./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh --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 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:15:12,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:15:12,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 17:15:12,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:15:12,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:15:12,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:15:12,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:15:12,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:15:12,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:15:12,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:15:12,581 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:15:12,581 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:15:12,582 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:15:12,582 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:15:12,583 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:15:12,583 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:15:12,584 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:15:12,584 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:15:12,585 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:15:12,585 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:15:12,586 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:15:12,586 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:15:12,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:15:12,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:15:12,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:15:12,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:15:12,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:15:12,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:15:12,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:15:12,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:15:12,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:15:12,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:15:12,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:15:12,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:15:12,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:15:12,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:15:12,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:15:12,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:15:12,593 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:15:12,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:15:12,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:15:12,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:15:12,594 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:15:12,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:15:12,594 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 [2023-12-02 17:15:12,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:15:12,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:15:12,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:15:12,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:15:12,852 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:15:12,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2023-12-02 17:15:15,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:15:16,052 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:15:16,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2023-12-02 17:15:16,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data/d5fb262df/6551bcccf21a4ff989552a097f88bd2d/FLAG386d5c3cc [2023-12-02 17:15:16,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data/d5fb262df/6551bcccf21a4ff989552a097f88bd2d [2023-12-02 17:15:16,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:15:16,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:15:16,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:15:16,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:15:16,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:15:16,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:15:16" (1/1) ... [2023-12-02 17:15:16,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761149c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:16, skipping insertion in model container [2023-12-02 17:15:16,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:15:16" (1/1) ... [2023-12-02 17:15:16,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:15:16,631 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2023-12-02 17:15:17,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:15:17,792 