORT_40 var_47_arg_0 = var_46; [L210] EXPR var_47_arg_0 & mask_SORT_40 [L210] var_47_arg_0 = var_47_arg_0 & mask_SORT_40 [L211] SORT_13 var_47 = var_47_arg_0; [L212] SORT_13 var_48_arg_0 = var_14; [L213] SORT_13 var_48_arg_1 = var_47; [L214] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L215] SORT_40 var_42_arg_0 = var_41; [L216] EXPR var_42_arg_0 & mask_SORT_40 [L216] var_42_arg_0 = var_42_arg_0 & mask_SORT_40 [L217] SORT_13 var_42 = var_42_arg_0; [L218] SORT_13 var_43_arg_0 = var_14; [L219] SORT_13 var_43_arg_1 = var_42; [L220] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L221] SORT_19 var_36_arg_0 = var_35; [L222] EXPR var_36_arg_0 & mask_SORT_19 [L222] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L223] SORT_13 var_36 = var_36_arg_0; [L224] SORT_13 var_37_arg_0 = var_14; [L225] SORT_13 var_37_arg_1 = var_36; [L226] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L227] SORT_19 var_31_arg_0 = var_30; [L228] EXPR var_31_arg_0 & mask_SORT_19 [L228] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L229] SORT_13 var_31 = var_31_arg_0; [L230] SORT_13 var_32_arg_0 = var_14; [L231] SORT_13 var_32_arg_1 = var_31; [L232] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L233] SORT_19 var_26_arg_0 = var_25; [L234] EXPR var_26_arg_0 & mask_SORT_19 [L234] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L235] SORT_13 var_26 = var_26_arg_0; [L236] SORT_13 var_27_arg_0 = var_14; [L237] SORT_13 var_27_arg_1 = var_26; [L238] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L239] SORT_19 var_21_arg_0 = var_20; [L240] EXPR var_21_arg_0 & mask_SORT_19 [L240] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L241] SORT_13 var_21 = var_21_arg_0; [L242] SORT_13 var_22_arg_0 = var_14; [L243] SORT_13 var_22_arg_1 = var_21; [L244] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L245] SORT_13 var_16_arg_0 = var_14; [L246] SORT_13 var_16_arg_1 = var_15; [L247] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L248] SORT_1 var_17_arg_0 = var_16; [L249] SORT_3 var_17_arg_1 = state_10; [L250] SORT_3 var_17_arg_2 = input_9; [L251] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L252] SORT_1 var_23_arg_0 = var_22; [L253] SORT_3 var_23_arg_1 = state_18; [L254] SORT_3 var_23_arg_2 = var_17; [L255] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L256] SORT_1 var_28_arg_0 = var_27; [L257] SORT_3 var_28_arg_1 = state_24; [L258] SORT_3 var_28_arg_2 = var_23; [L259] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L260] SORT_1 var_33_arg_0 = var_32; [L261] SORT_3 var_33_arg_1 = state_29; [L262] SORT_3 var_33_arg_2 = var_28; [L263] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L264] SORT_1 var_38_arg_0 = var_37; [L265] SORT_3 var_38_arg_1 = state_34; [L266] SORT_3 var_38_arg_2 = var_33; [L267] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L268] SORT_1 var_44_arg_0 = var_43; [L269] SORT_3 var_44_arg_1 = state_39; [L270] SORT_3 var_44_arg_2 = var_38; [L271] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L272] SORT_1 var_49_arg_0 = var_48; [L273] SORT_3 var_49_arg_1 = state_45; [L274] SORT_3 var_49_arg_2 = var_44; [L275] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L276] SORT_1 var_54_arg_0 = var_53; [L277] SORT_3 var_54_arg_1 = state_50; [L278] SORT_3 var_54_arg_2 = var_49; [L279] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L280] SORT_1 var_58_arg_0 = var_57; [L281] SORT_3 var_58_arg_1 = state_55; [L282] SORT_3 var_58_arg_2 = var_54; [L283] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L284] EXPR var_58 & mask_SORT_3 [L284] var_58 = var_58 & mask_SORT_3 [L285] SORT_3 var_88_arg_0 = state_87; [L286] SORT_3 var_88_arg_1 = var_58; [L287] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L288] SORT_1 var_89_arg_0 = var_86; [L289] SORT_1 var_89_arg_1 = var_88; [L290] EXPR var_89_arg_0 | var_89_arg_1 [L290] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L291] SORT_1 var_110_arg_0 = state_91; [L292] SORT_1 var_110_arg_1 = input_109; [L293] SORT_1 var_110_arg_2 = var_89; [L294] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L295] SORT_1 var_113_arg_0 = var_110; [L296] SORT_1 var_113 = ~var_113_arg_0; [L297] SORT_1 var_114_arg_0 = var_112; [L298] SORT_1 var_114_arg_1 = var_113; [L299] EXPR var_114_arg_0 & var_114_arg_1 [L299] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L300] EXPR var_114 & mask_SORT_1 [L300] var_114 = var_114 & mask_SORT_1 [L301] SORT_1 bad_115_arg_0 = var_114; [L302] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.9s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:15:18,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:15:21,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:15:21,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 04:15:21,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:15:21,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:15:21,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:15:21,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:15:21,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:15:21,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:15:21,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:15:21,799 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:15:21,799 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:15:21,799 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:15:21,799 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:15:21,799 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:15:21,799 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:15:21,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:15:21,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:15:21,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:15:21,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:15:21,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:15:21,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:15:21,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:15:21,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:15:21,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:15:21,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:15:21,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:15:21,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:15:21,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:15:21,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:15:21,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:15:21,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:15:21,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:21,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:15:21,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:15:21,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:15:21,805 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:15:21,805 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:21,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:15:21,805 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:15:21,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca [2024-11-14 04:15:22,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:15:22,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:15:22,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:15:22,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:15:22,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:15:22,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c Unable to find full path for "g++" [2024-11-14 04:15:24,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:15:24,998 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:15:25,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-14 04:15:25,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data/0477aebba/dded1a4989b34661bf8e028b8ebaedb2/FLAGbf3ae0254 [2024-11-14 04:15:25,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/data/0477aebba/dded1a4989b34661bf8e028b8ebaedb2 [2024-11-14 04:15:25,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:15:25,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:15:25,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:25,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:15:25,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:15:25,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569ed10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25, skipping insertion in model container [2024-11-14 04:15:25,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:15:25,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-14 04:15:25,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:25,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:15:25,629 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-14 