./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:46:59,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:46:59,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:46:59,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:46:59,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:46:59,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:46:59,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:46:59,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:46:59,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:46:59,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:46:59,440 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:46:59,440 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:46:59,441 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:46:59,441 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:46:59,442 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:46:59,442 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:46:59,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:46:59,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:46:59,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:46:59,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:46:59,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:46:59,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:46:59,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:46:59,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:46:59,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:46:59,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:46:59,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:46:59,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:46:59,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:46:59,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:46:59,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:46:59,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:46:59,447 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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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 -> 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f [2024-11-14 04:46:59,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:46:59,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:46:59,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:46:59,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:46:59,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:46:59,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c Unable to find full path for "g++" [2024-11-14 04:47:02,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:47:02,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:47:02,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-14 04:47:02,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data/f35d77fc0/cf3eba18b7f24480ba3a78577c3a34ab/FLAGad6d9e9fb [2024-11-14 04:47:02,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data/f35d77fc0/cf3eba18b7f24480ba3a78577c3a34ab [2024-11-14 04:47:02,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:47:02,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:47:02,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:02,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:47:02,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:47:02,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:02" (1/1) ... [2024-11-14 04:47:02,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb4df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:02, skipping insertion in model container [2024-11-14 04:47:02,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:02" (1/1) ... [2024-11-14 04:47:02,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:47:02,912 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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-14 04:47:03,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:03,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:47:03,252 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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-14 04:47:03,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:03,403 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:47:03,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03 WrapperNode [2024-11-14 04:47:03,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:03,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:03,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:47:03,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:47:03,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:03,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:03,823 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1678 [2024-11-14 04:47:03,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:03,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:47:03,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:47:03,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:47:03,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:03,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:03,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:03,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:04,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:04,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:04,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:04,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:04,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:47:04,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:47:04,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:47:04,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:47:04,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (1/1) ... [2024-11-14 04:47:04,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:04,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:04,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:47:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:47:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:47:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:47:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:47:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:47:04,543 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:47:04,545 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:47:07,710 INFO L? ?]: Removed 1068 outVars from TransFormulas that were not future-live. [2024-11-14 04:47:07,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:47:11,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:47:11,728 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:47:11,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:11 BoogieIcfgContainer [2024-11-14 04:47:11,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:47:11,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:47:11,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:47:11,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:47:11,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:47:02" (1/3) ... [2024-11-14 04:47:11,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dfac5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:11, skipping insertion in model container [2024-11-14 04:47:11,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:03" (2/3) ... [2024-11-14 04:47:11,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dfac5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:11, skipping insertion in model container [2024-11-14 04:47:11,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:11" (3/3) ... [2024-11-14 04:47:11,742 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_state_machine.c [2024-11-14 04:47:11,763 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:47:11,765 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.sw_state_machine.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:47:11,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:47:11,840 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;@57c34ad5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:47:11,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:47:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:47:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:47:11,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:11,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:47:11,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:11,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:11,859 INFO L85 PathProgramCache]: Analyzing trace with hash 72052284, now seen corresponding path program 1 times [2024-11-14 04:47:11,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:47:11,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357165271] [2024-11-14 04:47:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:47:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:47:13,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:47:13,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357165271] [2024-11-14 04:47:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357165271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:47:13,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:47:13,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:47:13,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131052416] [2024-11-14 04:47:13,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:47:13,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:47:13,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:47:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:47:13,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:47:13,385 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:47:15,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:47:17,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:47:19,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:47:21,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:47:23,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:47:25,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:47:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:47:25,691 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-11-14 04:47:25,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:47:25,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 04:47:25,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:47:25,706 INFO L225 Difference]: With dead ends: 15 [2024-11-14 04:47:25,706 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 04:47:25,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:47:25,715 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:47:25,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 12.3s Time] [2024-11-14 04:47:25,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 04:47:25,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-14 04:47:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:47:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-14 04:47:25,753 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-11-14 04:47:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:47:25,754 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-11-14 04:47:25,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:47:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-14 04:47:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:47:25,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:25,755 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-14 04:47:25,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:47:25,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:25,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash -903254294, now seen corresponding path program 1 times [2024-11-14 04:47:25,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:47:25,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944411561] [2024-11-14 04:47:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:25,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:47:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:47:36,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:47:36,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944411561] [2024-11-14 04:47:36,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944411561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:47:36,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093699095] [2024-11-14 04:47:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:47:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:36,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:47:36,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:47:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:37,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 04:47:37,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:47:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:47:37,799 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:47:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:47:39,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093699095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:47:39,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1548355960] [2024-11-14 04:47:39,586 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2024-11-14 04:47:39,586 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:47:39,591 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:47:39,597 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:47:39,598 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:47:40,368 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2024-11-14 04:47:47,286 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2024-11-14 04:48:17,520 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:48:18,154 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '94#(and (<= 1 |#StackHeapBarrier|) (= (+ |ULTIMATE.start_main_~mask_SORT_32~0#1| 1) 0) (= |ULTIMATE.start_main_~var_10~0#1| 1) (= |ULTIMATE.start_main_~var_33~0#1| 0) (= |ULTIMATE.start_main_~var_51~0#1| 1) (exists ((|v_ULTIMATE.start_main_#t~bitwise31#1_37| Int) (|v_ULTIMATE.start_main_#t~bitwise30#1_41| Int)) (and (not (= |v_ULTIMATE.start_main_#t~bitwise30#1_41| 0)) (not (= (mod |ULTIMATE.start_main_~state_5~0#1| 256) 0)) (<= 0 |v_ULTIMATE.start_main_#t~bitwise30#1_41|) (<= |v_ULTIMATE.start_main_#t~bitwise30#1_41| 1) (= |v_ULTIMATE.start_main_#t~bitwise31#1_37| 1))) (= |ULTIMATE.start_main_~var_4~0#1| 0) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_39~0#1| 2))' at error location [2024-11-14 04:48:18,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:48:18,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:48:18,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2024-11-14 04:48:18,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421389219] [2024-11-14 