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:15:17,802 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2023-12-02 17:15:18,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:15:18,529 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:15:18,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18 WrapperNode [2023-12-02 17:15:18,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:15:18,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:15:18,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:15:18,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:15:18,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:18,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:21,495 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42742 [2023-12-02 17:15:21,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:15:21,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:15:21,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:15:21,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:15:21,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:21,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:22,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:22,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:22,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:23,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:23,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:23,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:23,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:15:23,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:15:23,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:15:23,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:15:23,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (1/1) ... [2023-12-02 17:15:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:15:23,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:15:23,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:15:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:15:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:15:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:15:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:15:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:15:25,802 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:15:25,803 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:15:48,533 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:17:51,761 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:17:51,761 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:17:51,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:51 BoogieIcfgContainer [2023-12-02 17:17:51,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:17:51,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:17:51,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:17:51,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:17:51,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:15:16" (1/3) ... [2023-12-02 17:17:51,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe2f758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:17:51, skipping insertion in model container [2023-12-02 17:17:51,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:15:18" (2/3) ... [2023-12-02 17:17:51,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe2f758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:17:51, skipping insertion in model container [2023-12-02 17:17:51,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:51" (3/3) ... [2023-12-02 17:17:51,771 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal67.c [2023-12-02 17:17:51,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:17:51,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:17:51,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:17:51,861 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@1cc6b751, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:17:51,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:17:51,865 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) [2023-12-02 17:17:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 17:17:51,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:17:51,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 17:17:51,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:17:51,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:17:51,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1628547098, now seen corresponding path program 1 times [2023-12-02 17:17:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:17:51,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007986614] [2023-12-02 