./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:14:33,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:14:34,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:14:34,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:14:34,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:14:34,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:14:34,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:14:34,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:14:34,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:14:34,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:14:34,133 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:14:34,133 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:14:34,133 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:14:34,134 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:14:34,134 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:14:34,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:14:34,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:14:34,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:14:34,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:14:34,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:14:34,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:34,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:14:34,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:14:34,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:14:34,138 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:14:34,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:14:34,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:14:34,138 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:14:34,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:14:34,139 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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-11-14 03:14:34,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:14:34,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:14:34,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:14:34,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:14:34,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:14:34,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c Unable to find full path for "g++" [2024-11-14 03:14:36,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:14:36,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:14:36,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-14 03:14:36,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data/ddb53197e/7cb8f683b6fa4dbda28d54e3fae2a518/FLAGba09ec864 [2024-11-14 03:14:36,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data/ddb53197e/7cb8f683b6fa4dbda28d54e3fae2a518 [2024-11-14 03:14:36,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:14:36,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:14:36,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:14:36,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:14:36,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:14:36,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:14:36" (1/1) ... [2024-11-14 03:14:36,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f50e4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:36, skipping insertion in model container [2024-11-14 03:14:36,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:14:36" (1/1) ... [2024-11-14 03:14:36,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:14:37,101 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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-14 03:14:37,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:14:37,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:14:37,339 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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-14 03:14:37,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:14:37,505 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:14:37,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37 WrapperNode [2024-11-14 03:14:37,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:14:37,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:14:37,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:14:37,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:14:37,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,767 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1382 [2024-11-14 03:14:37,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:14:37,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:14:37,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:14:37,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:14:37,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:14:37,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:14:37,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:14:37,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:14:37,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (1/1) ... [2024-11-14 03:14:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:38,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:14:38,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:14:38,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:14:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:14:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:14:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:14:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:14:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:14:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:14:38,353 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:14:38,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:14:40,623 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-14 03:14:40,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:14:42,949 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:14:42,950 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:14:42,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:14:42 BoogieIcfgContainer [2024-11-14 03:14:42,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:14:42,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:14:42,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:14:42,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:14:42,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:14:36" (1/3) ... [2024-11-14 03:14:42,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ee71e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:14:42, skipping insertion in model container [2024-11-14 03:14:42,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:37" (2/3) ... [2024-11-14 03:14:42,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ee71e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:14:42, skipping insertion in model container [2024-11-14 03:14:42,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:14:42" (3/3) ... [2024-11-14 03:14:42,967 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-14 03:14:42,986 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:14:42,988 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c that has 2 procedures, 15 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:14:43,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:14:43,064 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;@3fbb38d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:14:43,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:14:43,070 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 03:14:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 03:14:43,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:43,082 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:43,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:14:43,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:43,088 INFO L85 PathProgramCache]: Analyzing trace with hash -542011231, now seen corresponding path program 1 times [2024-11-14 03:14:43,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:43,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833524380] [2024-11-14 03:14:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:46,999 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 03:14:46,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:46,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833524380] [2024-11-14 03:14:47,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833524380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:47,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:47,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:14:47,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904852628] [2024-11-14 03:14:47,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:47,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:47,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:47,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:47,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:47,036 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 03:14:48,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:14:48,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:48,628 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2024-11-14 03:14:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:48,631 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 03:14:48,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:48,636 INFO L225 Difference]: With dead ends: 36 [2024-11-14 03:14:48,636 INFO L226 Difference]: Without dead ends: 22 [2024-11-14 03:14:48,638 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 03:14:48,641 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:48,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-14 03:14:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-14 03:14:48,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-14 03:14:48,675 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 03:14:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-14 03:14:48,681 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2024-11-14 03:14:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:48,684 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-14 03:14:48,685 