04:15:25,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:25,804 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:15:25,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25 WrapperNode [2024-11-14 04:15:25,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:25,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:25,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:15:25,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:15:25,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,912 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 638 [2024-11-14 04:15:25,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:25,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:15:25,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:15:25,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:15:25,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:25,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:26,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:26,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:15:26,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:15:26,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:15:26,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:15:26,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (1/1) ... [2024-11-14 04:15:26,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:26,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:26,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:15:26,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:15:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:15:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:15:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:15:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:15:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:15:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:15:26,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:15:26,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:15:27,499 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-14 04:15:27,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:15:27,513 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:15:27,514 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:15:27,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:27 BoogieIcfgContainer [2024-11-14 04:15:27,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:15:27,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:15:27,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:15:27,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:15:27,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:15:25" (1/3) ... [2024-11-14 04:15:27,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481dc5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:27, skipping insertion in model container [2024-11-14 04:15:27,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:25" (2/3) ... [2024-11-14 04:15:27,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481dc5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:27, skipping insertion in model container [2024-11-14 04:15:27,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:27" (3/3) ... [2024-11-14 04:15:27,528 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-14 04:15:27,549 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:15:27,552 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c that has 2 procedures, 20 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:15:27,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:15:27,637 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@678489ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:15:27,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:15:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:15:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:15:27,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:27,652 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:27,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:27,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:27,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1676994902, now seen corresponding path program 1 times [2024-11-14 04:15:27,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:27,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204881168] [2024-11-14 04:15:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:27,682 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 [2024-11-14 04:15:27,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:27,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:15:27,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:15:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:28,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 04:15:28,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:15:28,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:15:28,605 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:28,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204881168] [2024-11-14 04:15:28,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204881168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:28,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:15:28,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:15:28,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995261216] [2024-11-14 04:15:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:28,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:15:28,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:28,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:15:28,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:15:28,648 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:15:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:28,798 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2024-11-14 04:15:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:15:28,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-14 04:15:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:28,808 INFO L225 Difference]: With dead ends: 43 [2024-11-14 04:15:28,808 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 04:15:28,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:15:28,818 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:28,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:15:28,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 04:15:28,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-14 04:15:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 04:15:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-14 04:15:28,876 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-14 04:15:28,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:28,880 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-14 04:15:28,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:15:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-14 04:15:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 04:15:28,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:28,884 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:28,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:15:29,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:15:29,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:29,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:29,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1294995197, now seen corresponding path program 1 times [2024-11-14 04:15:29,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:29,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424652630] [2024-11-14 04:15:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:29,091 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 [2024-11-14 04:15:29,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:29,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:15:29,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:15:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:29,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 04:15:29,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-14 04:15:31,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:31,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424652630] [2024-11-14 04:15:31,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424652630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:15:31,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [665344464] [2024-11-14 04:15:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:15:31,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:15:31,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:15:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:32,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-14 