17:17:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:17:51,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:17:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:17:58,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:18:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:18:07,175 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:18:07,177 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:18:07,178 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:18:07,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:18:07,185 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:18:07,189 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:18:07,246 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 17:18:07,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:18:07 BoogieIcfgContainer [2023-12-02 17:18:07,274 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:18:07,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:18:07,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:18:07,275 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:18:07,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:51" (3/4) ... [2023-12-02 17:18:07,278 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:18:07,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:18:07,280 INFO L158 Benchmark]: Toolchain (without parser) took 171149.07ms. Allocated memory was 125.8MB in the beginning and 13.9GB in the end (delta: 13.8GB). Free memory was 64.4MB in the beginning and 10.3GB in the end (delta: -10.3GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-02 17:18:07,281 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 94.4MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:18:07,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2397.43ms. Allocated memory was 125.8MB in the beginning and 377.5MB in the end (delta: 251.7MB). Free memory was 64.4MB in the beginning and 156.2MB in the end (delta: -91.8MB). Peak memory consumption was 201.8MB. Max. memory is 16.1GB. [2023-12-02 17:18:07,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 2964.88ms. Allocated memory was 377.5MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 156.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 549.1MB. Max. memory is 16.1GB. [2023-12-02 17:18:07,283 INFO L158 Benchmark]: Boogie Preprocessor took 2453.00ms. Allocated memory is still 2.5GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 221.1MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. [2023-12-02 17:18:07,284 INFO L158 Benchmark]: RCFGBuilder took 147812.99ms. Allocated memory was 2.5GB in the beginning and 13.8GB in the end (delta: 11.3GB). Free memory was 1.6GB in the beginning and 11.0GB in the end (delta: -9.5GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. [2023-12-02 17:18:07,285 INFO L158 Benchmark]: TraceAbstraction took 15509.20ms. Allocated memory was 13.8GB in the beginning and 13.9GB in the end (delta: 109.1MB). Free memory was 11.0GB in the beginning and 10.3GB in the end (delta: 691.0MB). Peak memory consumption was 798.0MB. Max. memory is 16.1GB. [2023-12-02 17:18:07,285 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 13.9GB. Free memory is still 10.3GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:18:07,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 94.4MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2397.43ms. Allocated memory was 125.8MB in the beginning and 377.5MB in the end (delta: 251.7MB). Free memory was 64.4MB in the beginning and 156.2MB in the end (delta: -91.8MB). Peak memory consumption was 201.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2964.88ms. Allocated memory was 377.5MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 156.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 549.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2453.00ms. Allocated memory is still 2.5GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 221.1MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. * RCFGBuilder took 147812.99ms. Allocated memory was 2.5GB in the beginning and 13.8GB in the end (delta: 11.3GB). Free memory was 1.6GB in the beginning and 11.0GB in the end (delta: -9.5GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. * TraceAbstraction took 15509.20ms. Allocated memory was 13.8GB in the beginning and 13.9GB in the end (delta: 109.1MB). Free memory was 11.0GB in the beginning and 10.3GB in the end (delta: 691.0MB). Peak memory consumption was 798.0MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 13.9GB. Free memory is still 10.3GB. 