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 03:14:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-14 03:14:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 03:14:48,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:48,689 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-14 03:14:48,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:14:48,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:14:48,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:48,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1549210094, now seen corresponding path program 1 times [2024-11-14 03:14:48,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:48,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204005664] [2024-11-14 03:14:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:48,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:14:51,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:14:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:14:56,597 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:14:56,597 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:14:56,600 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:14:56,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:14:56,604 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 03:14:56,716 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:14:56,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:14:56 BoogieIcfgContainer [2024-11-14 03:14:56,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:14:56,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:14:56,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:14:56,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:14:56,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:14:42" (3/4) ... [2024-11-14 03:14:56,728 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:14:56,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:14:56,730 INFO L158 Benchmark]: Toolchain (without parser) took 19827.77ms. Allocated memory was 117.4MB in the beginning and 721.4MB in the end (delta: 604.0MB). Free memory was 92.6MB in the beginning and 372.1MB in the end (delta: -279.5MB). Peak memory consumption was 323.9MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,731 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:56,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.12ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 62.9MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 260.43ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 72.4MB in the end (delta: -9.5MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,734 INFO L158 Benchmark]: Boogie Preprocessor took 217.97ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 61.3MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,735 INFO L158 Benchmark]: RCFGBuilder took 4963.36ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 61.3MB in the beginning and 202.3MB in the end (delta: -141.1MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,735 INFO L158 Benchmark]: TraceAbstraction took 13767.63ms. Allocated memory was 327.2MB in the beginning and 721.4MB in the end (delta: 394.3MB). Free memory was 202.3MB in the beginning and 376.3MB in the end (delta: -174.0MB). Peak memory consumption was 376.2MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,735 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 721.4MB. Free memory was 376.3MB in the beginning and 372.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:14:56,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.12ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 62.9MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 260.43ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 72.4MB in the end (delta: -9.5MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 217.97ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 61.3MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4963.36ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 61.3MB in the beginning and 202.3MB in the end (delta: -141.1MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13767.63ms. Allocated memory was 327.2MB in the beginning and 721.4MB in the end (delta: 394.3MB). Free memory was 202.3MB in the beginning and 376.3MB in the end (delta: -174.0MB). Peak memory consumption was 376.2MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 721.4MB. Free memory was 376.3MB in the beginning and 372.1MB in the end (delta: 4.3MB). 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 105, overapproximation of bitwiseOr at line 121, overapproximation of bitwiseOr at line 325, overapproximation of bitwiseOr at line 140, overapproximation of bitwiseOr at line 290, overapproximation of bitwiseAnd at line 306, overapproximation of bitwiseAnd at line 146, overapproximation of bitwiseAnd at line 158, overapproximation of bitwiseAnd at line 93, overapproximation of bitwiseAnd at line 66, overapproximation of bitwiseAnd at line 110. 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 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 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_uchar() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_uchar() & 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_uchar() & mask_SORT_3 [L68] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L69] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L70] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L71] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L72] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L73] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L74] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L75] SORT_3 state_55 = __VERIFIER_nondet_uchar() & 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_uchar() & mask_SORT_3 [L80] SORT_3 state_87 = __VERIFIER_nondet_uchar() & 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=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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_uchar() [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_uchar() [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=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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=255, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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=255, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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=2, input_6=255, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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=2, input_6=255, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=15, state_136=0, state_18=253, state_24=253, state_29=0, state_34=1, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=0, state_69=0, state_72=0, state_87=255, 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_uchar() [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_uchar() [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=255, mask_SORT_40=3, state_10=0, state_12=16, state_136=0, state_18=253, state_24=0, state_29=0, state_34=0, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=1, state_69=0, state_72=0, state_87=0, 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=255, mask_SORT_40=3, state_10=0, state_12=16, state_136=0, state_18=253, state_24=0, state_29=0, state_34=0, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=1, state_69=0, state_72=0, state_87=0, 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=255, mask_SORT_40=3, state_10=0, state_12=16, state_136=0, state_18=253, state_24=0, state_29=0, state_34=0, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=1, state_69=0, state_72=0, state_87=0, 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=255, mask_SORT_40=3, state_10=0, state_12=16, state_136=0, state_18=253, state_24=0, state_29=0, state_34=0, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=1, state_69=0, state_72=0, state_87=0, 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=2, 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=255, mask_SORT_40=3, state_10=0, state_12=16, state_136=0, state_18=253, state_24=0, state_29=0, state_34=0, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=1, state_69=0, state_72=0, state_87=0, 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=2, 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=255, mask_SORT_40=3, state_10=0, state_12=16, state_136=0, state_18=253, state_24=0, state_29=0, state_34=0, state_39=0, state_45=5, state_50=0, state_55=4, state_60=0, state_68=1, state_69=0, state_72=0, state_87=0, 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: 13.6s, 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, 1.6s 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: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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 03:14:56,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:14:59,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:14:59,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 03:14:59,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:14:59,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:14:59,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:14:59,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:14:59,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:14:59,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:14:59,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:14:59,668 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:14:59,668 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:14:59,668 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:14:59,668 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:14:59,669 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:14:59,669 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:14:59,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:14:59,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:14:59,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:14:59,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:14:59,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:59,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:14:59,671 