04:15:32,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-14 04:15:33,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:33,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [665344464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:15:33,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057618600] [2024-11-14 04:15:33,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:33,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:33,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:33,576 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:15:33,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:15:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:34,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-14 04:15:34,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-14 04:15:34,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:34,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057618600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:15:34,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:15:34,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 14 [2024-11-14 04:15:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891774596] [2024-11-14 04:15:34,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:15:34,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 04:15:34,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:34,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 04:15:34,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-14 04:15:34,846 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 14 states, 12 states have (on average 2.75) internal successors, (33), 14 states have internal predecessors, (33), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-14 04:15:35,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:35,519 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-14 04:15:35,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 04:15:35,520 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.75) internal successors, (33), 14 states have internal predecessors, (33), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) Word has length 44 [2024-11-14 04:15:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:35,522 INFO L225 Difference]: With dead ends: 36 [2024-11-14 04:15:35,522 INFO L226 Difference]: Without dead ends: 34 [2024-11-14 04:15:35,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:15:35,523 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:35,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 98 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:15:35,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-14 04:15:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-14 04:15:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:15:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-14 04:15:35,542 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-14 04:15:35,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:35,543 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-14 04:15:35,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.75) internal successors, (33), 14 states have internal predecessors, (33), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-14 04:15:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-14 04:15:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-14 04:15:35,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:35,545 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-14 04:15:35,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:15:35,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:15:35,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:15:36,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:15:36,146 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:36,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:36,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1531864950, now seen corresponding path program 2 times [2024-11-14 04:15:36,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:36,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650403419] [2024-11-14 04:15:36,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:15:36,150 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 [2024-11-14 04:15:36,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:36,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:15:36,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 (6)] Waiting until timeout for monitored process [2024-11-14 04:15:37,206 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:15:37,207 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:15:37,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-14 04:15:37,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-14 04:15:47,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:50,826 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 (forall ((|v_ULTIMATE.start_main_~var_110_arg_1~0#1_19| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_110_arg_1~0#1_19|)))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_111~0#1|))))))))))) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))) (let ((.cse4 (and .cse3 (forall ((|v_ULTIMATE.start_main_~var_74_arg_1~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_19| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_19|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_18|) .cse9)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_19|))))))) (_ bv0 32))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_17|)))))))))))) (.cse2 ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_87~0#1|)) (.cse1 ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse7 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_12~0#1|)))))))) (.cse5 (let ((.cse8 (= .cse2 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse1 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_55~0#1|))))))))) (and (or (not .cse8) (and .cse3 (forall ((|v_ULTIMATE.start_main_~var_74_arg_1~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_19| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_17|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_19|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_18|) .cse9)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_19|))))))) (_ bv1 32)))))))))))))))))) (or .cse8 .cse4))))) (and (or (let ((.cse0 (= ((_ extract 7 0) (bvand .cse6 (_ bv254 32))) (_ bv0 8)))) (and (or (not .cse0) (and (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_16| (_ BitVec 16))) (not (= ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse1 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_16|)))))) .cse2))) .cse3) (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_16| (_ BitVec 16))) (= ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse1 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_16|)))))) .cse2)) .cse4))) (or .cse0 .cse5))) .cse7) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 (_ bv255 32)))) (not .cse7) .cse5)))))) is different from false [2024-11-14 04:15:51,385 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:51,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650403419] [2024-11-14 04:15:51,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650403419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:15:51,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131485411] [2024-11-14 04:15:51,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:15:51,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:15:51,388 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:15:51,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 04:15:52,679 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:15:52,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:15:52,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-14 04:15:52,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 12 proven. 55 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-14 04:16:12,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:17:02,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2131485411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:17:02,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860734480] [2024-11-14 04:17:02,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:17:02,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:17:02,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:17:02,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:17:02,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:17:03,091 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:17:03,091 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:17:03,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-14 04:17:03,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:17:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 12 proven. 