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 591, overapproximation of bitwiseAnd at line 459. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L38] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L39] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L41] const SORT_24 mask_SORT_24 = (SORT_24)-1 >> (sizeof(SORT_24) * 8 - 5); [L42] const SORT_24 msb_SORT_24 = (SORT_24)1 << (5 - 1); [L44] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 3); [L45] const SORT_31 msb_SORT_31 = (SORT_31)1 << (3 - 1); [L47] const SORT_53 mask_SORT_53 = (SORT_53)-1 >> (sizeof(SORT_53) * 8 - 6); [L48] const SORT_53 msb_SORT_53 = (SORT_53)1 << (6 - 1); [L50] const SORT_62 mask_SORT_62 = (SORT_62)-1 >> (sizeof(SORT_62) * 8 - 7); [L51] const SORT_62 msb_SORT_62 = (SORT_62)1 << (7 - 1); [L53] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 9); [L54] const SORT_165 msb_SORT_165 = (SORT_165)1 << (9 - 1); [L56] const SORT_167 mask_SORT_167 = (SORT_167)-1 >> (sizeof(SORT_167) * 8 - 10); [L57] const SORT_167 msb_SORT_167 = (SORT_167)1 << (10 - 1); [L59] const SORT_169 mask_SORT_169 = (SORT_169)-1 >> (sizeof(SORT_169) * 8 - 11); [L60] const SORT_169 msb_SORT_169 = (SORT_169)1 << (11 - 1); [L62] const SORT_171 mask_SORT_171 = (SORT_171)-1 >> (sizeof(SORT_171) * 8 - 12); [L63] const SORT_171 msb_SORT_171 = (SORT_171)1 << (12 - 1); [L65] const SORT_173 mask_SORT_173 = (SORT_173)-1 >> (sizeof(SORT_173) * 8 - 13); [L66] const SORT_173 msb_SORT_173 = (SORT_173)1 << (13 - 1); [L68] const SORT_175 mask_SORT_175 = (SORT_175)-1 >> (sizeof(SORT_175) * 8 - 14); [L69] const SORT_175 msb_SORT_175 = (SORT_175)1 << (14 - 1); [L71] const SORT_738 mask_SORT_738 = (SORT_738)-1 >> (sizeof(SORT_738) * 8 - 16); [L72] const SORT_738 msb_SORT_738 = (SORT_738)1 << (16 - 1); [L74] const SORT_740 mask_SORT_740 = (SORT_740)-1 >> (sizeof(SORT_740) * 8 - 22); [L75] const SORT_740 msb_SORT_740 = (SORT_740)1 << (22 - 1); [L77] const SORT_742 mask_SORT_742 = (SORT_742)-1 >> (sizeof(SORT_742) * 8 - 24); [L78] const SORT_742 msb_SORT_742 = (SORT_742)1 << (24 - 1); [L80] const SORT_744 mask_SORT_744 = (SORT_744)-1 >> (sizeof(SORT_744) * 8 - 30); [L81] const SORT_744 msb_SORT_744 = (SORT_744)1 << (30 - 1); [L83] const SORT_783 mask_SORT_783 = (SORT_783)-1 >> (sizeof(SORT_783) * 8 - 33); [L84] const SORT_783 msb_SORT_783 = (SORT_783)1 << (33 - 1); [L86] const SORT_942 mask_SORT_942 = (SORT_942)-1 >> (sizeof(SORT_942) * 8 - 15); [L87] const SORT_942 msb_SORT_942 = (SORT_942)1 << (15 - 1); [L89] const SORT_945 mask_SORT_945 = (SORT_945)-1 >> (sizeof(SORT_945) * 8 - 17); [L90] const SORT_945 msb_SORT_945 = (SORT_945)1 << (17 - 1); [L92] const SORT_947 mask_SORT_947 = (SORT_947)-1 >> (sizeof(SORT_947) * 8 - 18); [L93] const SORT_947 msb_SORT_947 = (SORT_947)1 << (18 - 1); [L95] const SORT_1038 mask_SORT_1038 = (SORT_1038)-1 >> (sizeof(SORT_1038) * 8 - 19); [L96] const SORT_1038 msb_SORT_1038 = (SORT_1038)1 << (19 - 1); [L98] const SORT_1040 mask_SORT_1040 = (SORT_1040)-1 >> (sizeof(SORT_1040) * 8 - 20); [L99] const SORT_1040 msb_SORT_1040 = (SORT_1040)1 << (20 - 1); [L101] const SORT_1042 mask_SORT_1042 = (SORT_1042)-1 >> (sizeof(SORT_1042) * 8 - 21); [L102] const SORT_1042 msb_SORT_1042 = (SORT_1042)1 << (21 - 1); [L104] const SORT_1259 mask_SORT_1259 = (SORT_1259)-1 >> (sizeof(SORT_1259) * 8 - 23); [L105] const SORT_1259 msb_SORT_1259 = (SORT_1259)1 << (23 - 1); [L107] const SORT_1407 mask_SORT_1407 = (SORT_1407)-1 >> (sizeof(SORT_1407) * 8 - 26); [L108] const SORT_1407 msb_SORT_1407 = (SORT_1407)1 << (26 - 1); [L110] const SORT_1449 mask_SORT_1449 = (SORT_1449)-1 >> (sizeof(SORT_1449) * 8 - 25); [L111] const SORT_1449 msb_SORT_1449 = (SORT_1449)1 << (25 - 1); [L113] const SORT_1454 mask_SORT_1454 = (SORT_1454)-1 >> (sizeof(SORT_1454) * 8 - 27); [L114] const SORT_1454 msb_SORT_1454 = (SORT_1454)1 << (27 - 1); [L116] const SORT_1457 mask_SORT_1457 = (SORT_1457)-1 >> (sizeof(SORT_1457) * 8 - 28); [L117] const SORT_1457 msb_SORT_1457 = (SORT_1457)1 << (28 - 1); [L119] const SORT_1460 mask_SORT_1460 = (SORT_1460)-1 >> (sizeof(SORT_1460) * 8 - 29); [L120] const SORT_1460 msb_SORT_1460 = (SORT_1460)1 << (29 - 1); [L122] const SORT_1465 mask_SORT_1465 = (SORT_1465)-1 >> (sizeof(SORT_1465) * 8 - 31); [L123] const SORT_1465 msb_SORT_1465 = (SORT_1465)1 << (31 - 1); [L125] const SORT_3170 mask_SORT_3170 = (SORT_3170)-1 >> (sizeof(SORT_3170) * 8 - 34); [L126] const SORT_3170 msb_SORT_3170 = (SORT_3170)1 << (34 - 1); [L128] const SORT_3 var_110 = 0; [L129] const SORT_24 var_114 = 0; [L130] const SORT_6 var_120 = 0; [L131] const