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:14:59,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:14:59,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:14:59,672 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:14:59,672 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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-11-14 03:14:59,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:14:59,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:14:59,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:14:59,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:15:00,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:15:00,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c Unable to find full path for "g++" [2024-11-14 03:15:01,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:15:02,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:15:02,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-14 03:15:02,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data/10de35da8/382db5d4155e47c6b05e5eb737e9b5fe/FLAGb8cd2be57 [2024-11-14 03:15:02,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/data/10de35da8/382db5d4155e47c6b05e5eb737e9b5fe [2024-11-14 03:15:02,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:15:02,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:15:02,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:15:02,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:15:02,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:15:02,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572dafd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02, skipping insertion in model container [2024-11-14 03:15:02,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:15:02,401 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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-14 03:15:02,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:15:02,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:15:02,651 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_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-14 03:15:02,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:15:02,788 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:15:02,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02 WrapperNode [2024-11-14 03:15:02,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:15:02,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:15:02,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:15:02,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:15:02,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,874 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 638 [2024-11-14 03:15:02,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:15:02,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:15:02,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:15:02,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:15:02,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:15:02,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:15:02,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:15:02,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:15:02,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (1/1) ... [2024-11-14 03:15:02,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:15:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:15:02,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:15:02,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:15:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:15:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:15:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:15:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:15:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:15:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:15:03,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:15:03,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:15:04,051 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-14 03:15:04,051 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:15:04,062 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:15:04,062 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:15:04,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:15:04 BoogieIcfgContainer [2024-11-14 03:15:04,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:15:04,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:15:04,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:15:04,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:15:04,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:15:02" (1/3) ... [2024-11-14 03:15:04,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6f61bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:15:04, skipping insertion in model container [2024-11-14 03:15:04,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:15:02" (2/3) ... [2024-11-14 03:15:04,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6f61bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:15:04, skipping insertion in model container [2024-11-14 03:15:04,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:15:04" (3/3) ... [2024-11-14 03:15:04,076 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-14 03:15:04,094 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:15:04,097 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c that has 2 procedures, 20 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:15:04,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:15:04,165 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;@60509dc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:15:04,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:15:04,169 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 03:15:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 03:15:04,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:15:04,177 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 03:15:04,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:15:04,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:15:04,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1676994902, now seen corresponding path program 1 times [2024-11-14 03:15:04,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:15:04,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291486938] [2024-11-14 03:15:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:15:04,196 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 03:15:04,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:15:04,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:04,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:15:04,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 03:15:04,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:15:04,923 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 03:15:04,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:15:04,923 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:15:04,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291486938] [2024-11-14 03:15:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291486938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:15:04,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:15:04,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:15:04,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654744392] [2024-11-14 03:15:04,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:15:04,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:15:04,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:15:04,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:15:04,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:15:04,958 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 03:15:05,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:15:05,077 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2024-11-14 03:15:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:15:05,080 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 03:15:05,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:15:05,086 INFO L225 Difference]: With dead ends: 43 [2024-11-14 03:15:05,087 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 03:15:05,090 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 03:15:05,094 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 03:15:05,095 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 03:15:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 03:15:05,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-14 03:15:05,135 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 03:15:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-14 03:15:05,141 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-14 03:15:05,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:15:05,143 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-14 03:15:05,143 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 03:15:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-14 03:15:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 03:15:05,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:15:05,146 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 03:15:05,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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)] Ended with exit code 0 [2024-11-14 03:15:05,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:05,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:15:05,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:15:05,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1294995197, now seen corresponding path program 1 times [2024-11-14 03:15:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:15:05,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66764940] [2024-11-14 03:15:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:15:05,352 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 03:15:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:15:05,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:05,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:15:05,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 