04:48:18,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:48:18,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:48:18,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:48:18,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:48:18,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-14 04:48:18,157 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:48:20,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:22,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:24,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:26,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:28,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:30,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:32,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:34,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:36,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:38,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:40,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:42,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:44,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:46,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:48,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:50,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:52,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:54,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:56,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:48:58,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:00,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:02,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:04,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:06,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:08,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:10,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:12,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:14,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:16,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:18,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:49:18,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:18,670 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-14 04:49:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:49:18,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 04:49:18,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:18,686 INFO L225 Difference]: With dead ends: 14 [2024-11-14 04:49:18,686 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 04:49:18,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:49:18,688 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:18,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 30 Unknown, 0 Unchecked, 60.4s Time] [2024-11-14 04:49:18,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 04:49:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-11-14 04:49:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-14 04:49:18,692 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-11-14 04:49:18,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:18,692 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-14 04:49:18,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-14 04:49:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:49:18,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:18,693 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-11-14 04:49:18,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:49:18,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:49:18,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:18,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:18,895 INFO L85 PathProgramCache]: Analyzing trace with hash -807762052, now seen corresponding path program 2 times [2024-11-14 04:49:18,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:18,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121824590] [2024-11-14 04:49:18,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:18,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:49:27,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:49:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:49:32,953 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:49:32,953 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:49:32,954 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:49:32,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:49:32,959 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-14 04:49:33,076 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:49:33,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:49:33 BoogieIcfgContainer [2024-11-14 04:49:33,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:49:33,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:49:33,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:49:33,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:49:33,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:11" (3/4) ... [2024-11-14 04:49:33,088 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:49:33,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:49:33,090 INFO L158 Benchmark]: Toolchain (without parser) took 150494.77ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 91.5MB in the beginning and 635.3MB in the end (delta: -543.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-14 04:49:33,091 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:33,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.27ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 59.8MB in the end (delta: 31.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:49:33,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 417.73ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 67.0MB in the end (delta: -7.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-14 04:49:33,092 INFO L158 Benchmark]: Boogie Preprocessor took 324.76ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 59.8MB in the end (delta: 7.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-14 04:49:33,093 INFO L158 Benchmark]: RCFGBuilder took 7579.61ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 59.8MB in the beginning and 196.1MB in the end (delta: -136.4MB). Peak memory consumption was 252.7MB. Max. memory is 16.1GB. [2024-11-14 04:49:33,093 INFO L158 Benchmark]: TraceAbstraction took 141352.41ms. Allocated memory was 402.7MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 196.1MB in the beginning and 639.5MB in the end (delta: -443.3MB). Peak memory consumption was 974.3MB. Max. memory is 16.1GB. [2024-11-14 04:49:33,094 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 1.8GB. Free memory was 639.5MB in the beginning and 635.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:33,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.27ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 59.8MB in the end (delta: 31.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 417.73ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 67.0MB in the end (delta: -7.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 324.76ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 59.8MB in the end (delta: 7.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7579.61ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 59.8MB in the beginning and 196.1MB in the end (delta: -136.4MB). Peak memory consumption was 252.7MB. Max. memory is 16.1GB. * TraceAbstraction took 141352.41ms. Allocated memory was 402.7MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 196.1MB in the beginning and 639.5MB in the end (delta: -443.3MB). Peak memory consumption was 974.3MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 1.8GB. Free memory was 639.5MB in the beginning and 635.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 102, overapproximation of bitwiseAnd at line 107, overapproximation of bitwiseAnd at line 41, overapproximation of bitwiseAnd at line 90. 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_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 32); [L30] const SORT_32 msb_SORT_32 = (SORT_32)1 << (32 - 1); [L32] const SORT_1 var_4 = 0; [L33] const SORT_1 var_10 = 1; [L34] const SORT_32 var_33 = 0; [L35] const SORT_32 var_39 = 2; [L36] const SORT_32 var_51 = 1; [L38] SORT_1 input_2; [L39] SORT_1 input_3; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L41] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L42] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uint() & mask_SORT_32 [L51] SORT_32 state_34 = __VERIFIER_nondet_uint() & mask_SORT_32; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 init_6_arg_1 = var_4; [L55] state_5 = init_6_arg_1 [L56] SORT_1 init_15_arg_1 = var_10; [L57] state_14 = init_15_arg_1 [L58] SORT_1 init_17_arg_1 = var_4; [L59] state_16 = init_17_arg_1 [L60] SORT_1 init_19_arg_1 = var_4; [L61] state_18 = init_19_arg_1 [L62] SORT_1 init_21_arg_1 = var_4; [L63] state_20 = init_21_arg_1 [L64] SORT_1 init_23_arg_1 = var_4; [L65] state_22 = init_23_arg_1 [L66] SORT_1 init_25_arg_1 = var_4; [L67] state_24 = init_25_arg_1 [L68] SORT_1 init_27_arg_1 = var_4; [L69] state_26 = init_27_arg_1 [L70] SORT_1 init_29_arg_1 = var_4; [L71] state_28 = init_29_arg_1 [L72] SORT_1 init_31_arg_1 = var_10; [L73] state_30 = init_31_arg_1 [L74] SORT_32 init_35_arg_1 = var_33; [L75] state_34 = init_35_arg_1 [L76] SORT_1 init_37_arg_1 = var_4; [L77] state_36 = init_37_arg_1 VAL [mask_SORT_1=1, mask_SORT_32=-1, state_14=1, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=1, state_34=0, state_36=0, state_5=0, var_10=1, var_33=0, var_39=2, var_4=0, var_51=1] [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L84] SORT_1 var_7_arg_0 = state_5; [L85] SORT_1 var_7 = ~var_7_arg_0; [L86] SORT_1 var_11_arg_0 = var_7; [L87] SORT_1 var_11 = ~var_11_arg_0; [L88] SORT_1 var_12_arg_0 = var_10; [L89] SORT_1 var_12_arg_1 = var_11; [L90] EXPR var_12_arg_0 & var_12_arg_1 [L90] SORT_1 var_12 = var_12_arg_0 & var_12_arg_1; [L91] EXPR var_12 & mask_SORT_1 [L91] var_12 = var_12 & mask_SORT_1 [L92] SORT_1 bad_13_arg_0 = var_12; [L93] CALL __VERIFIER_assert(!(bad_13_arg_0)) [L21] COND FALSE !(!(cond)) [L93] RET __VERIFIER_assert(!(bad_13_arg_0)) [L95] SORT_32 var_40_arg_0 = state_34; [L96] SORT_32 var_40_arg_1 = var_39; [L97] SORT_1 var_40 = var_40_arg_0 != var_40_arg_1; [L98] SORT_1 var_41_arg_0 = state_36; [L99] SORT_1 var_41 = ~var_41_arg_0; [L100] SORT_1 var_42_arg_0 = var_40; [L101] SORT_1 var_42_arg_1 = var_41; [L102] EXPR var_42_arg_0 | var_42_arg_1 [L102] SORT_1 var_42 = var_42_arg_0 | var_42_arg_1; [L103] SORT_1 var_43_arg_0 = var_42; [L104] SORT_1 var_43 = ~var_43_arg_0; [L105] SORT_1 var_44_arg_0 = state_16; [L106] SORT_1 var_44_arg_1 = var_43; [L107] EXPR var_44_arg_0 & var_44_arg_1 [L107] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L108] SORT_1 var_45_arg_0 = state_5; [L109] SORT_1 var_45_arg_1 = var_44; [L110] EXPR var_45_arg_0 | var_45_arg_1 [L110] SORT_1 var_45 = var_45_arg_0 | var_45_arg_1; [L111] SORT_1 var_46_arg_0 = state_30; [L112] SORT_1 var_46_arg_1 = var_45; [L113] SORT_1 var_46_arg_2 = state_5; [L114] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L115] SORT_1 next_47_arg_1 = var_46; [L116] SORT_1 var_48_arg_0 = state_30; [L117] SORT_1 var_48_arg_1 = var_4; [L118] SORT_1 var_48_arg_2 = state_14; [L119] SORT_1 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L120] SORT_1 next_49_arg_1 = var_48; [L121] SORT_1 var_50_arg_0 = state_14; [L122] SORT_1 var_50_arg_1 = state_24; [L123] EXPR var_50_arg_0 | var_50_arg_1 [L123] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L124] SORT_32 var_52_arg_0 = state_34; [L125] SORT_32 var_52_arg_1 = var_51; [L126] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L127] SORT_1 var_53_arg_0 = state_36; [L128] SORT_1 var_53 = ~var_53_arg_0; [L129] SORT_1 var_54_arg_0 = var_52; [L130] SORT_1 var_54_arg_1 = var_53; [L131] EXPR var_54_arg_0 & var_54_arg_1 [L131] SORT_1 var_54 = var_54_arg_0 & var_54_arg_1; [L132] SORT_1 var_55_arg_0 = var_54; [L133] SORT_1 var_55 = ~var_55_arg_0; [L134] SORT_1 var_56_arg_0 = state_26; [L135] SORT_1 var_56_arg_1 = var_55; [L136] EXPR var_56_arg_0 & var_56_arg_1 [L136] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L137] SORT_1 var_57_arg_0 = var_50; [L138] SORT_1 var_57_arg_1 = var_56; [L139] EXPR var_57_arg_0 | var_57_arg_1 [L139] SORT_1 var_57 = var_57_arg_0 | var_57_arg_1; [L140] SORT_1 var_58_arg_0 = var_57; [L141] SORT_1 var_58_arg_1 = state_28; [L142] EXPR var_58_arg_0 | var_58_arg_1 [L142] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L143] SORT_1 var_59_arg_0 = state_30; [L144] SORT_1 var_59_arg_1 = var_58; [L145] SORT_1 var_59_arg_2 = state_16; [L146] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L147] SORT_1 next_60_arg_1 = var_59; [L148] SORT_32 var_61_arg_0 = state_34; [L149] SORT_32 var_61_arg_1 = var_39; [L150] SORT_1 var_61 = var_61_arg_0 != var_61_arg_1; [L151] SORT_1 var_62_arg_0 = state_36; [L152] SORT_1 var_62 = ~var_62_arg_0; [L153] SORT_1 var_63_arg_0 = var_61; [L154] SORT_1 var_63_arg_1 = var_62; [L155] EXPR var_63_arg_0 | var_63_arg_1 [L155] SORT_1 var_63 = var_63_arg_0 | var_63_arg_1; [L156] SORT_1 var_64_arg_0 = state_16; [L157] SORT_1 var_64_arg_1 = var_63; [L158] EXPR var_64_arg_0 & var_64_arg_1 [L158] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L159] SORT_1 var_65_arg_0 = state_30; [L160] SORT_1 var_65_arg_1 = var_64; [L161] SORT_1 var_65_arg_2 = state_18; [L162] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L163] EXPR var_65 & mask_SORT_1 [L163] var_65 = var_65 & mask_SORT_1 [L164] SORT_1 next_66_arg_1 = var_65; [L165] SORT_32 var_67_arg_0 = state_34; [L166] SORT_32 var_67_arg_1 = var_39; [L167] SORT_1 var_67 = var_67_arg_0 < var_67_arg_1; [L168] SORT_1 var_68_arg_0 = state_18; [L169] SORT_1 var_68_arg_1 = var_67; [L170] EXPR var_68_arg_0 & var_68_arg_1 [L170] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L171] SORT_1 var_69_arg_0 = state_30; [L172] SORT_1 var_69_arg_1 = var_68; [L173] SORT_1 var_69_arg_2 = state_20; [L174] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L175] SORT_1 next_70_arg_1 = var_69; [L176] SORT_32 var_71_arg_0 = state_34; [L177] SORT_32 var_71_arg_1 = var_39; [L178] SORT_1 var_71 = var_71_arg_0 < var_71_arg_1; [L179] SORT_1 var_72_arg_0 = var_71; [L180] SORT_1 var_72 = ~var_72_arg_0; [L181] SORT_1 var_73_arg_0 = state_18; [L182] SORT_1 var_73_arg_1 = var_72; [L183] EXPR var_73_arg_0 & var_73_arg_1 [L183] SORT_1 var_73 = var_73_arg_0 & var_73_arg_1; [L184] SORT_1 var_74_arg_0 = state_20; [L185] SORT_1 var_74_arg_1 = var_73; [L186] EXPR var_74_arg_0 | var_74_arg_1 [L186] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L187] SORT_1 var_75_arg_0 = state_30; [L188] SORT_1 var_75_arg_1 = var_74; [L189] SORT_1 var_75_arg_2 = state_22; [L190] SORT_1 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L191] EXPR var_75 & mask_SORT_1 [L191] var_75 = var_75 & mask_SORT_1 [L192] SORT_1 next_76_arg_1 = var_75; [L193] SORT_32 var_77_arg_0 = state_34; [L194] SORT_32 var_77_arg_1 = var_33; [L195] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L196] SORT_1 var_78_arg_0 = var_77; [L197] SORT_1 var_78_arg_1 = state_36; [L198] EXPR var_78_arg_0 & var_78_arg_1 [L198] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L199] SORT_1 var_79_arg_0 = state_22; [L200] SORT_1 var_79_arg_1 = var_78; [L201] EXPR var_79_arg_0 & var_79_arg_1 [L201] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L202] SORT_1 var_80_arg_0 = state_30; [L203] SORT_1 var_80_arg_1 = var_79; [L204] SORT_1 var_80_arg_2 = state_24; [L205] SORT_1 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L206] SORT_1 next_81_arg_1 = var_80; [L207] SORT_32 var_82_arg_0 = state_34; [L208] SORT_32 var_82_arg_1 = var_33; [L209] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L210] SORT_1 var_83_arg_0 = var_82; [L211] SORT_1 var_83_arg_1 = state_36; [L212] EXPR var_83_arg_0 & var_83_arg_1 [L212] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L213] SORT_1 var_84_arg_0 = var_83; [L214] SORT_1 var_84 = ~var_84_arg_0; [L215] SORT_1 var_85_arg_0 = state_22; [L216] SORT_1 var_85_arg_1 = var_84; [L217] EXPR var_85_arg_0 & var_85_arg_1 [L217] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L218] SORT_1 var_86_arg_0 = state_30; [L219] SORT_1 var_86_arg_1 = var_85; [L220] SORT_1 var_86_arg_2 = state_26; [L221] SORT_1 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L222] EXPR var_86 & mask_SORT_1 [L222] var_86 = var_86 & mask_SORT_1 [L223] SORT_1 next_87_arg_1 = var_86; [L224] SORT_32 var_88_arg_0 = state_34; [L225] SORT_32 var_88_arg_1 = var_51; [L226] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L227] SORT_1 var_89_arg_0 = state_36; [L228] SORT_1 var_89 = ~var_89_arg_0; [L229] SORT_1 var_90_arg_0 = var_88; [L230] SORT_1 var_90_arg_1 = var_89; [L231] EXPR var_90_arg_0 & var_90_arg_1 [L231] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L232] SORT_1 var_91_arg_0 = state_26; [L233] SORT_1 var_91_arg_1 = var_90; [L234] EXPR var_91_arg_0 & var_91_arg_1 [L234] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L235] SORT_1 var_92_arg_0 = state_30; [L236] SORT_1 var_92_arg_1 = var_91; [L237] SORT_1 var_92_arg_2 = state_28; [L238] SORT_1 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L239] SORT_1 next_93_arg_1 = var_92; [L240] SORT_1 var_94_arg_0 = state_16; [L241] SORT_1 var_94 = ~var_94_arg_0; [L242] SORT_1 var_95_arg_0 = state_14; [L243] SORT_1 var_95_arg_1 = var_94; [L244] EXPR var_95_arg_0 & var_95_arg_1 [L244] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L245] SORT_1 var_96_arg_0 = state_18; [L246] SORT_1 var_96 = ~var_96_arg_0; [L247] SORT_1 var_97_arg_0 = var_95; [L248] SORT_1 var_97_arg_1 = var_96; [L249] EXPR var_97_arg_0 & var_97_arg_1 [L249] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L250] SORT_1 var_98_arg_0 = state_20; [L251] SORT_1 var_98 = ~var_98_arg_0; [L252] SORT_1 var_99_arg_0 = var_97; [L253] SORT_1 var_99_arg_1 = var_98; [L254] EXPR var_99_arg_0 & var_99_arg_1 [L254] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L255] SORT_1 var_100_arg_0 = state_22; [L256] SORT_1 var_100 = ~var_100_arg_0; [L257] SORT_1 var_101_arg_0 = var_99; [L258] SORT_1 var_101_arg_1 = var_100; [L259] EXPR var_101_arg_0 & var_101_arg_1 [L259] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L260] SORT_1 var_102_arg_0 = state_24; [L261] SORT_1 var_102 = ~var_102_arg_0; [L262] SORT_1 var_103_arg_0 = var_101; [L263] SORT_1 var_103_arg_1 = var_102; [L264] EXPR var_103_arg_0 & var_103_arg_1 [L264] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L265] SORT_1 var_104_arg_0 = state_26; [L266] SORT_1 var_104 = ~var_104_arg_0; [L267] SORT_1 var_105_arg_0 = var_103; [L268] SORT_1 var_105_arg_1 = var_104; [L269] EXPR var_105_arg_0 & var_105_arg_1 [L269] SORT_1 var_105 = var_105_arg_0 & var_105_arg_1; [L270] SORT_1 var_106_arg_0 = state_28; [L271] SORT_1 var_106 = ~var_106_arg_0; [L272] SORT_1 var_107_arg_0 = var_105; [L273] SORT_1 var_107_arg_1 = var_106; [L274] EXPR var_107_arg_0 & var_107_arg_1 [L274] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L275] SORT_1 var_108_arg_0 = state_5; [L276] SORT_1 var_108 = ~var_108_arg_0; [L277] SORT_1 var_109_arg_0 = var_107; [L278] SORT_1 var_109_arg_1 = var_108; [L279] EXPR var_109_arg_0 & var_109_arg_1 [L279] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L280] SORT_1 var_110_arg_0 = state_14; [L281] SORT_1 var_110 = ~var_110_arg_0; [L282] SORT_1 var_111_arg_0 = var_110; [L283] SORT_1 var_111_arg_1 = state_16; [L284] EXPR var_111_arg_0 & var_111_arg_1 [L284] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L285] SORT_1 var_112_arg_0 = state_18; [L286] SORT_1 var_112 = ~var_112_arg_0; [L287] SORT_1 var_113_arg_0 = var_111; [L288] SORT_1 var_113_arg_1 = var_112; [L289] EXPR var_113_arg_0 & var_113_arg_1 [L289] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L290] SORT_1 var_114_arg_0 = state_20; [L291] SORT_1 var_114 = ~var_114_arg_0; [L292] SORT_1 var_115_arg_0 = var_113; [L293] SORT_1 var_115_arg_1 = var_114; [L294] EXPR var_115_arg_0 & var_115_arg_1 [L294] SORT_1 var_115 = var_115_arg_0 & var_115_arg_1; [L295] SORT_1 var_116_arg_0 = state_22; [L296] SORT_1 var_116 = ~var_116_arg_0; [L297] SORT_1 var_117_arg_0 = var_115; [L298] SORT_1 var_117_arg_1 = var_116; [L299] EXPR var_117_arg_0 & var_117_arg_1 [L299] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L300] SORT_1 var_118_arg_0 = state_24; [L301] SORT_1 var_118 = ~var_118_arg_0; [L302] SORT_1 var_119_arg_0 = var_117; [L303] SORT_1 var_119_arg_1 = var_118; [L304] EXPR var_119_arg_0 & var_119_arg_1 [L304] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L305] SORT_1 var_120_arg_0 = state_26; [L306] SORT_1 var_120 = ~var_120_arg_0; [L307] SORT_1 var_121_arg_0 = var_119; [L308] SORT_1 var_121_arg_1 = var_120; [L309] EXPR var_121_arg_0 & var_121_arg_1 [L309] SORT_1 var_121 = var_121_arg_0 & var_121_arg_1; [L310] SORT_1 var_122_arg_0 = state_28; [L311] SORT_1 var_122 = ~var_122_arg_0; [L312] SORT_1 var_123_arg_0 = var_121; [L313] SORT_1 var_123_arg_1 = var_122; [L314] EXPR var_123_arg_0 & var_123_arg_1 [L314] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L315] SORT_1 var_124_arg_0 = state_5; [L316] SORT_1 var_124 = ~var_124_arg_0; [L317] SORT_1 var_125_arg_0 = var_123; [L318] SORT_1 var_125_arg_1 = var_124; [L319] EXPR var_125_arg_0 & var_125_arg_1 [L319] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L320] SORT_1 var_126_arg_0 = var_109; [L321] SORT_1 var_126_arg_1 = var_125; [L322] EXPR var_126_arg_0 | var_126_arg_1 [L322] SORT_1 var_126 = var_126_arg_0 | var_126_arg_1; [L323] SORT_1 var_127_arg_0 = state_14; [L324] SORT_1 var_127 = ~var_127_arg_0; [L325] SORT_1 var_128_arg_0 = state_16; [L326] SORT_1 var_128 = ~var_128_arg_0; [L327] SORT_1 var_129_arg_0 = var_127; [L328] SORT_1 var_129_arg_1 = var_128; [L329] EXPR var_129_arg_0 & var_129_arg_1 [L329] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L330] SORT_1 var_130_arg_0 = var_129; [L331] SORT_1 var_130_arg_1 = state_18; [L332] EXPR var_130_arg_0 & var_130_arg_1 [L332] SORT_1 var_130 = var_130_arg_0 & var_130_arg_1; [L333] SORT_1 var_131_arg_0 = state_20; [L334] SORT_1 var_131 = ~var_131_arg_0; [L335] SORT_1 var_132_arg_0 = var_130; [L336] SORT_1 var_132_arg_1 = var_131; [L337] EXPR var_132_arg_0 & var_132_arg_1 [L337] SORT_1 var_132 = var_132_arg_0 & var_132_arg_1; [L338] SORT_1 var_133_arg_0 = state_22; [L339] SORT_1 var_133 = ~var_133_arg_0; [L340] SORT_1 var_134_arg_0 = var_132; [L341] SORT_1 var_134_arg_1 = var_133; [L342] EXPR var_134_arg_0 & var_134_arg_1 [L342] SORT_1 var_134 = var_134_arg_0 & var_134_arg_1; [L343] SORT_1 var_135_arg_0 = state_24; [L344] SORT_1 var_135 = ~var_135_arg_0; [L345] SORT_1 var_136_arg_0 = var_134; [L346] SORT_1 var_136_arg_1 = var_135; [L347] EXPR var_136_arg_0 & var_136_arg_1 [L347] SORT_1 var_136 = var_136_arg_0 & var_136_arg_1; [L348] SORT_1 var_137_arg_0 = state_26; [L349] SORT_1 var_137 = ~var_137_arg_0; [L350] SORT_1 var_138_arg_0 = var_136; [L351] SORT_1 var_138_arg_1 = var_137; [L352] EXPR var_138_arg_0 & var_138_arg_1 [L352] SORT_1 var_138 = var_138_arg_0 & var_138_arg_1; [L353] SORT_1 var_139_arg_0 = state_28; [L354] SORT_1 var_139 = ~var_139_arg_0; [L355] SORT_1 var_140_arg_0 = var_138; [L356] SORT_1 var_140_arg_1 = var_139; [L357] EXPR var_140_arg_0 & var_140_arg_1 [L357] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L358] SORT_1 var_141_arg_0 = state_5; [L359] SORT_1 var_141 = ~var_141_arg_0; [L360] SORT_1 var_142_arg_0 = var_140; [L361] SORT_1 var_142_arg_1 = var_141; [L362] EXPR var_142_arg_0 & var_142_arg_1 [L362] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L363] SORT_1 var_143_arg_0 = var_126; [L364] SORT_1 var_143_arg_1 = var_142; [L365] EXPR var_143_arg_0 | var_143_arg_1 [L365] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L366] SORT_1 var_144_arg_0 = state_14; [L367] SORT_1 var_144 = ~var_144_arg_0; [L368] SORT_1 var_145_arg_0 = state_16; [L369] SORT_1 var_145 = ~var_145_arg_0; [L370] SORT_1 var_146_arg_0 = var_144; [L371] SORT_1 var_146_arg_1 = var_145; [L372] EXPR var_146_arg_0 & var_146_arg_1 [L372] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L373] SORT_1 var_147_arg_0 = state_18; [L374] SORT_1 var_147 = ~var_147_arg_0; [L375] SORT_1 var_148_arg_0 = var_146; [L376] SORT_1 var_148_arg_1 = var_147; [L377] EXPR var_148_arg_0 & var_148_arg_1 [L377] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L378] SORT_1 var_149_arg_0 = var_148; [L379] SORT_1 var_149_arg_1 = state_20; [L380] EXPR var_149_arg_0 & var_149_arg_1 [L380] SORT_1 var_149 = var_149_arg_0 & var_149_arg_1; [L381] SORT_1 var_150_arg_0 = state_22; [L382] SORT_1 var_150 = ~var_150_arg_0; [L383] SORT_1 var_151_arg_0 = var_149; [L384] SORT_1 var_151_arg_1 = var_150; [L385] EXPR var_151_arg_0 & var_151_arg_1 [L385] SORT_1 var_151 = var_151_arg_0 & var_151_arg_1; [L386] SORT_1 var_152_arg_0 = state_24; [L387] SORT_1 var_152 = ~var_152_arg_0; [L388] SORT_1 var_153_arg_0 = var_151; [L389] SORT_1 var_153_arg_1 = var_152; [L390] EXPR var_153_arg_0 & var_153_arg_1 [L390] SORT_1 var_153 = var_153_arg_0 & var_153_arg_1; [L391] SORT_1 var_154_arg_0 = state_26; [L392] SORT_1 var_154 = ~var_154_arg_0; [L393] SORT_1 var_155_arg_0 = var_153; [L394] SORT_1 var_155_arg_1 = var_154; [L395] EXPR var_155_arg_0 & var_155_arg_1 [L395] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L396] SORT_1 var_156_arg_0 = state_28; [L397] SORT_1 var_156 = ~var_156_arg_0; [L398] SORT_1 var_157_arg_0 = var_155; [L399] SORT_1 var_157_arg_1 = var_156; [L400] EXPR var_157_arg_0 & var_157_arg_1 [L400] SORT_1 var_157 = var_157_arg_0 & var_157_arg_1; [L401] SORT_1 var_158_arg_0 = state_5; [L402] SORT_1 var_158 = ~var_158_arg_0; [L403] SORT_1 var_159_arg_0 = var_157; [L404] SORT_1 var_159_arg_1 = var_158; [L405] EXPR var_159_arg_0 & var_159_arg_1 [L405] SORT_1 var_159 = var_159_arg_0 & var_159_arg_1; [L406] SORT_1 var_160_arg_0 = var_143; [L407] SORT_1 var_160_arg_1 = var_159; [L408] EXPR var_160_arg_0 | var_160_arg_1 [L408] SORT_1 var_160 = var_160_arg_0 | var_160_arg_1; [L409] SORT_1 var_161_arg_0 = state_14; [L410] SORT_1 var_161 = ~var_161_arg_0; [L411] SORT_1 var_162_arg_0 = state_16; [L412] SORT_1 var_162 = ~var_162_arg_0; [L413] SORT_1 var_163_arg_0 = var_161; [L414] SORT_1 var_163_arg_1 = var_162; [L415] EXPR var_163_arg_0 & var_163_arg_1 [L415] SORT_1 var_163 = var_163_arg_0 & var_163_arg_1; [L416] SORT_1 var_164_arg_0 = state_18; [L417] SORT_1 var_164 = ~var_164_arg_0; [L418] SORT_1 var_165_arg_0 = var_163; [L419] SORT_1 var_165_arg_1 = var_164; [L420] EXPR var_165_arg_0 & var_165_arg_1 [L420] SORT_1 var_165 = var_165_arg_0 & var_165_arg_1; [L421] SORT_1 var_166_arg_0 = state_20; [L422] SORT_1 var_166 = ~var_166_arg_0; [L423] SORT_1 var_167_arg_0 = var_165; [L424] SORT_1 var_167_arg_1 = var_166; [L425] EXPR var_167_arg_0 & var_167_arg_1 [L425] SORT_1 var_167 = var_167_arg_0 & var_167_arg_1; [L426] SORT_1 var_168_arg_0 = var_167; [L427] SORT_1 var_168_arg_1 = state_22; [L428] EXPR var_168_arg_0 & var_168_arg_1 [L428] SORT_1 var_168 = var_168_arg_0 & var_168_arg_1; [L429] SORT_1 var_169_arg_0 = state_24; [L430] SORT_1 var_169 = ~var_169_arg_0; [L431] SORT_1 var_170_arg_0 = var_168; [L432] SORT_1 var_170_arg_1 = var_169; [L433] EXPR var_170_arg_0 & var_170_arg_1 [L433] SORT_1 var_170 = var_170_arg_0 & var_170_arg_1; [L434] SORT_1 var_171_arg_0 = state_26; [L435] SORT_1 var_171 = ~var_171_arg_0; [L436] SORT_1 var_172_arg_0 = var_170; [L437] SORT_1 var_172_arg_1 = var_171; [L438] EXPR var_172_arg_0 & var_172_arg_1 [L438] SORT_1 var_172 = var_172_arg_0 & var_172_arg_1; [L439] SORT_1 var_173_arg_0 = state_28; [L440] SORT_1 var_173 = ~var_173_arg_0; [L441] SORT_1 var_174_arg_0 = var_172; [L442] SORT_1 var_174_arg_1 = var_173; [L443] EXPR var_174_arg_0 & var_174_arg_1 [L443] SORT_1 var_174 = var_174_arg_0 & var_174_arg_1; [L444] SORT_1 var_175_arg_0 = state_5; [L445] SORT_1 var_175 = ~var_175_arg_0; [L446] SORT_1 var_176_arg_0 = var_174; [L447] SORT_1 var_176_arg_1 = var_175; [L448] EXPR var_176_arg_0 & var_176_arg_1 [L448] SORT_1 var_176 = var_176_arg_0 & var_176_arg_1; [L449] SORT_1 var_177_arg_0 = var_160; [L450] SORT_1 var_177_arg_1 = var_176; [L451] EXPR var_177_arg_0 | var_177_arg_1 [L451] SORT_1 var_177 = var_177_arg_0 | var_177_arg_1; [L452] SORT_1 var_178_arg_0 = state_14; [L453] SORT_1 var_178 = ~var_178_arg_0; [L454] SORT_1 var_179_arg_0 = state_16; [L455] SORT_1 var_179 = ~var_179_arg_0; [L456] SORT_1 var_180_arg_0 = var_178; [L457] SORT_1 var_180_arg_1 = var_179; [L458] EXPR var_180_arg_0 & var_180_arg_1 [L458] SORT_1 var_180 = var_180_arg_0 & var_180_arg_1; [L459] SORT_1 var_181_arg_0 = state_18; [L460] SORT_1 var_181 = ~var_181_arg_0; [L461] SORT_1 var_182_arg_0 = var_180; [L462] SORT_1 var_182_arg_1 = var_181; [L463] EXPR var_182_arg_0 & var_182_arg_1 [L463] SORT_1 var_182 = var_182_arg_0 & var_182_arg_1; [L464] SORT_1 var_183_arg_0 = state_20; [L465] SORT_1 var_183 = ~var_183_arg_0; [L466] SORT_1 var_184_arg_0 = var_182; [L467] SORT_1 var_184_arg_1 = var_183; [L468] EXPR var_184_arg_0 & var_184_arg_1 [L468] SORT_1 var_184 = var_184_arg_0 & var_184_arg_1; [L469] SORT_1 var_185_arg_0 = state_22; [L470] SORT_1 var_185 = ~var_185_arg_0; [L471] SORT_1 var_186_arg_0 = var_184; [L472] SORT_1 var_186_arg_1 = var_185; [L473] EXPR var_186_arg_0 & var_186_arg_1 [L473] SORT_1 var_186 = var_186_arg_0 & var_186_arg_1; [L474] SORT_1 var_187_arg_0 = var_186; [L475] SORT_1 var_187_arg_1 = state_24; [L476] EXPR var_187_arg_0 & var_187_arg_1 [L476] SORT_1 var_187 = var_187_arg_0 & var_187_arg_1; [L477] SORT_1 var_188_arg_0 = state_26; [L478] SORT_1 var_188 = ~var_188_arg_0; [L479] SORT_1 var_189_arg_0 = var_187; [L480] SORT_1 var_189_arg_1 = var_188; [L481] EXPR var_189_arg_0 & var_189_arg_1 [L481] SORT_1 var_189 = var_189_arg_0 & var_189_arg_1; [L482] SORT_1 var_190_arg_0 = state_28; [L483] SORT_1 var_190 = ~var_190_arg_0; [L484] SORT_1 var_191_arg_0 = var_189; [L485] SORT_1 var_191_arg_1 = var_190; [L486] EXPR var_191_arg_0 & var_191_arg_1 [L486] SORT_1 var_191 = var_191_arg_0 & var_191_arg_1; [L487] SORT_1 var_192_arg_0 = state_5; [L488] SORT_1 var_192 = ~var_192_arg_0; [L489] SORT_1 var_193_arg_0 = var_191; [L490] SORT_1 var_193_arg_1 = var_192; [L491] EXPR var_193_arg_0 & var_193_arg_1 [L491] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L492] SORT_1 var_194_arg_0 = var_177; [L493] SORT_1 var_194_arg_1 = var_193; [L494] EXPR var_194_arg_0 | var_194_arg_1 [L494] SORT_1 var_194 = var_194_arg_0 | var_194_arg_1; [L495] SORT_1 var_195_arg_0 = state_14; [L496] SORT_1 var_195 = ~var_195_arg_0; [L497] SORT_1 var_196_arg_0 = state_16; [L498] SORT_1 var_196 = ~var_196_arg_0; [L499] SORT_1 var_197_arg_0 = var_195; [L500] SORT_1 var_197_arg_1 = var_196; [L501] EXPR var_197_arg_0 & var_197_arg_1 [L501] SORT_1 var_197 = var_197_arg_0 & var_197_arg_1; [L502] SORT_1 var_198_arg_0 = state_18; [L503] SORT_1 var_198 = ~var_198_arg_0; [L504] SORT_1 var_199_arg_0 = var_197; [L505] SORT_1 var_199_arg_1 = var_198; [L506] EXPR var_199_arg_0 & var_199_arg_1 [L506] SORT_1 var_199 = var_199_arg_0 & var_199_arg_1; [L507] SORT_1 var_200_arg_0 = state_20; [L508] SORT_1 var_200 = ~var_200_arg_0; [L509] SORT_1 var_201_arg_0 = var_199; [L510] SORT_1 var_201_arg_1 = var_200; [L511] EXPR var_201_arg_0 & var_201_arg_1 [L511] SORT_1 var_201 = var_201_arg_0 & var_201_arg_1; [L512] SORT_1 var_202_arg_0 = state_22; [L513] SORT_1 var_202 = ~var_202_arg_0; [L514] SORT_1 var_203_arg_0 = var_201; [L515] SORT_1 var_203_arg_1 = var_202; [L516] EXPR var_203_arg_0 & var_203_arg_1 [L516] SORT_1 var_203 = var_203_arg_0 & var_203_arg_1; [L517] SORT_1 var_204_arg_0 = state_24; [L518] SORT_1 var_204 = ~var_204_arg_0; [L519] SORT_1 var_205_arg_0 = var_203; [L520] SORT_1 var_205_arg_1 = var_204; [L521] EXPR var_205_arg_0 & var_205_arg_1 [L521] SORT_1 var_205 = var_205_arg_0 & var_205_arg_1; [L522] SORT_1 var_206_arg_0 = var_205; [L523] SORT_1 var_206_arg_1 = state_26; [L524] EXPR var_206_arg_0 & var_206_arg_1 [L524] SORT_1 var_206 = var_206_arg_0 & var_206_arg_1; [L525] SORT_1 var_207_arg_0 = state_28; [L526] SORT_1 var_207 = ~var_207_arg_0; [L527] SORT_1 var_208_arg_0 = var_206; [L528] SORT_1 var_208_arg_1 = var_207; [L529] EXPR var_208_arg_0 & var_208_arg_1 [L529] SORT_1 var_208 = var_208_arg_0 & var_208_arg_1; [L530] SORT_1 var_209_arg_0 = state_5; [L531] SORT_1 var_209 = ~var_209_arg_0; [L532] SORT_1 var_210_arg_0 = var_208; [L533] SORT_1 var_210_arg_1 = var_209; [L534] EXPR var_210_arg_0 & var_210_arg_1 [L534] SORT_1 var_210 = var_210_arg_0 & var_210_arg_1; [L535] SORT_1 var_211_arg_0 = var_194; [L536] SORT_1 var_211_arg_1 = var_210; [L537] EXPR var_211_arg_0 | var_211_arg_1 [L537] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L538] SORT_1 var_212_arg_0 = state_14; [L539] SORT_1 var_212 = ~var_212_arg_0; [L540] SORT_1 var_213_arg_0 = state_16; [L541] SORT_1 var_213 = ~var_213_arg_0; [L542] SORT_1 var_214_arg_0 = var_212; [L543] SORT_1 var_214_arg_1 = var_213; [L544] EXPR var_214_arg_0 & var_214_arg_1 [L544] SORT_1 var_214 = var_214_arg_0 & var_214_arg_1; [L545] SORT_1 var_215_arg_0 = state_18; [L546] SORT_1 var_215 = ~var_215_arg_0; [L547] SORT_1 var_216_arg_0 = var_214; [L548] SORT_1 var_216_arg_1 = var_215; [L549] EXPR var_216_arg_0 & var_216_arg_1 [L549] SORT_1 var_216 = var_216_arg_0 & var_216_arg_1; [L550] SORT_1 var_217_arg_0 = state_20; [L551] SORT_1 var_217 = ~var_217_arg_0; [L552] SORT_1 var_218_arg_0 = var_216; [L553] SORT_1 var_218_arg_1 = var_217; [L554] EXPR var_218_arg_0 & var_218_arg_1 [L554] SORT_1 var_218 = var_218_arg_0 & var_218_arg_1; [L555] SORT_1 var_219_arg_0 = state_22; [L556] SORT_1 var_219 = ~var_219_arg_0; [L557] SORT_1 var_220_arg_0 = var_218; [L558] SORT_1 var_220_arg_1 = var_219; [L559] EXPR var_220_arg_0 & var_220_arg_1 [L559] SORT_1 var_220 = var_220_arg_0 & var_220_arg_1; [L560] SORT_1 var_221_arg_0 = state_24; [L561] SORT_1 var_221 = ~var_221_arg_0; [L562] SORT_1 var_222_arg_0 = var_220; [L563] SORT_1 var_222_arg_1 = var_221; [L564] EXPR var_222_arg_0 & var_222_arg_1 [L564] SORT_1 var_222 = var_222_arg_0 & var_222_arg_1; [L565] SORT_1 var_223_arg_0 = state_26; [L566] SORT_1 var_223 = ~var_223_arg_0; [L567] SORT_1 var_224_arg_0 = var_222; [L568] SORT_1 var_224_arg_1 = var_223; [L569] EXPR var_224_arg_0 & var_224_arg_1 [L569] SORT_1 var_224 = var_224_arg_0 & var_224_arg_1; [L570] SORT_1 var_225_arg_0 = var_224; [L571] SORT_1 var_225_arg_1 = state_28; [L572] EXPR var_225_arg_0 & var_225_arg_1 [L572] SORT_1 var_225 = var_225_arg_0 & var_225_arg_1; [L573] SORT_1 var_226_arg_0 = state_5; [L574] SORT_1 var_226 = ~var_226_arg_0; [L575] SORT_1 var_227_arg_0 = var_225; [L576] SORT_1 var_227_arg_1 = var_226; [L577] EXPR var_227_arg_0 & var_227_arg_1 [L577] SORT_1 var_227 = var_227_arg_0 & var_227_arg_1; [L578] SORT_1 var_228_arg_0 = var_211; [L579] SORT_1 var_228_arg_1 = var_227; [L580] EXPR var_228_arg_0 | var_228_arg_1 [L580] SORT_1 var_228 = var_228_arg_0 | var_228_arg_1; [L581] SORT_1 var_229_arg_0 = state_14; [L582] SORT_1 var_229 = ~var_229_arg_0; [L583] SORT_1 var_230_arg_0 = state_16; [L584] SORT_1 var_230 = ~var_230_arg_0; [L585] SORT_1 var_231_arg_0 = var_229; [L586] SORT_1 var_231_arg_1 = var_230; [L587] EXPR var_231_arg_0 & var_231_arg_1 [L587] SORT_1 var_231 = var_231_arg_0 & var_231_arg_1; [L588] SORT_1 var_232_arg_0 = state_18; [L589] SORT_1 var_232 = ~var_232_arg_0; [L590] SORT_1 var_233_arg_0 = var_231; [L591] SORT_1 var_233_arg_1 = var_232; [L592] EXPR var_233_arg_0 & var_233_arg_1 [L592] SORT_1 var_233 = var_233_arg_0 & var_233_arg_1; [L593] SORT_1 var_234_arg_0 = state_20; [L594] SORT_1 var_234 = ~var_234_arg_0; [L595] SORT_1 var_235_arg_0 = var_233; [L596] SORT_1 var_235_arg_1 = var_234; [L597] EXPR var_235_arg_0 & var_235_arg_1 [L597] SORT_1 var_235 = var_235_arg_0 & var_235_arg_1; [L598] SORT_1 var_236_arg_0 = state_22; [L599] SORT_1 var_236 = ~var_236_arg_0; [L600] SORT_1 var_237_arg_0 = var_235; [L601] SORT_1 var_237_arg_1 = var_236; [L602] EXPR var_237_arg_0 & var_237_arg_1 [L602] SORT_1 var_237 = var_237_arg_0 & var_237_arg_1; [L603] SORT_1 var_238_arg_0 = state_24; [L604] SORT_1 var_238 = ~var_238_arg_0; [L605] SORT_1 var_239_arg_0 = var_237; [L606] SORT_1 var_239_arg_1 = var_238; [L607] EXPR var_239_arg_0 & var_239_arg_1 [L607] SORT_1 var_239 = var_239_arg_0 & var_239_arg_1; [L608] SORT_1 var_240_arg_0 = state_26; [L609] SORT_1 var_240 = ~var_240_arg_0; [L610] SORT_1 var_241_arg_0 = var_239; [L611] SORT_1 var_241_arg_1 = var_240; [L612] EXPR var_241_arg_0 & var_241_arg_1 [L612] SORT_1 var_241 = var_241_arg_0 & var_241_arg_1; [L613] SORT_1 var_242_arg_0 = state_28; [L614] SORT_1 var_242 = ~var_242_arg_0; [L615] SORT_1 var_243_arg_0 = var_241; [L616] SORT_1 var_243_arg_1 = var_242; [L617] EXPR var_243_arg_0 & var_243_arg_1 [L617] SORT_1 var_243 = var_243_arg_0 & var_243_arg_1; [L618] SORT_1 var_244_arg_0 = var_243; [L619] SORT_1 var_244_arg_1 = state_5; [L620] EXPR var_244_arg_0 & var_244_arg_1 [L620] SORT_1 var_244 = var_244_arg_0 & var_244_arg_1; [L621] SORT_1 var_245_arg_0 = var_228; [L622] SORT_1 var_245_arg_1 = var_244; [L623] EXPR var_245_arg_0 | var_245_arg_1 [L623] SORT_1 var_245 = var_245_arg_0 | var_245_arg_1; [L624] EXPR var_245 & mask_SORT_1 [L624] var_245 = var_245 & mask_SORT_1 [L625] SORT_1 next_246_arg_1 = var_245; [L626] SORT_32 var_252_arg_0 = state_34; [L627] SORT_32 var_252_arg_1 = var_33; [L628] SORT_1 var_252 = var_252_arg_0 == var_252_arg_1; [L629] SORT_1 var_253_arg_0 = var_252; [L630] SORT_1 var_253_arg_1 = state_36; [L631] EXPR var_253_arg_0 & var_253_arg_1 [L631] SORT_1 var_253 = var_253_arg_0 & var_253_arg_1; [L632] EXPR var_253 & mask_SORT_1 [L632] var_253 = var_253 & mask_SORT_1 [L633] SORT_1 var_254_arg_0 = var_253; [L634] SORT_32 var_254_arg_1 = var_51; [L635] SORT_32 var_254_arg_2 = state_34; [L636] SORT_32 var_254 = var_254_arg_0 ? var_254_arg_1 : var_254_arg_2; [L637] SORT_32 var_247_arg_0 = state_34; [L638] SORT_32 var_247_arg_1 = var_51; [L639] SORT_1 var_247 = var_247_arg_0 == var_247_arg_1; [L640] SORT_1 var_248_arg_0 = state_36; [L641] SORT_1 var_248 = ~var_248_arg_0; [L642] SORT_1 var_249_arg_0 = var_247; [L643] SORT_1 var_249_arg_1 = var_248; [L644] EXPR var_249_arg_0 & var_249_arg_1 [L644] SORT_1 var_249 = var_249_arg_0 & var_249_arg_1; [L645] EXPR var_249 & mask_SORT_1 [L645] var_249 = var_249 & mask_SORT_1 [L646] SORT_1 var_250_arg_0 = var_249; [L647] SORT_32 var_250_arg_1 = var_39; [L648] SORT_32 var_250_arg_2 = state_34; [L649] SORT_32 var_250 = var_250_arg_0 ? var_250_arg_1 : var_250_arg_2; [L650] SORT_1 var_251_arg_0 = state_26; [L651] SORT_32 var_251_arg_1 = var_250; [L652] SORT_32 var_251_arg_2 = state_34; [L653] SORT_32 var_251 = var_251_arg_0 ? var_251_arg_1 : var_251_arg_2; [L654] SORT_1 var_255_arg_0 = state_22; [L655] SORT_32 var_255_arg_1 = var_254; [L656] SORT_32 var_255_arg_2 = var_251; [L657] SORT_32 var_255 = var_255_arg_0 ? var_255_arg_1 : var_255_arg_2; [L658] SORT_1 var_256_arg_0 = state_30; [L659] SORT_32 var_256_arg_1 = var_255; [L660] SORT_32 var_256_arg_2 = state_34; [L661] SORT_32 var_256 = var_256_arg_0 ? var_256_arg_1 : var_256_arg_2; [L662] EXPR var_256 & mask_SORT_32 [L662] var_256 = var_256 & mask_SORT_32 [L663] SORT_32 next_257_arg_1 = var_256; [L664] SORT_32 var_258_arg_0 = state_34; [L665] SORT_32 var_258_arg_1 = var_39; [L666] SORT_1 var_258 = var_258_arg_0 < var_258_arg_1; [L667] SORT_1 var_259_arg_0 = var_258; [L668] SORT_1 var_259_arg_1 = input_3; [L669] SORT_1 var_259_arg_2 = state_36; [L670] SORT_1 var_259 = var_259_arg_0 ? var_259_arg_1 : var_259_arg_2; [L671] SORT_1 var_260_arg_0 = state_18; [L672] SORT_1 var_260_arg_1 = var_259; [L673] SORT_1 var_260_arg_2 = state_36; [L674] SORT_1 var_260 = var_260_arg_0 ? var_260_arg_1 : var_260_arg_2; [L675] SORT_1 var_261_arg_0 = state_30; [L676] SORT_1 var_261_arg_1 = var_260; [L677] SORT_1 var_261_arg_2 = state_36; [L678] SORT_1 var_261 = var_261_arg_0 ? var_261_arg_1 : var_261_arg_2; [L679] SORT_1 next_262_arg_1 = var_261; [L681] state_5 = next_47_arg_1 [L682] state_14 = next_49_arg_1 [L683] state_16 = next_60_arg_1 [L684] state_18 = next_66_arg_1 [L685] state_20 = next_70_arg_1 [L686] state_22 = next_76_arg_1 [L687] state_24 = next_81_arg_1 [L688] state_26 = next_87_arg_1 [L689] state_28 = next_93_arg_1 [L690] state_30 = next_246_arg_1 [L691] state_34 = next_257_arg_1 [L692] state_36 = next_262_arg_1 [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L84] SORT_1 var_7_arg_0 = state_5; [L85] SORT_1 var_7 = ~var_7_arg_0; [L86] SORT_1 var_11_arg_0 = var_7; [L87] SORT_1 var_11 = ~var_11_arg_0; [L88] SORT_1 var_12_arg_0 = var_10; [L89] SORT_1 var_12_arg_1 = var_11; [L90] EXPR var_12_arg_0 & var_12_arg_1 [L90] SORT_1 var_12 = var_12_arg_0 & var_12_arg_1; [L91] EXPR var_12 & mask_SORT_1 [L91] var_12 = var_12 & mask_SORT_1 [L92] SORT_1 bad_13_arg_0 = var_12; [L93] CALL __VERIFIER_assert(!(bad_13_arg_0)) [L21] COND FALSE !(!(cond)) [L93] RET __VERIFIER_assert(!(bad_13_arg_0)) [L95] SORT_32 var_40_arg_0 = state_34; [L96] SORT_32 var_40_arg_1 = var_39; [L97] SORT_1 var_40 = var_40_arg_0 != var_40_arg_1; [L98] SORT_1 var_41_arg_0 = state_36; [L99] SORT_1 var_41 = ~var_41_arg_0; [L100] SORT_1 var_42_arg_0 = var_40; [L101] SORT_1 var_42_arg_1 = var_41; [L102] EXPR var_42_arg_0 | var_42_arg_1 [L102] SORT_1 var_42 = var_42_arg_0 | var_42_arg_1; [L103] SORT_1 var_43_arg_0 = var_42; [L104] SORT_1 var_43 = ~var_43_arg_0; [L105] SORT_1 var_44_arg_0 = state_16; [L106] SORT_1 var_44_arg_1 = var_43; [L107] EXPR var_44_arg_0 & var_44_arg_1 [L107] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L108] SORT_1 var_45_arg_0 = state_5; [L109] SORT_1 var_45_arg_1 = var_44; [L110] EXPR var_45_arg_0 | var_45_arg_1 [L110] SORT_1 var_45 = var_45_arg_0 | var_45_arg_1; [L111] SORT_1 var_46_arg_0 = state_30; [L112] SORT_1 var_46_arg_1 = var_45; [L113] SORT_1 var_46_arg_2 = state_5; [L114] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L115] SORT_1 next_47_arg_1 = var_46; [L116] SORT_1 var_48_arg_0 = state_30; [L117] SORT_1 var_48_arg_1 = var_4; [L118] SORT_1 var_48_arg_2 = state_14; [L119] SORT_1 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L120] SORT_1 next_49_arg_1 = var_48; [L121] SORT_1 var_50_arg_0 = state_14; [L122] SORT_1 var_50_arg_1 = state_24; [L123] EXPR var_50_arg_0 | var_50_arg_1 [L123] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L124] SORT_32 var_52_arg_0 = state_34; [L125] SORT_32 var_52_arg_1 = var_51; [L126] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L127] SORT_1 var_53_arg_0 = state_36; [L128] SORT_1 var_53 = ~var_53_arg_0; [L129] SORT_1 var_54_arg_0 = var_52; [L130] SORT_1 var_54_arg_1 = var_53; [L131] EXPR var_54_arg_0 & var_54_arg_1 [L131] SORT_1 var_54 = var_54_arg_0 & var_54_arg_1; [L132] SORT_1 var_55_arg_0 = var_54; [L133] SORT_1 var_55 = ~var_55_arg_0; [L134] SORT_1 var_56_arg_0 = state_26; [L135] SORT_1 var_56_arg_1 = var_55; [L136] EXPR var_56_arg_0 & var_56_arg_1 [L136] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L137] SORT_1 var_57_arg_0 = var_50; [L138] SORT_1 var_57_arg_1 = var_56; [L139] EXPR var_57_arg_0 | var_57_arg_1 [L139] SORT_1 var_57 = var_57_arg_0 | var_57_arg_1; [L140] SORT_1 var_58_arg_0 = var_57; [L141] SORT_1 var_58_arg_1 = state_28; [L142] EXPR var_58_arg_0 | var_58_arg_1 [L142] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L143] SORT_1 var_59_arg_0 = state_30; [L144] SORT_1 var_59_arg_1 = var_58; [L145] SORT_1 var_59_arg_2 = state_16; [L146] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L147] SORT_1 next_60_arg_1 = var_59; [L148] SORT_32 var_61_arg_0 = state_34; [L149] SORT_32 var_61_arg_1 = var_39; [L150] SORT_1 var_61 = var_61_arg_0 != var_61_arg_1; [L151] SORT_1 var_62_arg_0 = state_36; [L152] SORT_1 var_62 = ~var_62_arg_0; [L153] SORT_1 var_63_arg_0 = var_61; [L154] SORT_1 var_63_arg_1 = var_62; [L155] EXPR var_63_arg_0 | var_63_arg_1 [L155] SORT_1 var_63 = var_63_arg_0 | var_63_arg_1; [L156] SORT_1 var_64_arg_0 = state_16; [L157] SORT_1 var_64_arg_1 = var_63; [L158] EXPR var_64_arg_0 & var_64_arg_1 [L158] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L159] SORT_1 var_65_arg_0 = state_30; [L160] SORT_1 var_65_arg_1 = var_64; [L161] SORT_1 var_65_arg_2 = state_18; [L162] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L163] EXPR var_65 & mask_SORT_1 [L163] var_65 = var_65 & mask_SORT_1 [L164] SORT_1 next_66_arg_1 = var_65; [L165] SORT_32 var_67_arg_0 = state_34; [L166] SORT_32 var_67_arg_1 = var_39; [L167] SORT_1 var_67 = var_67_arg_0 < var_67_arg_1; [L168] SORT_1 var_68_arg_0 = state_18; [L169] SORT_1 var_68_arg_1 = var_67; [L170] EXPR var_68_arg_0 & var_68_arg_1 [L170] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L171] SORT_1 var_69_arg_0 = state_30; [L172] SORT_1 var_69_arg_1 = var_68; [L173] SORT_1 var_69_arg_2 = state_20; [L174] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L175] SORT_1 next_70_arg_1 = var_69; [L176] SORT_32 var_71_arg_0 = state_34; [L177] SORT_32 var_71_arg_1 = var_39; [L178] SORT_1 var_71 = var_71_arg_0 < var_71_arg_1; [L179] SORT_1 var_72_arg_0 = var_71; [L180] SORT_1 var_72 = ~var_72_arg_0; [L181] SORT_1 var_73_arg_0 = state_18; [L182] SORT_1 var_73_arg_1 = var_72; [L183] EXPR var_73_arg_0 & var_73_arg_1 [L183] SORT_1 var_73 = var_73_arg_0 & var_73_arg_1; [L184] SORT_1 var_74_arg_0 = state_20; [L185] SORT_1 var_74_arg_1 = var_73; [L186] EXPR var_74_arg_0 | var_74_arg_1 [L186] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L187] SORT_1 var_75_arg_0 = state_30; [L188] SORT_1 var_75_arg_1 = var_74; [L189] SORT_1 var_75_arg_2 = state_22; [L190] SORT_1 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L191] EXPR var_75 & mask_SORT_1 [L191] var_75 = var_75 & mask_SORT_1 [L192] SORT_1 next_76_arg_1 = var_75; [L193] SORT_32 var_77_arg_0 = state_34; [L194] SORT_32 var_77_arg_1 = var_33; [L195] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L196] SORT_1 var_78_arg_0 = var_77; [L197] SORT_1 var_78_arg_1 = state_36; [L198] EXPR var_78_arg_0 & var_78_arg_1 [L198] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L199] SORT_1 var_79_arg_0 = state_22; [L200] SORT_1 var_79_arg_1 = var_78; [L201] EXPR var_79_arg_0 & var_79_arg_1 [L201] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L202] SORT_1 var_80_arg_0 = state_30; [L203] SORT_1 var_80_arg_1 = var_79; [L204] SORT_1 var_80_arg_2 = state_24; [L205] SORT_1 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L206] SORT_1 next_81_arg_1 = var_80; [L207] SORT_32 var_82_arg_0 = state_34; [L208] SORT_32 var_82_arg_1 = var_33; [L209] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L210] SORT_1 var_83_arg_0 = var_82; [L211] SORT_1 var_83_arg_1 = state_36; [L212] EXPR var_83_arg_0 & var_83_arg_1 [L212] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L213] SORT_1 var_84_arg_0 = var_83; [L214] SORT_1 var_84 = ~var_84_arg_0; [L215] SORT_1 var_85_arg_0 = state_22; [L216] SORT_1 var_85_arg_1 = var_84; [L217] EXPR var_85_arg_0 & var_85_arg_1 [L217] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L218] SORT_1 var_86_arg_0 = state_30; [L219] SORT_1 var_86_arg_1 = var_85; [L220] SORT_1 var_86_arg_2 = state_26; [L221] SORT_1 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L222] EXPR var_86 & mask_SORT_1 [L222] var_86 = var_86 & mask_SORT_1 [L223] SORT_1 next_87_arg_1 = var_86; [L224] SORT_32 var_88_arg_0 = state_34; [L225] SORT_32 var_88_arg_1 = var_51; [L226] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L227] SORT_1 var_89_arg_0 = state_36; [L228] SORT_1 var_89 = ~var_89_arg_0; [L229] SORT_1 var_90_arg_0 = var_88; [L230] SORT_1 var_90_arg_1 = var_89; [L231] EXPR var_90_arg_0 & var_90_arg_1 [L231] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L232] SORT_1 var_91_arg_0 = state_26; [L233] SORT_1 var_91_arg_1 = var_90; [L234] EXPR var_91_arg_0 & var_91_arg_1 [L234] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L235] SORT_1 var_92_arg_0 = state_30; [L236] SORT_1 var_92_arg_1 = var_91; [L237] SORT_1 var_92_arg_2 = state_28; [L238] SORT_1 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L239] SORT_1 next_93_arg_1 = var_92; [L240] SORT_1 var_94_arg_0 = state_16; [L241] SORT_1 var_94 = ~var_94_arg_0; [L242] SORT_1 var_95_arg_0 = state_14; [L243] SORT_1 var_95_arg_1 = var_94; [L244] EXPR var_95_arg_0 & var_95_arg_1 [L244] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L245] SORT_1 var_96_arg_0 = state_18; [L246] SORT_1 var_96 = ~var_96_arg_0; [L247] SORT_1 var_97_arg_0 = var_95; [L248] SORT_1 var_97_arg_1 = var_96; [L249] EXPR var_97_arg_0 & var_97_arg_1 [L249] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L250] SORT_1 var_98_arg_0 = state_20; [L251] SORT_1 var_98 = ~var_98_arg_0; [L252] SORT_1 var_99_arg_0 = var_97; [L253] SORT_1 var_99_arg_1 = var_98; [L254] EXPR var_99_arg_0 & var_99_arg_1 [L254] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L255] SORT_1 var_100_arg_0 = state_22; [L256] SORT_1 var_100 = ~var_100_arg_0; [L257] SORT_1 var_101_arg_0 = var_99; [L258] SORT_1 var_101_arg_1 = var_100; [L259] EXPR var_101_arg_0 & var_101_arg_1 [L259] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L260] SORT_1 var_102_arg_0 = state_24; [L261] SORT_1 var_102 = ~var_102_arg_0; [L262] SORT_1 var_103_arg_0 = var_101; [L263] SORT_1 var_103_arg_1 = var_102; [L264] EXPR var_103_arg_0 & var_103_arg_1 [L264] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L265] SORT_1 var_104_arg_0 = state_26; [L266] SORT_1 var_104 = ~var_104_arg_0; [L267] SORT_1 var_105_arg_0 = var_103; [L268] SORT_1 var_105_arg_1 = var_104; [L269] EXPR var_105_arg_0 & var_105_arg_1 [L269] SORT_1 var_105 = var_105_arg_0 & var_105_arg_1; [L270] SORT_1 var_106_arg_0 = state_28; [L271] SORT_1 var_106 = ~var_106_arg_0; [L272] SORT_1 var_107_arg_0 = var_105; [L273] SORT_1 var_107_arg_1 = var_106; [L274] EXPR var_107_arg_0 & var_107_arg_1 [L274] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L275] SORT_1 var_108_arg_0 = state_5; [L276] SORT_1 var_108 = ~var_108_arg_0; [L277] SORT_1 var_109_arg_0 = var_107; [L278] SORT_1 var_109_arg_1 = var_108; [L279] EXPR var_109_arg_0 & var_109_arg_1 [L279] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L280] SORT_1 var_110_arg_0 = state_14; [L281] SORT_1 var_110 = ~var_110_arg_0; [L282] SORT_1 var_111_arg_0 = var_110; [L283] SORT_1 var_111_arg_1 = state_16; [L284] EXPR var_111_arg_0 & var_111_arg_1 [L284] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L285] SORT_1 var_112_arg_0 = state_18; [L286] SORT_1 var_112 = ~var_112_arg_0; [L287] SORT_1 var_113_arg_0 = var_111; [L288] SORT_1 var_113_arg_1 = var_112; [L289] EXPR var_113_arg_0 & var_113_arg_1 [L289] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L290] SORT_1 var_114_arg_0 = state_20; [L291] SORT_1 var_114 = ~var_114_arg_0; [L292] SORT_1 var_115_arg_0 = var_113; [L293] SORT_1 var_115_arg_1 = var_114; [L294] EXPR var_115_arg_0 & var_115_arg_1 [L294] SORT_1 var_115 = var_115_arg_0 & var_115_arg_1; [L295] SORT_1 var_116_arg_0 = state_22; [L296] SORT_1 var_116 = ~var_116_arg_0; [L297] SORT_1 var_117_arg_0 = var_115; [L298] SORT_1 var_117_arg_1 = var_116; [L299] EXPR var_117_arg_0 & var_117_arg_1 [L299] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L300] SORT_1 var_118_arg_0 = state_24; [L301] SORT_1 var_118 = ~var_118_arg_0; [L302] SORT_1 var_119_arg_0 = var_117; [L303] SORT_1 var_119_arg_1 = var_118; [L304] EXPR var_119_arg_0 & var_119_arg_1 [L304] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L305] SORT_1 var_120_arg_0 = state_26; [L306] SORT_1 var_120 = ~var_120_arg_0; [L307] SORT_1 var_121_arg_0 = var_119; [L308] SORT_1 var_121_arg_1 = var_120; [L309] EXPR var_121_arg_0 & var_121_arg_1 [L309] SORT_1 var_121 = var_121_arg_0 & var_121_arg_1; [L310] SORT_1 var_122_arg_0 = state_28; [L311] SORT_1 var_122 = ~var_122_arg_0; [L312] SORT_1 var_123_arg_0 = var_121; [L313] SORT_1 var_123_arg_1 = var_122; [L314] EXPR var_123_arg_0 & var_123_arg_1 [L314] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L315] SORT_1 var_124_arg_0 = state_5; [L316] SORT_1 var_124 = ~var_124_arg_0; [L317] SORT_1 var_125_arg_0 = var_123; [L318] SORT_1 var_125_arg_1 = var_124; [L319] EXPR var_125_arg_0 & var_125_arg_1 [L319] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L320] SORT_1 var_126_arg_0 = var_109; [L321] SORT_1 var_126_arg_1 = var_125; [L322] EXPR var_126_arg_0 | var_126_arg_1 [L322] SORT_1 var_126 = var_126_arg_0 | var_126_arg_1; [L323] SORT_1 var_127_arg_0 = state_14; [L324] SORT_1 var_127 = ~var_127_arg_0; [L325] SORT_1 var_128_arg_0 = state_16; [L326] SORT_1 var_128 = ~var_128_arg_0; [L327] SORT_1 var_129_arg_0 = var_127; [L328] SORT_1 var_129_arg_1 = var_128; [L329] EXPR var_129_arg_0 & var_129_arg_1 [L329] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L330] SORT_1 var_130_arg_0 = var_129; [L331] SORT_1 var_130_arg_1 = state_18; [L332] EXPR var_130_arg_0 & var_130_arg_1 [L332] SORT_1 var_130 = var_130_arg_0 & var_130_arg_1; [L333] SORT_1 var_131_arg_0 = state_20; [L334] SORT_1 var_131 = ~var_131_arg_0; [L335] SORT_1 var_132_arg_0 = var_130; [L336] SORT_1 var_132_arg_1 = var_131; [L337] EXPR var_132_arg_0 & var_132_arg_1 [L337] SORT_1 var_132 = var_132_arg_0 & var_132_arg_1; [L338] SORT_1 var_133_arg_0 = state_22; [L339] SORT_1 var_133 = ~var_133_arg_0; [L340] SORT_1 var_134_arg_0 = var_132; [L341] SORT_1 var_134_arg_1 = var_133; [L342] EXPR var_134_arg_0 & var_134_arg_1 [L342] SORT_1 var_134 = var_134_arg_0 & var_134_arg_1; [L343] SORT_1 var_135_arg_0 = state_24; [L344] SORT_1 var_135 = ~var_135_arg_0; [L345] SORT_1 var_136_arg_0 = var_134; [L346] SORT_1 var_136_arg_1 = var_135; [L347] EXPR var_136_arg_0 & var_136_arg_1 [L347] SORT_1 var_136 = var_136_arg_0 & var_136_arg_1; [L348] SORT_1 var_137_arg_0 = state_26; [L349] SORT_1 var_137 = ~var_137_arg_0; [L350] SORT_1 var_138_arg_0 = var_136; [L351] SORT_1 var_138_arg_1 = var_137; [L352] EXPR var_138_arg_0 & var_138_arg_1 [L352] SORT_1 var_138 = var_138_arg_0 & var_138_arg_1; [L353] SORT_1 var_139_arg_0 = state_28; [L354] SORT_1 var_139 = ~var_139_arg_0; [L355] SORT_1 var_140_arg_0 = var_138; [L356] SORT_1 var_140_arg_1 = var_139; [L357] EXPR var_140_arg_0 & var_140_arg_1 [L357] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L358] SORT_1 var_141_arg_0 = state_5; [L359] SORT_1 var_141 = ~var_141_arg_0; [L360] SORT_1 var_142_arg_0 = var_140; [L361] SORT_1 var_142_arg_1 = var_141; [L362] EXPR var_142_arg_0 & var_142_arg_1 [L362] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L363] SORT_1 var_143_arg_0 = var_126; [L364] SORT_1 var_143_arg_1 = var_142; [L365] EXPR var_143_arg_0 | var_143_arg_1 [L365] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L366] SORT_1 var_144_arg_0 = state_14; [L367] SORT_1 var_144 = ~var_144_arg_0; [L368] SORT_1 var_145_arg_0 = state_16; [L369] SORT_1 var_145 = ~var_145_arg_0; [L370] SORT_1 var_146_arg_0 = var_144; [L371] SORT_1 var_146_arg_1 = var_145; [L372] EXPR var_146_arg_0 & var_146_arg_1 [L372] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L373] SORT_1 var_147_arg_0 = state_18; [L374] SORT_1 var_147 = ~var_147_arg_0; [L375] SORT_1 var_148_arg_0 = var_146; [L376] SORT_1 var_148_arg_1 = var_147; [L377] EXPR var_148_arg_0 & var_148_arg_1 [L377] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L378] SORT_1 var_149_arg_0 = var_148; [L379] SORT_1 var_149_arg_1 = state_20; [L380] EXPR var_149_arg_0 & var_149_arg_1 [L380] SORT_1 var_149 = var_149_arg_0 & var_149_arg_1; [L381] SORT_1 var_150_arg_0 = state_22; [L382] SORT_1 var_150 = ~var_150_arg_0; [L383] SORT_1 var_151_arg_0 = var_149; [L384] SORT_1 var_151_arg_1 = var_150; [L385] EXPR var_151_arg_0 & var_151_arg_1 [L385] SORT_1 var_151 = var_151_arg_0 & var_151_arg_1; [L386] SORT_1 var_152_arg_0 = state_24; [L387] SORT_1 var_152 = ~var_152_arg_0; [L388] SORT_1 var_153_arg_0 = var_151; [L389] SORT_1 var_153_arg_1 = var_152; [L390] EXPR var_153_arg_0 & var_153_arg_1 [L390] SORT_1 var_153 = var_153_arg_0 & var_153_arg_1; [L391] SORT_1 var_154_arg_0 = state_26; [L392] SORT_1 var_154 = ~var_154_arg_0; [L393] SORT_1 var_155_arg_0 = var_153; [L394] SORT_1 var_155_arg_1 = var_154; [L395] EXPR var_155_arg_0 & var_155_arg_1 [L395] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L396] SORT_1 var_156_arg_0 = state_28; [L397] SORT_1 var_156 = ~var_156_arg_0; [L398] SORT_1 var_157_arg_0 = var_155; [L399] SORT_1 var_157_arg_1 = var_156; [L400] EXPR var_157_arg_0 & var_157_arg_1 [L400] SORT_1 var_157 = var_157_arg_0 & var_157_arg_1; [L401] SORT_1 var_158_arg_0 = state_5; [L402] SORT_1 var_158 = ~var_158_arg_0; [L403] SORT_1 var_159_arg_0 = var_157; [L404] SORT_1 var_159_arg_1 = var_158; [L405] EXPR var_159_arg_0 & var_159_arg_1 [L405] SORT_1 var_159 = var_159_arg_0 & var_159_arg_1; [L406] SORT_1 var_160_arg_0 = var_143; [L407] SORT_1 var_160_arg_1 = var_159; [L408] EXPR var_160_arg_0 | var_160_arg_1 [L408] SORT_1 var_160 = var_160_arg_0 | var_160_arg_1; [L409] SORT_1 var_161_arg_0 = state_14; [L410] SORT_1 var_161 = ~var_161_arg_0; [L411] SORT_1 var_162_arg_0 = state_16; [L412] SORT_1 var_162 = ~var_162_arg_0; [L413] SORT_1 var_163_arg_0 = var_161; [L414] SORT_1 var_163_arg_1 = var_162; [L415] EXPR var_163_arg_0 & var_163_arg_1 [L415] SORT_1 var_163 = var_163_arg_0 & var_163_arg_1; [L416] SORT_1 var_164_arg_0 = state_18; [L417] SORT_1 var_164 = ~var_164_arg_0; [L418] SORT_1 var_165_arg_0 = var_163; [L419] SORT_1 var_165_arg_1 = var_164; [L420] EXPR var_165_arg_0 & var_165_arg_1 [L420] SORT_1 var_165 = var_165_arg_0 & var_165_arg_1; [L421] SORT_1 var_166_arg_0 = state_20; [L422] SORT_1 var_166 = ~var_166_arg_0; [L423] SORT_1 var_167_arg_0 = var_165; [L424] SORT_1 var_167_arg_1 = var_166; [L425] EXPR var_167_arg_0 & var_167_arg_1 [L425] SORT_1 var_167 = var_167_arg_0 & var_167_arg_1; [L426] SORT_1 var_168_arg_0 = var_167; [L427] SORT_1 var_168_arg_1 = state_22; [L428] EXPR var_168_arg_0 & var_168_arg_1 [L428] SORT_1 var_168 = var_168_arg_0 & var_168_arg_1; [L429] SORT_1 var_169_arg_0 = state_24; [L430] SORT_1 var_169 = ~var_169_arg_0; [L431] SORT_1 var_170_arg_0 = var_168; [L432] SORT_1 var_170_arg_1 = var_169; [L433] EXPR var_170_arg_0 & var_170_arg_1 [L433] SORT_1 var_170 = var_170_arg_0 & var_170_arg_1; [L434] SORT_1 var_171_arg_0 = state_26; [L435] SORT_1 var_171 = ~var_171_arg_0; [L436] SORT_1 var_172_arg_0 = var_170; [L437] SORT_1 var_172_arg_1 = var_171; [L438] EXPR var_172_arg_0 & var_172_arg_1 [L438] SORT_1 var_172 = var_172_arg_0 & var_172_arg_1; [L439] SORT_1 var_173_arg_0 = state_28; [L440] SORT_1 var_173 = ~var_173_arg_0; [L441] SORT_1 var_174_arg_0 = var_172; [L442] SORT_1 var_174_arg_1 = var_173; [L443] EXPR var_174_arg_0 & var_174_arg_1 [L443] SORT_1 var_174 = var_174_arg_0 & var_174_arg_1; [L444] SORT_1 var_175_arg_0 = state_5; [L445] SORT_1 var_175 = ~var_175_arg_0; [L446] SORT_1 var_176_arg_0 = var_174; [L447] SORT_1 var_176_arg_1 = var_175; [L448] EXPR var_176_arg_0 & var_176_arg_1 [L448] SORT_1 var_176 = var_176_arg_0 & var_176_arg_1; [L449] SORT_1 var_177_arg_0 = var_160; [L450] SORT_1 var_177_arg_1 = var_176; [L451] EXPR var_177_arg_0 | var_177_arg_1 [L451] SORT_1 var_177 = var_177_arg_0 | var_177_arg_1; [L452] SORT_1 var_178_arg_0 = state_14; [L453] SORT_1 var_178 = ~var_178_arg_0; [L454] SORT_1 var_179_arg_0 = state_16; [L455] SORT_1 var_179 = ~var_179_arg_0; [L456] SORT_1 var_180_arg_0 = var_178; [L457] SORT_1 var_180_arg_1 = var_179; [L458] EXPR var_180_arg_0 & var_180_arg_1 [L458] SORT_1 var_180 = var_180_arg_0 & var_180_arg_1; [L459] SORT_1 var_181_arg_0 = state_18; [L460] SORT_1 var_181 = ~var_181_arg_0; [L461] SORT_1 var_182_arg_0 = var_180; [L462] SORT_1 var_182_arg_1 = var_181; [L463] EXPR var_182_arg_0 & var_182_arg_1 [L463] SORT_1 