SORT_53 var_126 = 6; [L132] const SORT_53 var_128 = 0; [L133] const SORT_53 var_130 = 23; [L134] const SORT_53 var_132 = 22; [L135] const SORT_53 var_134 = 18; [L136] const SORT_53 var_136 = 17; [L137] const SORT_53 var_138 = 16; [L138] const SORT_53 var_140 = 15; [L139] const SORT_53 var_142 = 14; [L140] const SORT_53 var_144 = 13; [L141] const SORT_53 var_146 = 12; [L142] const SORT_53 var_148 = 11; [L143] const SORT_53 var_150 = 10; [L144] const SORT_53 var_152 = 9; [L145] const SORT_53 var_154 = 7; [L146] const SORT_53 var_156 = 8; [L147] const SORT_53 var_178 = 53; [L148] const SORT_53 var_180 = 24; [L149] const SORT_53 var_182 = 21; [L150] const SORT_53 var_184 = 19; [L151] const SORT_53 var_186 = 20; [L152] const SORT_53 var_197 = 30; [L153] const SORT_53 var_199 = 29; [L154] const SORT_53 var_201 = 26; [L155] const SORT_53 var_203 = 25; [L156] const SORT_53 var_205 = 3; [L157] const SORT_53 var_207 = 1; [L158] const SORT_53 var_209 = 2; [L159] const SORT_53 var_220 = 32; [L160] const SORT_53 var_222 = 31; [L161] const SORT_53 var_224 = 28; [L162] const SORT_53 var_226 = 27; [L163] const SORT_53 var_228 = 4; [L164] const SORT_53 var_230 = 5; [L165] const SORT_3 var_259 = 1; [L166] const SORT_1 var_266 = 0; [L167] const SORT_1 var_274 = 3; [L168] const SORT_1 var_276 = 2; [L169] const SORT_1 var_278 = 1; [L170] const SORT_31 var_282 = 1; [L171] const SORT_31 var_285 = 3; [L172] const SORT_31 var_288 = 2; [L173] const SORT_31 var_292 = 5; [L174] const SORT_31 var_295 = 7; [L175] const SORT_31 var_298 = 6; [L176] const SORT_31 var_302 = 4; [L177] const SORT_9 var_328 = 0; [L178] const SORT_24 var_349 = 11; [L179] const SORT_24 var_351 = 10; [L180] const SORT_24 var_353 = 2; [L181] const SORT_24 var_355 = 9; [L182] const SORT_24 var_370 = 21; [L183] const SORT_24 var_372 = 20; [L184] const SORT_24 var_374 = 19; [L185] const SORT_24 var_376 = 18; [L186] const SORT_24 var_378 = 17; [L187] const SORT_24 var_380 = 16; [L188] const SORT_24 var_382 = 15; [L189] const SORT_24 var_384 = 14; [L190] const SORT_24 var_386 = 8; [L191] const SORT_24 var_388 = 6; [L192] const SORT_24 var_390 = 3; [L193] const SORT_24 var_392 = 5; [L194] const SORT_24 var_406 = 4; [L195] const SORT_24 var_408 = 1; [L196] const SORT_24 var_418 = 7; [L197] const SORT_24 var_436 = 13; [L198] const SORT_24 var_444 = 12; [L199] const SORT_24 var_465 = 23; [L200] const SORT_24 var_468 = 22; [L201] const SORT_24 var_477 = 25; [L202] const SORT_24 var_480 = 27; [L203] const SORT_24 var_483 = 26; [L204] const SORT_24 var_487 = 29; [L205] const SORT_24 var_490 = 31; [L206] const SORT_24 var_493 = 30; [L207] const SORT_24 var_497 = 28; [L208] const SORT_24 var_503 = 24; [L209] const SORT_9 var_601 = 3; [L210] const SORT_31 var_643 = 0; [L211] const SORT_11 var_666 = 0; [L212] const SORT_783 var_784 = 0; [L213] const SORT_9 var_952 = 2; [L214] const SORT_9 var_955 = 1; [L215] const SORT_6 var_1399 = 8; [L216] const SORT_1407 var_1408 = 0; [L217] const SORT_9 var_1494 = 255; [L218] const SORT_6 var_2550 = 1; [L219] const SORT_6 var_2553 = 3; [L220] const SORT_6 var_2556 = 2; [L221] const SORT_6 var_2560 = 5; [L222] const SORT_6 var_2563 = 7; [L223] const SORT_6 var_2566 = 6; [L224] const SORT_6 var_2570 = 4; [L225] const SORT_6 var_2576 = 9; [L226] const SORT_6 var_2579 = 11; [L227] const SORT_6 var_2582 = 10; [L228] const SORT_6 var_2586 = 13; [L229] const SORT_6 var_2589 = 15; [L230] const SORT_6 var_2592 = 14; [L231] const SORT_6 var_2596 = 12; [L232] const SORT_1457 var_2782 = 0; [L233] const SORT_3170 var_3172 = 0; [L234] const SORT_62 var_3195 = 0; [L235] const SORT_171 var_3271 = 0; [L237] SORT_1 input_2; [L238] SORT_3 input_4; [L239] SORT_3 input_5; [L240] SORT_6 input_7; [L241] SORT_3 input_8; [L242] SORT_9 input_10; [L243] SORT_11 input_12; [L244] SORT_1 input_13; [L245] SORT_9 input_14; [L246] SORT_9 input_15; [L247] SORT_9 input_16; [L248] SORT_1 input_17; [L249] SORT_9 input_18; [L250] SORT_9 input_19; [L251] SORT_9 input_20; [L252] SORT_3 input_21; [L253] SORT_3 input_22; [L254] SORT_3 input_23; [L255] SORT_24 input_25; [L256] SORT_3 input_26; [L257] SORT_3 input_27; [L258] SORT_3 input_28; [L259] SORT_3 input_29; [L260] SORT_1 input_30; [L261] SORT_31 input_32; [L262] SORT_1 input_33; [L263] SORT_3 input_34; [L264] SORT_3 input_35; [L265] SORT_3 input_36; [L266] SORT_3 input_37; [L267] SORT_24 input_38; [L268] SORT_1 input_39; [L269] SORT_9 input_40; [L270] SORT_11 input_41; [L271] SORT_31 input_42; [L272] SORT_9 input_43; [L273] SORT_3 input_44; [L274] SORT_1 input_45; [L275] SORT_24 input_46; [L276] SORT_3 input_47; [L277] SORT_1 