03:15:05,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:15:06,894 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 03:15:06,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:15:07,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:15:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66764940] [2024-11-14 03:15:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66764940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:15:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1945601219] [2024-11-14 03:15:07,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:15:07,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:15:07,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:15:07,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:15:07,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:15:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:15:08,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-14 03:15:08,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:15:08,639 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 03:15:08,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:15:08,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1945601219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:15:08,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382931096] [2024-11-14 03:15:08,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:15:08,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:15:08,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:15:08,824 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:15:08,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:15:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:15:09,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-14 03:15:09,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:15:09,716 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 03:15:09,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:15:09,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382931096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:15:09,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:15:09,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 14 [2024-11-14 03:15:09,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483226386] [2024-11-14 03:15:09,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:15:09,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 03:15:09,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:15:09,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 03:15:09,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-14 03:15:09,881 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 03:15:10,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:15:10,372 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-14 03:15:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 03:15:10,373 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 03:15:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:15:10,374 INFO L225 Difference]: With dead ends: 36 [2024-11-14 03:15:10,374 INFO L226 Difference]: Without dead ends: 34 [2024-11-14 03:15:10,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-14 03:15:10,375 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:15:10,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 98 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:15:10,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-14 03:15:10,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-14 03:15:10,393 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 03:15:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-14 03:15:10,394 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-14 03:15:10,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:15:10,395 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-14 03:15:10,395 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 03:15:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-14 03:15:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-14 03:15:10,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:15:10,397 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 03:15:10,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:10,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 03:15:10,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:15:10,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:15:10,998 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:15:10,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:15:10,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1531864950, now seen corresponding path program 2 times [2024-11-14 03:15:11,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:15:11,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757588473] [2024-11-14 03:15:11,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 03:15:11,000 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 03:15:11,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:15:11,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:11,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:15:11,867 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 03:15:11,867 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:15:11,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-14 03:15:11,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:16:05,492 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 03:16:05,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:16:11,058 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse1 (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|))))))))))) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))) (let ((.cse4 (and .cse1 (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|) .cse8)))))) ((_ 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 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_87~0#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 ((.cse9 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|)))))) .cse3))) (and (or (and .cse1 (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|) .cse8)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_19|))))))) (_ bv1 32))))))))))))))))) (not .cse9)) (or .cse9 .cse4))))) (and (or (let ((.cse0 (= ((_ extract 7 0) (bvand .cse6 (_ bv254 32))) (_ bv0 8)))) (and (or (not .cse0) (and (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_16| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_16|)))))) .cse3)))) (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_16| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_16|)))))) .cse3)) .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 03:16:11,620 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:16:11,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757588473] [2024-11-14 03:16:11,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757588473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:16:11,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [323065612] [2024-11-14 03:16:11,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 03:16:11,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:16:11,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:16:11,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:16:11,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 03:16:12,662 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 03:16:12,662 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:16:12,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-14 03:16:12,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:16:36,303 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 03:16:36,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:16:40,268 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_110_arg_1~0#1_23| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ 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_23|)))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_111~0#1|)))))) .cse0)) (_ bv0 8))))) (let ((.cse7 (and (forall ((|v_ULTIMATE.start_main_~var_112_arg_2~0#1_21| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_22| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_23| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_23| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ 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) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_23|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_23|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_22|) .cse8)))))))))))) (_ bv0 32))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_21|)))))))))) .cse4)) (.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_87~0#1|))) (let ((.cse2 (let ((.cse9 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|)))))) .cse6))) (and (or (and .cse4 (forall ((|v_ULTIMATE.start_main_~var_112_arg_2~0#1_21| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_22| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_23| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_23| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ 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) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_23|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_23|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_22|) .cse8)))))))))))) (_ bv1 32))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_21|))))))))))) (not .cse9)) (or .cse9 .cse7)))) (.cse1 (= (_ 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|))))))))) (and (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 (_ bv255 32)))) (not .cse1) .cse2) (or (let ((.cse3 (= ((_ extract 7 0) (bvand .cse0 (_ bv254 32))) (_ bv0 8)))) (and (or .cse3 .cse2) (or (not .cse3) (and (or .cse4 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_20| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_20|)))))) .cse6)))) (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_20| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_20|)))))) .cse6)) .cse7))))) .cse1)))))) is different from false [2024-11-14 03:16:40,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [323065612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:16:40,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457475364] [2024-11-14 