var_182 = var_182_arg_0 & var_182_arg_1; [L464] SORT_1 var_183_arg_0 = state_20; [L465] SORT_1 var_183 = ~var_183_arg_0; [L466] SORT_1 var_184_arg_0 = var_182; [L467] SORT_1 var_184_arg_1 = var_183; [L468] EXPR var_184_arg_0 & var_184_arg_1 [L468] SORT_1 var_184 = var_184_arg_0 & var_184_arg_1; [L469] SORT_1 var_185_arg_0 = state_22; [L470] SORT_1 var_185 = ~var_185_arg_0; [L471] SORT_1 var_186_arg_0 = var_184; [L472] SORT_1 var_186_arg_1 = var_185; [L473] EXPR var_186_arg_0 & var_186_arg_1 [L473] SORT_1 var_186 = var_186_arg_0 & var_186_arg_1; [L474] SORT_1 var_187_arg_0 = var_186; [L475] SORT_1 var_187_arg_1 = state_24; [L476] EXPR var_187_arg_0 & var_187_arg_1 [L476] SORT_1 var_187 = var_187_arg_0 & var_187_arg_1; [L477] SORT_1 var_188_arg_0 = state_26; [L478] SORT_1 var_188 = ~var_188_arg_0; [L479] SORT_1 var_189_arg_0 = var_187; [L480] SORT_1 var_189_arg_1 = var_188; [L481] EXPR var_189_arg_0 & var_189_arg_1 [L481] SORT_1 var_189 = var_189_arg_0 & var_189_arg_1; [L482] SORT_1 var_190_arg_0 = state_28; [L483] SORT_1 var_190 = ~var_190_arg_0; [L484] SORT_1 var_191_arg_0 = var_189; [L485] SORT_1 var_191_arg_1 = var_190; [L486] EXPR var_191_arg_0 & var_191_arg_1 [L486] SORT_1 var_191 = var_191_arg_0 & var_191_arg_1; [L487] SORT_1 var_192_arg_0 = state_5; [L488] SORT_1 var_192 = ~var_192_arg_0; [L489] SORT_1 var_193_arg_0 = var_191; [L490] SORT_1 var_193_arg_1 = var_192; [L491] EXPR var_193_arg_0 & var_193_arg_1 [L491] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L492] SORT_1 var_194_arg_0 = var_177; [L493] SORT_1 var_194_arg_1 = var_193; [L494] EXPR var_194_arg_0 | var_194_arg_1 [L494] SORT_1 var_194 = var_194_arg_0 | var_194_arg_1; [L495] SORT_1 var_195_arg_0 = state_14; [L496] SORT_1 var_195 = ~var_195_arg_0; [L497] SORT_1 var_196_arg_0 = state_16; [L498] SORT_1 var_196 = ~var_196_arg_0; [L499] SORT_1 var_197_arg_0 = var_195; [L500] SORT_1 var_197_arg_1 = var_196; [L501] EXPR var_197_arg_0 & var_197_arg_1 [L501] SORT_1 var_197 = var_197_arg_0 & var_197_arg_1; [L502] SORT_1 var_198_arg_0 = state_18; [L503] SORT_1 var_198 = ~var_198_arg_0; [L504] SORT_1 var_199_arg_0 = var_197; [L505] SORT_1 var_199_arg_1 = var_198; [L506] EXPR var_199_arg_0 & var_199_arg_1 [L506] SORT_1 var_199 = var_199_arg_0 & var_199_arg_1; [L507] SORT_1 var_200_arg_0 = state_20; [L508] SORT_1 var_200 = ~var_200_arg_0; [L509] SORT_1 var_201_arg_0 = var_199; [L510] SORT_1 var_201_arg_1 = var_200; [L511] EXPR var_201_arg_0 & var_201_arg_1 [L511] SORT_1 var_201 = var_201_arg_0 & var_201_arg_1; [L512] SORT_1 var_202_arg_0 = state_22; [L513] SORT_1 var_202 = ~var_202_arg_0; [L514] SORT_1 var_203_arg_0 = var_201; [L515] SORT_1 var_203_arg_1 = var_202; [L516] EXPR var_203_arg_0 & var_203_arg_1 [L516] SORT_1 var_203 = var_203_arg_0 & var_203_arg_1; [L517] SORT_1 var_204_arg_0 = state_24; [L518] SORT_1 var_204 = ~var_204_arg_0; [L519] SORT_1 var_205_arg_0 = var_203; [L520] SORT_1 var_205_arg_1 = var_204; [L521] EXPR var_205_arg_0 & var_205_arg_1 [L521] SORT_1 var_205 = var_205_arg_0 & var_205_arg_1; [L522] SORT_1 var_206_arg_0 = var_205; [L523] SORT_1 var_206_arg_1 = state_26; [L524] EXPR var_206_arg_0 & var_206_arg_1 [L524] SORT_1 var_206 = var_206_arg_0 & var_206_arg_1; [L525] SORT_1 var_207_arg_0 = state_28; [L526] SORT_1 var_207 = ~var_207_arg_0; [L527] SORT_1 var_208_arg_0 = var_206; [L528] SORT_1 var_208_arg_1 = var_207; [L529] EXPR var_208_arg_0 & var_208_arg_1 [L529] SORT_1 var_208 = var_208_arg_0 & var_208_arg_1; [L530] SORT_1 var_209_arg_0 = state_5; [L531] SORT_1 var_209 = ~var_209_arg_0; [L532] SORT_1 var_210_arg_0 = var_208; [L533] SORT_1 var_210_arg_1 = var_209; [L534] EXPR var_210_arg_0 & var_210_arg_1 [L534] SORT_1 var_210 = var_210_arg_0 & var_210_arg_1; [L535] SORT_1 var_211_arg_0 = var_194; [L536] SORT_1 var_211_arg_1 = var_210; [L537] EXPR var_211_arg_0 | var_211_arg_1 [L537] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L538] SORT_1 var_212_arg_0 = state_14; [L539] SORT_1 var_212 = ~var_212_arg_0; [L540] SORT_1 var_213_arg_0 = state_16; [L541] SORT_1 var_213 = ~var_213_arg_0; [L542] SORT_1 var_214_arg_0 = var_212; [L543] SORT_1 var_214_arg_1 = var_213; [L544] EXPR var_214_arg_0 & var_214_arg_1 [L544] SORT_1 var_214 = var_214_arg_0 & var_214_arg_1; [L545] SORT_1 var_215_arg_0 = state_18; [L546] SORT_1 var_215 = ~var_215_arg_0; [L547] SORT_1 var_216_arg_0 = var_214; [L548] SORT_1 var_216_arg_1 = var_215; [L549] EXPR var_216_arg_0 & var_216_arg_1 [L549] SORT_1 var_216 = var_216_arg_0 & var_216_arg_1; [L550] SORT_1 var_217_arg_0 = state_20; [L551] SORT_1 var_217 = ~var_217_arg_0; [L552] SORT_1 var_218_arg_0 = var_216; [L553] SORT_1 var_218_arg_1 = var_217; [L554] EXPR var_218_arg_0 & var_218_arg_1 [L554] SORT_1 var_218 = var_218_arg_0 & var_218_arg_1; [L555] SORT_1 var_219_arg_0 = state_22; [L556] SORT_1 var_219 = ~var_219_arg_0; [L557] SORT_1 var_220_arg_0 = var_218; [L558] SORT_1 var_220_arg_1 = var_219; [L559] EXPR var_220_arg_0 & var_220_arg_1 [L559] SORT_1 var_220 = var_220_arg_0 & var_220_arg_1; [L560] SORT_1 var_221_arg_0 = state_24; [L561] SORT_1 var_221 = ~var_221_arg_0; [L562] SORT_1 var_222_arg_0 = var_220; [L563] SORT_1 var_222_arg_1 = var_221; [L564] EXPR var_222_arg_0 & var_222_arg_1 [L564] SORT_1 var_222 = var_222_arg_0 & var_222_arg_1; [L565] SORT_1 var_223_arg_0 = state_26; [L566] SORT_1 var_223 = ~var_223_arg_0; [L567] SORT_1 var_224_arg_0 = var_222; [L568] SORT_1 var_224_arg_1 = var_223; [L569] EXPR var_224_arg_0 & var_224_arg_1 [L569] SORT_1 var_224 = var_224_arg_0 & var_224_arg_1; [L570] SORT_1 var_225_arg_0 = var_224; [L571] SORT_1 var_225_arg_1 = state_28; [L572] EXPR var_225_arg_0 & var_225_arg_1 [L572] SORT_1 var_225 = var_225_arg_0 & var_225_arg_1; [L573] SORT_1 var_226_arg_0 = state_5; [L574] SORT_1 var_226 = ~var_226_arg_0; [L575] SORT_1 var_227_arg_0 = var_225; [L576] SORT_1 var_227_arg_1 = var_226; [L577] EXPR var_227_arg_0 & var_227_arg_1 [L577] SORT_1 var_227 = var_227_arg_0 & var_227_arg_1; [L578] SORT_1 var_228_arg_0 = var_211; [L579] SORT_1 var_228_arg_1 = var_227; [L580] EXPR var_228_arg_0 | var_228_arg_1 [L580] SORT_1 var_228 = var_228_arg_0 | var_228_arg_1; [L581] SORT_1 var_229_arg_0 = state_14; [L582] SORT_1 var_229 = ~var_229_arg_0; [L583] SORT_1 var_230_arg_0 = state_16; [L584] SORT_1 var_230 = ~var_230_arg_0; [L585] SORT_1 var_231_arg_0 = var_229; [L586] SORT_1 var_231_arg_1 = var_230; [L587] EXPR var_231_arg_0 & var_231_arg_1 [L587] SORT_1 var_231 = var_231_arg_0 & var_231_arg_1; [L588] SORT_1 var_232_arg_0 = state_18; [L589] SORT_1 var_232 = ~var_232_arg_0; [L590] SORT_1 var_233_arg_0 = var_231; [L591] SORT_1 var_233_arg_1 = var_232; [L592] EXPR var_233_arg_0 & var_233_arg_1 [L592] SORT_1 var_233 = var_233_arg_0 & var_233_arg_1; [L593] SORT_1 var_234_arg_0 = state_20; [L594] SORT_1 var_234 = ~var_234_arg_0; [L595] SORT_1 var_235_arg_0 = var_233; [L596] SORT_1 var_235_arg_1 = var_234; [L597] EXPR var_235_arg_0 & var_235_arg_1 [L597] SORT_1 var_235 = var_235_arg_0 & var_235_arg_1; [L598] SORT_1 var_236_arg_0 = state_22; [L599] SORT_1 var_236 = ~var_236_arg_0; [L600] SORT_1 var_237_arg_0 = var_235; [L601] SORT_1 var_237_arg_1 = var_236; [L602] EXPR var_237_arg_0 & var_237_arg_1 [L602] SORT_1 var_237 = var_237_arg_0 & var_237_arg_1; [L603] SORT_1 var_238_arg_0 = state_24; [L604] SORT_1 var_238 = ~var_238_arg_0; [L605] SORT_1 var_239_arg_0 = var_237; [L606] SORT_1 var_239_arg_1 = var_238; [L607] EXPR var_239_arg_0 & var_239_arg_1 [L607] SORT_1 var_239 = var_239_arg_0 & var_239_arg_1; [L608] SORT_1 var_240_arg_0 = state_26; [L609] SORT_1 var_240 = ~var_240_arg_0; [L610] SORT_1 var_241_arg_0 = var_239; [L611] SORT_1 var_241_arg_1 = var_240; [L612] EXPR var_241_arg_0 & var_241_arg_1 [L612] SORT_1 var_241 = var_241_arg_0 & var_241_arg_1; [L613] SORT_1 var_242_arg_0 = state_28; [L614] SORT_1 var_242 = ~var_242_arg_0; [L615] SORT_1 var_243_arg_0 = var_241; [L616] SORT_1 var_243_arg_1 = var_242; [L617] EXPR var_243_arg_0 & var_243_arg_1 [L617] SORT_1 var_243 = var_243_arg_0 & var_243_arg_1; [L618] SORT_1 var_244_arg_0 = var_243; [L619] SORT_1 var_244_arg_1 = state_5; [L620] EXPR var_244_arg_0 & var_244_arg_1 [L620] SORT_1 var_244 = var_244_arg_0 & var_244_arg_1; [L621] SORT_1 var_245_arg_0 = var_228; [L622] SORT_1 var_245_arg_1 = var_244; [L623] EXPR var_245_arg_0 | var_245_arg_1 [L623] SORT_1 var_245 = var_245_arg_0 | var_245_arg_1; [L624] EXPR var_245 & mask_SORT_1 [L624] var_245 = var_245 & mask_SORT_1 [L625] SORT_1 next_246_arg_1 = var_245; [L626] SORT_32 var_252_arg_0 = state_34; [L627] SORT_32 var_252_arg_1 = var_33; [L628] SORT_1 var_252 = var_252_arg_0 == var_252_arg_1; [L629] SORT_1 var_253_arg_0 = var_252; [L630] SORT_1 var_253_arg_1 = state_36; [L631] EXPR var_253_arg_0 & var_253_arg_1 [L631] SORT_1 var_253 = var_253_arg_0 & var_253_arg_1; [L632] EXPR var_253 & mask_SORT_1 [L632] var_253 = var_253 & mask_SORT_1 [L633] SORT_1 var_254_arg_0 = var_253; [L634] SORT_32 var_254_arg_1 = var_51; [L635] SORT_32 var_254_arg_2 = state_34; [L636] SORT_32 var_254 = var_254_arg_0 ? var_254_arg_1 : var_254_arg_2; [L637] SORT_32 var_247_arg_0 = state_34; [L638] SORT_32 var_247_arg_1 = var_51; [L639] SORT_1 var_247 = var_247_arg_0 == var_247_arg_1; [L640] SORT_1 var_248_arg_0 = state_36; [L641] SORT_1 var_248 = ~var_248_arg_0; [L642] SORT_1 var_249_arg_0 = var_247; [L643] SORT_1 var_249_arg_1 = var_248; [L644] EXPR var_249_arg_0 & var_249_arg_1 [L644] SORT_1 var_249 = var_249_arg_0 & var_249_arg_1; [L645] EXPR var_249 & mask_SORT_1 [L645] var_249 = var_249 & mask_SORT_1 [L646] SORT_1 var_250_arg_0 = var_249; [L647] SORT_32 var_250_arg_1 = var_39; [L648] SORT_32 var_250_arg_2 = state_34; [L649] SORT_32 var_250 = var_250_arg_0 ? var_250_arg_1 : var_250_arg_2; [L650] SORT_1 var_251_arg_0 = state_26; [L651] SORT_32 var_251_arg_1 = var_250; [L652] SORT_32 var_251_arg_2 = state_34; [L653] SORT_32 var_251 = var_251_arg_0 ? var_251_arg_1 : var_251_arg_2; [L654] SORT_1 var_255_arg_0 = state_22; [L655] SORT_32 var_255_arg_1 = var_254; [L656] SORT_32 var_255_arg_2 = var_251; [L657] SORT_32 var_255 = var_255_arg_0 ? var_255_arg_1 : var_255_arg_2; [L658] SORT_1 var_256_arg_0 = state_30; [L659] SORT_32 var_256_arg_1 = var_255; [L660] SORT_32 var_256_arg_2 = state_34; [L661] SORT_32 var_256 = var_256_arg_0 ? var_256_arg_1 : var_256_arg_2; [L662] EXPR var_256 & mask_SORT_32 [L662] var_256 = var_256 & mask_SORT_32 [L663] SORT_32 next_257_arg_1 = var_256; [L664] SORT_32 var_258_arg_0 = state_34; [L665] SORT_32 var_258_arg_1 = var_39; [L666] SORT_1 var_258 = var_258_arg_0 < var_258_arg_1; [L667] SORT_1 var_259_arg_0 = var_258; [L668] SORT_1 var_259_arg_1 = input_3; [L669] SORT_1 var_259_arg_2 = state_36; [L670] SORT_1 var_259 = var_259_arg_0 ? var_259_arg_1 : var_259_arg_2; [L671] SORT_1 var_260_arg_0 = state_18; [L672] SORT_1 var_260_arg_1 = var_259; [L673] SORT_1 var_260_arg_2 = state_36; [L674] SORT_1 var_260 = var_260_arg_0 ? var_260_arg_1 : var_260_arg_2; [L675] SORT_1 var_261_arg_0 = state_30; [L676] SORT_1 var_261_arg_1 = var_260; [L677] SORT_1 var_261_arg_2 = state_36; [L678] SORT_1 var_261 = var_261_arg_0 ? var_261_arg_1 : var_261_arg_2; [L679] SORT_1 next_262_arg_1 = var_261; [L681] state_5 = next_47_arg_1 [L682] state_14 = next_49_arg_1 [L683] state_16 = next_60_arg_1 [L684] state_18 = next_66_arg_1 [L685] state_20 = next_70_arg_1 [L686] state_22 = next_76_arg_1 [L687] state_24 = next_81_arg_1 [L688] state_26 = next_87_arg_1 [L689] state_28 = next_93_arg_1 [L690] state_30 = next_246_arg_1 [L691] state_34 = next_257_arg_1 [L692] state_36 = next_262_arg_1 [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L84] SORT_1 var_7_arg_0 = state_5; [L85] SORT_1 var_7 = ~var_7_arg_0; [L86] SORT_1 var_11_arg_0 = var_7; [L87] SORT_1 var_11 = ~var_11_arg_0; [L88] SORT_1 var_12_arg_0 = var_10; [L89] SORT_1 var_12_arg_1 = var_11; [L90] EXPR var_12_arg_0 & var_12_arg_1 [L90] SORT_1 var_12 = var_12_arg_0 & var_12_arg_1; [L91] EXPR var_12 & mask_SORT_1 [L91] var_12 = var_12 & mask_SORT_1 [L92] SORT_1 bad_13_arg_0 = var_12; [L93] CALL __VERIFIER_assert(!(bad_13_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 141.2s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 72.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 72.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 72.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 12.1s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 5 NumberOfNonLiveVariables, 205 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:49:33,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:49:36,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:49:36,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 04:49:36,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:49:36,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:49:36,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:49:36,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:49:36,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:49:36,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:49:36,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:49:36,813 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:49:36,813 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:49:36,813 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:49:36,814 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:49:36,814 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:49:36,814 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:49:36,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:49:36,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:49:36,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:49:36,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:49:36,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:49:36,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:49:36,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:49:36,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:36,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:49:36,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:49:36,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:49:36,818 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:49:36,818 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:49:36,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:49:36,818 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:49:36,818 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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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 -> 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f [2024-11-14 04:49:37,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:49:37,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:49:37,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:49:37,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:49:37,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:49:37,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c