input_48; [L278] SORT_3 input_49; [L279] SORT_24 input_50; [L280] SORT_24 input_51; [L281] SORT_1 input_52; [L282] SORT_53 input_54; [L283] SORT_1 input_55; [L284] SORT_53 input_56; [L285] SORT_1 input_57; [L286] SORT_53 input_58; [L287] SORT_1 input_59; [L288] SORT_53 input_60; [L289] SORT_3 input_61; [L290] SORT_62 input_63; [L291] SORT_3 input_64; [L292] SORT_6 input_65; [L293] SORT_1 input_66; [L294] SORT_3 input_67; [L295] SORT_24 input_68; [L296] SORT_1 input_69; [L297] SORT_3 input_70; [L298] SORT_9 input_71; [L299] SORT_3 input_72; [L300] SORT_3 input_73; [L301] SORT_3 input_74; [L302] SORT_3 input_75; [L303] SORT_3 input_76; [L304] SORT_62 input_77; [L305] SORT_3 input_78; [L306] SORT_9 input_79; [L307] SORT_11 input_80; [L308] SORT_53 input_81; [L309] SORT_1 input_82; [L310] SORT_53 input_83; [L311] SORT_1 input_84; [L312] SORT_53 input_85; [L313] SORT_1 input_86; [L314] SORT_53 input_87; [L315] SORT_1 input_88; [L316] SORT_31 input_89; [L317] SORT_9 input_90; [L318] SORT_1 input_91; [L319] SORT_9 input_92; [L320] SORT_24 input_93; [L321] SORT_24 input_94; [L322] SORT_24 input_95; [L323] SORT_24 input_96; [L324] SORT_3 input_97; [L325] SORT_6 input_98; [L326] SORT_6 input_99; [L327] SORT_24 input_100; [L328] SORT_24 input_101; [L329] SORT_24 input_102; [L330] SORT_3 input_103; [L331] SORT_3 input_104; [L332] SORT_1 input_105; [L333] SORT_1 input_106; [L334] SORT_1 input_107; [L335] SORT_1 input_108; [L336] SORT_1 input_109; [L338] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L338] SORT_3 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L339] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L339] SORT_24 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L340] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L340] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L341] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L341] SORT_6 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L342] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L342] SORT_24 state_244 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L343] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L343] SORT_6 state_247 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L344] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L344] SORT_3 state_263 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L345] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L345] SORT_1 state_267 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L346] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L346] SORT_9 state_329 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L347] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L347] SORT_1 state_549 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L348] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L348] SORT_9 state_631 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L349] EXPR __VERIFIER_nondet_uchar() & mask_SORT_31 [L349] SORT_31 state_644 = __VERIFIER_nondet_uchar() & mask_SORT_31; [L350] EXPR __VERIFIER_nondet_uint() & mask_SORT_11 [L350] SORT_11 state_667 = __VERIFIER_nondet_uint() & mask_SORT_11; [L351] EXPR __VERIFIER_nondet_uchar() & mask_SORT_53 [L351] SORT_53 state_712 = __VERIFIER_nondet_uchar() & mask_SORT_53; [L352] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L352] SORT_1 state_715 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L353] EXPR __VERIFIER_nondet_uchar() & mask_SORT_53 [L353] SORT_53 state_718 = __VERIFIER_nondet_uchar() & mask_SORT_53; [L354] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L354] SORT_1 state_721 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L355] EXPR __VERIFIER_nondet_uchar() & mask_SORT_53 [L355] SORT_53 state_724 = __VERIFIER_nondet_uchar() & mask_SORT_53; [L356] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L356] SORT_1 state_727 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L357] EXPR __VERIFIER_nondet_uchar() & mask_SORT_53 [L357] SORT_53 state_730 = __VERIFIER_nondet_uchar() & mask_SORT_53; [L358] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L358] SORT_1 state_733 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L359] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L359] SORT_9 state_762 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L360] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L360] SORT_3 state_780 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L361] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L361] SORT_24 state_3179 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L362] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L362] SORT_1 