03:16:40,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 03:16:40,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:16:40,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:16:40,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:16:40,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 03:16:41,567 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 03:16:41,568 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:16:41,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-14 03:16:41,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:17:09,308 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 03:17:09,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:17:14,508 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse4 (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_110_arg_1~0#1_27| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_28|) ((_ 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_27|)))))))))))))) (.cse5 (= |c_ULTIMATE.start_main_~state_91~0#1| (_ bv0 8)))) (let ((.cse10 (or .cse4 .cse5)) (.cse12 (not .cse5)) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))) (let ((.cse8 (and .cse10 (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_71_arg_1~0#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_27| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_114_arg_0~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_27| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_28|) ((_ 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_27|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_26|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_27|))))))) (_ bv0 32))))))))))))))))))) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_87~0#1|))) (let ((.cse2 (let ((.cse9 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|)))))) .cse7))) (and (or .cse8 .cse9) (or (and .cse10 (or (forall ((|v_ULTIMATE.start_main_~var_71_arg_1~0#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_27| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_114_arg_0~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_27| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_28|) ((_ 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_27|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_26|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_27|))))))) (_ bv1 32)))))))))))))))) .cse12)) (not .cse9))))) (.cse1 (= (_ 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|))))))))) (and (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 (_ bv255 32)))) (not .cse1) .cse2) (or (let ((.cse3 (= ((_ extract 7 0) (bvand .cse0 (_ bv254 32))) (_ bv0 8)))) (and (or .cse3 .cse2) (or (not .cse3) (and (or .cse4 .cse5 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_24| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_24|)))))) .cse7)))) (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_24| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_24|)))))) .cse7)) .cse8))))) .cse1))))))) is different from false [2024-11-14 03:17:15,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457475364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:17:15,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:17:15,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 25 [2024-11-14 03:17:15,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320781216] [2024-11-14 03:17:15,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:17:15,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-14 03:17:15,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:17:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-14 03:17:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=561, Unknown=24, NotChecked=150, Total=812 [2024-11-14 03:17:15,528 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 25 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 03:17:17,685 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 03:17:20,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:17:24,105 WARN L539 Checker$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 03:17:27,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:17:30,538 WARN L539 Checker$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 03:17:33,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:17:36,989 WARN L539 Checker$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 03:18:16,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:18:51,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:19:17,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:19:20,637 WARN L539 Checker$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 03:19:23,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:19:26,728 WARN L539 Checker$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 03:19:29,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:19:44,408 WARN L539 Checker$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 03:19:58,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:20:01,438 WARN L539 Checker$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 03:20:04,046 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 03:20:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:20:04,953 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-11-14 03:20:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 03:20:04,955 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 25 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 03:20:04,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:20:04,956 INFO L225 Difference]: With dead ends: 46 [2024-11-14 03:20:04,956 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 03:20:04,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 192.1s TimeCoverageRelationStatistics Valid=236, Invalid=1360, Unknown=56, NotChecked=240, Total=1892 [2024-11-14 03:20:04,959 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 36 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 24 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:20:04,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 230 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 426 Invalid, 18 Unknown, 0 Unchecked, 56.1s Time] [2024-11-14 03:20:04,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 03:20:04,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-14 03:20:04,978 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 03:20:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2024-11-14 03:20:04,981 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 65 [2024-11-14 03:20:04,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:20:04,981 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-14 03:20:04,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 25 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 03:20:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-14 03:20:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 03:20:04,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:20:04,987 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 03:20:05,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 03:20:05,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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)] Ended with exit code 0 [2024-11-14 03:20:05,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 03:20:05,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:20:05,588 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:20:05,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:20:05,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1616345373, now seen corresponding path program 3 times [2024-11-14 03:20:05,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:20:05,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761674959] [2024-11-14 03:20:05,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:20:05,591 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 03:20:05,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:20:05,592 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:20:05,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/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 03:20:06,877 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-14 03:20:06,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:20:06,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 209 conjuncts are in the unsatisfiable core [2024-11-14 03:20:06,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:22:16,164 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:22:30,314 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 527 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:22:47,113 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 520 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:23:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 48 proven. 98 refuted. 1 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-14 03:23:32,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:24:39,141 WARN L286 SmtUtils]: Spent 25.91s 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 03:24:55,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:24:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761674959] [2024-11-14 03:24:55,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761674959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:24:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [721412631] [2024-11-14 03:24:55,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:24:55,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:24:55,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:24:55,740 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:24:55,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a95e38-3857-4572-b3ad-0f6614ba0b2e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 03:24:57,487 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-14 03:24:57,487 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:24:57,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 230 conjuncts are in the unsatisfiable core [2024-11-14 03:24:57,580 INFO L278 TraceCheckSpWp]: Computing forward predicates...