Unable to find full path for "g++" [2024-11-14 04:49:39,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:49:40,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:49:40,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-14 04:49:40,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data/4633fa712/cd686a3948534b929f12c8eccaf655aa/FLAGdaae56256 [2024-11-14 04:49:40,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/data/4633fa712/cd686a3948534b929f12c8eccaf655aa [2024-11-14 04:49:40,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:49:40,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:49:40,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:40,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:49:40,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:49:40,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:40" (1/1) ... [2024-11-14 04:49:40,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e108322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:40, skipping insertion in model container [2024-11-14 04:49:40,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:40" (1/1) ... [2024-11-14 04:49:40,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:49:40,596 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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-14 04:49:40,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:40,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:49:40,880 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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-14 04:49:41,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:41,026 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:49:41,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41 WrapperNode [2024-11-14 04:49:41,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:41,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:41,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:49:41,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:49:41,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,147 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 702 [2024-11-14 04:49:41,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:41,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:49:41,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:49:41,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:49:41,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:49:41,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:49:41,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:49:41,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:49:41,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (1/1) ... [2024-11-14 04:49:41,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:49:41,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:49:41,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:49:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:49:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:49:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:49:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:49:41,608 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:49:41,610 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:49:42,462 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-14 04:49:42,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:49:42,477 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:49:42,478 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:49:42,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:42 BoogieIcfgContainer [2024-11-14 04:49:42,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:49:42,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:49:42,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:49:42,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:49:42,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:49:40" (1/3) ... [2024-11-14 04:49:42,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71eda0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:42, skipping insertion in model container [2024-11-14 04:49:42,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:41" (2/3) ... [2024-11-14 04:49:42,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71eda0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:42, skipping insertion in model container [2024-11-14 04:49:42,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:42" (3/3) ... [2024-11-14 04:49:42,496 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_state_machine.c [2024-11-14 04:49:42,514 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:49:42,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.sw_state_machine.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:49:42,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:49:42,582 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;@2c559d04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:49:42,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:49:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:49:42,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:42,594 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:49:42,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:42,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:42,599 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 04:49:42,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:42,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430716672] [2024-11-14 04:49:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:42,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:49:42,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:42,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:49:42,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:49:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:42,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 04:49:43,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:43,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:43,192 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:43,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430716672] [2024-11-14 04:49:43,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430716672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:43,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:43,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:49:43,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700612115] [2024-11-14 04:49:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:43,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:49:43,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:43,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:49:43,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:49:43,239 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:43,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:43,361 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 04:49:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:49:43,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 04:49:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:43,373 INFO L225 Difference]: With dead ends: 18 [2024-11-14 04:49:43,373 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 04:49:43,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:49:43,383 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:43,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:43,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 04:49:43,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 04:49:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 04:49:43,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 04:49:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:43,423 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 04:49:43,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 04:49:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:49:43,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:43,424 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:43,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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 04:49:43,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:49:43,625 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 04:49:43,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:43,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011651453] [2024-11-14 04:49:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:43,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:49:43,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:43,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:49:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:49:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:43,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:49:44,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:44,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:49:46,976 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|))) (and (or .cse0 (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)))))) (and (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse3)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))))))))))))))))))))) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_10| (_ BitVec 8)) (|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ 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) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse3)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))) .cse2))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_10|)))))) (_ bv0 8)))))) (or (not .cse0) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse2)))))))))))))))))) is different from false [2024-11-14 04:49:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-14 04:49:47,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:47,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011651453] [2024-11-14 04:49:47,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011651453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:49:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1198299418] [2024-11-14 04:49:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:47,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:49:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:49:47,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:49:47,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:49:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:47,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:49:47,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:48,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:49:50,836 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|))) (and (or (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_16~0#1|))) (and (forall ((|ULTIMATE.start_main_~state_36~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ 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) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_36~0#1|))))))))))))) .cse2)))))))))))))))))) (forall ((|ULTIMATE.start_main_~state_36~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_36~0#1|))))))))))))))))))))))))))))))))) .cse3) (or (not .cse3) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse2)))))))))))))))))) is different from false [2024-11-14 04:49:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-14 04:49:51,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1198299418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:49:51,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152911456] [2024-11-14 04:49:51,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:51,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:49:51,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:49:51,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:49:51,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:49:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:51,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 04:49:51,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:53,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:49:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-14 04:49:54,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152911456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:49:54,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:49:54,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 13 [2024-11-14 04:49:54,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971255833] [2024-11-14 04:49:54,486 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:49:54,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:49:54,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:54,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:49:54,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=77, Unknown=2, NotChecked=38, Total=156 [2024-11-14 04:49:54,490 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:55,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:55,628 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-14 04:49:55,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:49:55,629 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 04:49:55,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:55,630 INFO L225 Difference]: With dead ends: 15 [2024-11-14 04:49:55,630 INFO L226 Difference]: Without dead ends: 13 [2024-11-14 04:49:55,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=66, Invalid=122, Unknown=2, NotChecked=50, Total=240 [2024-11-14 04:49:55,631 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:55,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 12 Unchecked, 0.4s Time] [2024-11-14 04:49:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-14 04:49:55,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-14 04:49:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 04:49:55,635 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-14 04:49:55,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:55,636 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 04:49:55,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:55,636 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 04:49:55,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:49:55,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:55,637 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-14 04:49:55,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:49:55,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:49:56,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:49:56,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:49:56,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:56,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:56,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-14 04:49:56,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:56,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040230847] [2024-11-14 04:49:56,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:49:56,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:49:56,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:56,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:49:56,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:49:56,637 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:49:56,637 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:49:56,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 04:49:56,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:59,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:02,444 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|))) (and (or (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)))))) (and (forall ((|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse1)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))) .cse2))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))))))) (forall ((|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse1)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))))))))) .cse3) (or (not .cse3) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse2)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|))))))))))) is different from false [2024-11-14 04:50:08,718 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse49 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_14~0#1|)) (.cse36 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_16~0#1|))) (let ((.cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_20~0#1|)) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_22~0#1|)) (.cse19 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|)) (.cse30 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_26~0#1|)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|)) (.