55 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-14 04:17:43,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:18:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860734480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:18:29,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:18:29,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 26 [2024-11-14 04:18:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628421438] [2024-11-14 04:18:29,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:18:29,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 04:18:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:18:29,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 04:18:29,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=683, Unknown=36, NotChecked=54, Total=870 [2024-11-14 04:18:29,879 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 26 states, 20 states have (on average 2.55) internal successors, (51), 26 states have internal predecessors, (51), 13 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) [2024-11-14 04:18:32,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:18:34,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:18:37,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:18:47,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:18:50,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:18:53,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:03,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:12,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:19,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:31,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:34,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:47,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:20:05,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:05,589 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 363 DAG size of output: 320 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:21:07,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:10,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:51,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:54,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:57,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:59,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:05,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:07,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:10,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:13,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:26,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:55,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:58,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:59,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:22:59,057 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-11-14 04:22:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:22:59,059 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 20 states have (on average 2.55) internal successors, (51), 26 states have internal predecessors, (51), 13 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) Word has length 65 [2024-11-14 04:22:59,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:22:59,060 INFO L225 Difference]: With dead ends: 46 [2024-11-14 04:22:59,060 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 04:22:59,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 320.8s TimeCoverageRelationStatistics Valid=280, Invalid=1609, Unknown=95, NotChecked=86, Total=2070 [2024-11-14 04:22:59,063 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 38 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 25 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:22:59,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 262 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 451 Invalid, 27 Unknown, 0 Unchecked, 78.0s Time] [2024-11-14 04:22:59,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 04:22:59,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-14 04:22:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 04:22:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2024-11-14 04:22:59,082 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 65 [2024-11-14 04:22:59,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:22:59,083 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-14 04:22:59,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 20 states have (on average 2.55) internal successors, (51), 26 states have internal predecessors, (51), 13 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) [2024-11-14 04:22:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-14 04:22:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 04:22:59,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:22:59,086 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-11-14 04:22:59,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 04:22:59,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:22:59,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:22:59,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:22:59,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:22:59,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:22:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1616345373, now seen corresponding path program 3 times [2024-11-14 04:22:59,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:22:59,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682734856] [2024-11-14 04:22:59,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:22:59,689 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 [2024-11-14 04:22:59,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:22:59,691 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:22:59,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Waiting until timeout for monitored process [2024-11-14 04:23:01,258 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-14 04:23:01,258 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:23:01,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 236 conjuncts are in the unsatisfiable core [2024-11-14 04:23:01,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:25:25,669 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 529 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:25:45,754 WARN L286 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 547 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:26:06,221 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 540 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:26:55,246 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 532 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:27:23,781 WARN L286 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 514 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:27:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 69 proven. 87 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-14 04:27:38,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:28:39,817 WARN L286 SmtUtils]: Spent 24.87s on a formula simplification. DAG size of input: 267 DAG size of output: 260 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:29:11,055 WARN L286 SmtUtils]: Spent 13.70s on a formula simplification that was a NOOP. DAG size: 264 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:29:11,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:29:11,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682734856] [2024-11-14 04:29:11,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682734856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:29:11,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [269530873] [2024-11-14 04:29:11,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:29:11,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:29:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:29:11,077 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:29:11,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdf049-3652-4f16-ba6a-e8b9e9d36569/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:29:12,989 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-14 04:29:12,990 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:29:13,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 230 conjuncts are in the unsatisfiable core [2024-11-14 04:29:13,064 INFO L278 TraceCheckSpWp]: Computing forward predicates...