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_28~0#1|)) (.cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse36)))) (.cse47 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse49))))) (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 .cse36)))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 .cse49)))) (.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse17)))) (.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse6)))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse30)))) (.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse19)))) (.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse23)))) (.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse25)))) (.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 .cse48))))) (let ((.cse39 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)) (.cse0 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse42 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_18~0#1|))) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse42))))) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse43 .cse32))))) (let ((.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse44))))) (let ((.cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse41 .cse24))))) (let ((.cse46 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 .cse45))))) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 .cse20))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse14))) .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse17)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse41 .cse23))))))))) .cse14))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 .cse32))) .cse27))))))))) .cse20))) .cse14))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse43 .cse28)))))) .cse24)))))) .cse20)))))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse43)))))) .cse24)))))) .cse20))) .cse14))) .cse16))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 .cse44))) .cse24))))))))) .cse14))) .cse16))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 .cse45))) .cse20))) .cse14))) .cse16)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 .cse46))) .cse14))) .cse16)))))))))))))))))))))))) (let ((.cse5 (not .cse0)) (.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse39))) (.cse7 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|))) (and (or (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) .cse6)))) (and (or .cse0 (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))) (and (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse3)))))) ((_ zero_extend 24) v_subst_2))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))))))) (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) v_subst_1) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse3)))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse2)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))))))) .cse5))) (not .cse7)) (or (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse39)))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) .cse4)))) (let ((.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse13)))))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse37))))))))) .cse6))))))) (let ((.cse10 (= |c_ULTIMATE.start_main_~state_18~0#1| (_ bv0 8))) (.cse8 (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse9)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|))))))))) (.cse34 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 (_ bv0 32)))))))) (.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 (_ bv1 32)))))))) (.cse33 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse37)))))))))))))))) (and (or .cse8 .cse5) (or (and (forall ((v_subst_2 (_ BitVec 8)) (|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))))))) (_ bv1 32))))))) ((_ zero_extend 24) v_subst_2)))) .cse9))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))) .cse1)))) (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ 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) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))))))) (_ bv0 32))))))) ((_ zero_extend 24) v_subst_1)))) .cse9))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|))))))))) .cse0 .cse10) (or (not .cse10) (let ((.cse11 (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse32))))) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse26))))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse24))))) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 .cse18))))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 .cse31))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 .cse15)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 .cse17)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 .cse19))) .cse20))) .cse14))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse23)))))) .cse20))) .cse14)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 .cse26)))))))))))) .cse14)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse28)))))) .cse24))) .cse21))) .cse20))) .cse14)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 (_ bv255 32)))) .cse27))) .cse24))))))))) .cse14))))))))) (_ bv0 32))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 .cse31))) .cse14))) .cse16))))))))))))))))))) (_ bv0 8)))) (and (or .cse8 (not .cse11)) (or (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse13))))) (and (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ 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) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse12)))))) ((_ zero_extend 24) v_subst_2)))) .cse9))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))))))) (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) v_subst_1) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse12))))))))) .cse9))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))) .cse1)))))) .cse11)))) (or (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse33)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))) .cse1)))) .cse5) (or .cse0 (and (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 ((_ zero_extend 24) v_subst_1)))) .cse9))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))) .cse1)))) (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 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) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse35 ((_ zero_extend 24) v_subst_2)))) .cse9))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))) .cse1)))))) (or (and (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ 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) (bvand .cse34 ((_ zero_extend 24) v_subst_1)))) .cse33))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|)))))))) (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ 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) (bvand .cse35 ((_ zero_extend 24) v_subst_2)))) .cse33))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_26|))))))))) .cse0))))) .cse7))))))) is different from false [2024-11-14 04:50:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2024-11-14 04:50:11,121 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:50:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040230847] [2024-11-14 04:50:11,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040230847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:50:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2102894620] [2024-11-14 04:50:11,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:50:11,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:50:11,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:50:11,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:50:11,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 04:50:11,726 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:50:11,726 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:50:11,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 04:50:11,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:13,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-14 04:50:29,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2102894620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:50:29,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869826736] [2024-11-14 04:50:29,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:50:29,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:29,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:50:29,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:50:29,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:50:29,982 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:50:29,982 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:50:29,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-14 04:50:30,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:38,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:59,610 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-14 04:50:59,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2024-11-14 04:50:59,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2024-11-14 04:50:59,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6] total 11 [2024-11-14 04:50:59,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-11-14 04:50:59,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011637507] [2024-11-14 04:50:59,614 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2024-11-14 04:50:59,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 04:50:59,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:50:59,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 04:50:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=149, Unknown=9, NotChecked=54, Total=272 [2024-11-14 04:50:59,616 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:59,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 28.4s TimeCoverageRelationStatistics Valid=60, Invalid=149, Unknown=9, NotChecked=54, Total=272 [2024-11-14 04:50:59,623 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:50:59,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 1 Unchecked, 0.0s Time] [2024-11-14 04:50:59,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:50:59,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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 04:51:00,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 04:51:00,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/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_1f4fc8b4-5275-4551-baf0-8ad7fdc1be4b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:51:00,226 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@66038b4e at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:80) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 04:51:00,233 INFO L158 Benchmark]: Toolchain (without parser) took 79883.82ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.7MB in the beginning and 141.5MB in the end (delta: -48.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-14 04:51:00,233 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:51:00,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.23ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 65.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:51:00,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.22ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 59.9MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:51:00,235 INFO L158 Benchmark]: Boogie Preprocessor took 58.33ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 56.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:51:00,236 INFO L158 Benchmark]: RCFGBuilder took 1272.36ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 71.2MB in the end (delta: -15.3MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-11-14 04:51:00,236 INFO L158 Benchmark]: TraceAbstraction took 77748.61ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 70.7MB in the beginning and 141.5MB in the end (delta: -70.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-14 04:51:00,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.23ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 65.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.22ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 59.9MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.33ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 56.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1272.36ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 71.2MB in the end (delta: -15.3MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 77748.61ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 70.7MB in the beginning and 141.5MB in the end (delta: -70.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@66038b4e de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@66038b4e: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@66038b4e