state_3183 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L363] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L363] SORT_3 state_3192 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L364] EXPR __VERIFIER_nondet_uchar() & mask_SORT_62 [L364] SORT_62 state_3196 = __VERIFIER_nondet_uchar() & mask_SORT_62; [L365] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L365] SORT_3 state_3209 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L366] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L366] SORT_3 state_3212 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L367] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L367] SORT_24 state_3223 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L368] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L368] SORT_1 state_3230 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L369] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L369] SORT_3 state_3234 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L370] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L370] SORT_1 state_3237 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L371] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L371] SORT_24 state_3249 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L372] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L372] SORT_3 state_3255 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L373] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L373] SORT_24 state_3328 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L374] EXPR __VERIFIER_nondet_uchar() & mask_SORT_24 [L374] SORT_24 state_3335 = __VERIFIER_nondet_uchar() & mask_SORT_24; [L375] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L375] SORT_3 state_3338 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L376] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L376] SORT_1 state_3341 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L378] SORT_3 init_112_arg_1 = var_110; [L379] state_111 = init_112_arg_1 [L380] SORT_24 init_116_arg_1 = var_114; [L381] state_115 = init_116_arg_1 [L382] SORT_3 init_118_arg_1 = var_110; [L383] state_117 = init_118_arg_1 [L384] SORT_6 init_122_arg_1 = var_120; [L385] state_121 = init_122_arg_1 [L386] SORT_24 init_245_arg_1 = var_114; [L387] state_244 = init_245_arg_1 [L388] SORT_6 init_248_arg_1 = var_120; [L389] state_247 = init_248_arg_1 [L390] SORT_3 init_264_arg_1 = var_110; [L391] state_263 = init_264_arg_1 [L392] SORT_1 init_268_arg_1 = var_266; [L393] state_267 = init_268_arg_1 [L394] SORT_9 init_330_arg_1 = var_328; [L395] state_329 = init_330_arg_1 [L396] SORT_1 init_550_arg_1 = var_266; [L397] state_549 = init_550_arg_1 [L398] SORT_9 init_632_arg_1 = var_328; [L399] state_631 = init_632_arg_1 [L400] SORT_31 init_645_arg_1 = var_643; [L401] state_644 = init_645_arg_1 [L402] SORT_11 init_668_arg_1 = var_666; [L403] state_667 = init_668_arg_1 [L404] SORT_53 init_713_arg_1 = var_128; [L405] state_712 = init_713_arg_1 [L406] SORT_1 init_716_arg_1 = var_266; [L407] state_715 = init_716_arg_1 [L408] SORT_53 init_719_arg_1 = var_128; [L409] state_718 = init_719_arg_1 [L410] SORT_1 init_722_arg_1 = var_266; [L411] state_721 = init_722_arg_1 [L412] SORT_53 init_725_arg_1 = var_128; [L413] state_724 = init_725_arg_1 [L414] SORT_1 init_728_arg_1 = var_266; [L415] state_727 = init_728_arg_1 [L416] SORT_53 init_731_arg_1 = var_128; [L417] state_730 = init_731_arg_1 [L418] SORT_1 init_734_arg_1 = var_266; [L419] state_733 = init_734_arg_1 [L420] SORT_9 init_763_arg_1 = var_328; [L421] state_762 = init_763_arg_1 [L422] SORT_3 init_781_arg_1 = var_110; [L423] state_780 = init_781_arg_1 [L424] SORT_24 init_3180_arg_1 = var_114; [L425] state_3179 = init_3180_arg_1 [L426] SORT_1 init_3184_arg_1 = var_266; [L427] state_3183 = init_3184_arg_1 [L428] SORT_3 init_3193_arg_1 = var_110; [L429] state_3192 = init_3193_arg_1 [L430] SORT_62 init_3197_arg_1 = var_3195; [L431] state_3196 = init_3197_arg_1 [L432] SORT_3 init_3210_arg_1 = var_110; [L433] state_3209 = init_3210_arg_1 [L434] SORT_3 init_3213_arg_1 = var_110; [L435] state_3212 = init_3213_arg_1 [L436] SORT_24 init_3224_arg_1 = var_114; [L437] state_3223 = init_3224_arg_1 [L438] SORT_1 init_3231_arg_1 = var_266; [L439] state_3230 = init_3231_arg_1 [L440] SORT_3 init_3235_arg_1 = var_110; [L441] state_3234 = init_3235_arg_1 [L442] SORT_1 init_3238_arg_1 = var_266; [L443] state_3237 = init_3238_arg_1 [L444] SORT_24 init_3250_arg_1 = var_114; [L445] state_3249 = init_3250_arg_1 [L446] SORT_3 init_3256_arg_1 = var_110; [L447] state_3255 = init_3256_arg_1 [L448] SORT_24 init_3329_arg_1 = var_114; [L449] state_3328 = init_3329_arg_1 [L450] SORT_24 init_3336_arg_1 = var_114; [L451] state_3335 = init_3336_arg_1 [L452] SORT_3 init_3339_arg_1 = var_110; [L453] state_3338 = init_3339_arg_1 [L454] SORT_1 init_3342_arg_1 = var_266; [L455] state_3341 = init_3342_arg_1 VAL [init_112_arg_1=0, init_116_arg_1=0, init_118_arg_1=0, init_122_arg_1=0, init_245_arg_1=0, init_248_arg_1=0, init_264_arg_1=0, init_268_arg_1=0, init_3180_arg_1=0, init_3184_arg_1=0, init_3193_arg_1=0, init_3197_arg_1=0, init_3210_arg_1=0, init_3213_arg_1=0, init_3224_arg_1=0, init_3231_arg_1=0, init_3235_arg_1=0, init_3238_arg_1=0, init_3250_arg_1=0, init_3256_arg_1=0, init_330_arg_1=0, init_3329_arg_1=0, init_3336_arg_1=0, init_3339_arg_1=0, init_3342_arg_1=0, init_550_arg_1=0, init_632_arg_1=0, init_645_arg_1=0, init_668_arg_1=0, init_713_arg_1=0, init_716_arg_1=0, init_719_arg_1=0, init_722_arg_1=0, init_725_arg_1=0, init_728_arg_1=0, init_731_arg_1=0, init_734_arg_1=0, init_763_arg_1=0, init_781_arg_1=0, mask_SORT_1038=524287, mask_SORT_1040=1048575, mask_SORT_1042=2097151, mask_SORT_11=4294967295, mask_SORT_1259=8388607, mask_SORT_1407=67108863, mask_SORT_1449=33554431, mask_SORT_1454=134217727, mask_SORT_1457=268435455, mask_SORT_1460=536870911, mask_SORT_1465=2147483647, mask_SORT_165=511, mask_SORT_167=1023, mask_SORT_169=2047, mask_SORT_171=4095, mask_SORT_173=8191, mask_SORT_175=16383, mask_SORT_1=3, mask_SORT_24=31, mask_SORT_3170=17179869183, mask_SORT_31=7, mask_SORT_3=1, mask_SORT_53=63, mask_SORT_62=127, mask_SORT_6=15, mask_SORT_738=65535, mask_SORT_740=4194303, mask_SORT_742=16777215, mask_SORT_744=1073741823, mask_SORT_783=8589934591, mask_SORT_942=32767, mask_SORT_945=131071, mask_SORT_947=262143, mask_SORT_9=255, msb_SORT_1038=262144, msb_SORT_1040=524288, msb_SORT_1042=1048576, msb_SORT_11=2147483648, msb_SORT_1259=4194304, msb_SORT_1407=33554432, msb_SORT_1449=16777216, msb_SORT_1454=67108864, msb_SORT_1457=134217728, msb_SORT_1460=268435456, msb_SORT_1465=1073741824, msb_SORT_165=256, msb_SORT_167=512, msb_SORT_169=1024, msb_SORT_171=2048, msb_SORT_173=4096, msb_SORT_175=8192, msb_SORT_1=2, msb_SORT_24=16, msb_SORT_3170=8589934592, msb_SORT_31=4, msb_SORT_3=1, msb_SORT_53=32, msb_SORT_62=64, msb_SORT_6=8, msb_SORT_738=32768, msb_SORT_740=2097152, msb_SORT_742=8388608, msb_SORT_744=536870912, msb_SORT_783=4294967296, msb_SORT_942=16384, msb_SORT_945=65536, msb_SORT_947=131072, msb_SORT_9=128, state_111=0, state_115=0, state_117=0, state_121=0, state_244=0, state_247=0, state_263=0, state_267=0, state_3179=0, state_3183=0, state_3192=0, state_3196=0, state_3209=0, state_3212=0, state_3223=0, state_3230=0, state_3234=0, state_3237=0, state_3249=0, state_3255=0, state_329=0, state_3328=0, state_3335=0, state_3338=0, state_3341=0, state_549=0, state_631=0, state_644=0, state_667=0, state_712=0, state_715=0, state_718=0, state_721=0, state_724=0, state_727=0, state_730=0, state_733=0, state_762=0, state_780=0, var_110=0, var_114=0, var_120=0, var_126=6, var_128=0, var_130=23, var_132=22, var_134=18, var_136=17, var_138=16, var_1399=8, var_1408=0, var_140=15, var_142=14, var_144=13, var_146=12, var_148=11, var_1494=255, var_150=10, var_152=9, var_154=7, var_156=8, var_178=53, var_180=24, var_182=21, var_184=19, var_186=20, var_197=30, var_199=29, var_201=26, var_203=25, var_205=3, var_207=1, var_209=2, var_220=32, var_222=31, var_224=28, var_226=27, var_228=4, var_230=5, var_2550=1, var_2553=3, var_2556=2, var_2560=5, var_2563=7, var_2566=6, var_2570=4, var_2576=9, var_2579=11, var_2582=10, var_2586=13, var_2589=15, var_2592=14, var_2596=12, var_259=1, var_266=0, var_274=3, var_276=2, var_2782=0, var_278=1, var_282=1, var_285=3, var_288=2, var_292=5, var_295=7, var_298=6, var_302=4, var_3172=0, var_3195=0, var_3271=0, var_328=0, var_349=11, var_351=10, var_353=2, var_355=9, var_370=21, var_372=20, var_374=19, var_376=18, var_378=17, var_380=16, var_382=15, var_384=14, var_386=8, var_388=6, var_390=3, var_392=5, var_406=4, var_408=1, var_418=7, var_436=13, var_444=12, var_465=23, var_468=22, var_477=25, var_480=27, var_483=26, var_487=29, var_490=31, var_493=30, var_497=28, var_503=24, var_601=3, var_643=0, var_666=0, var_784=0, var_952=2, var_955=1] [L458] input_2 = __VERIFIER_nondet_uchar() [L459] EXPR input_2 & mask_SORT_1 [L459] input_2 = input_2 & mask_SORT_1 [L460] input_4 = __VERIFIER_nondet_uchar() [L461] input_5 = __VERIFIER_nondet_uchar() [L462] EXPR input_5 & mask_SORT_3 [L462] input_5 = input_5 & mask_SORT_3 [L463] input_7 = __VERIFIER_nondet_uchar() [L464] EXPR input_7 & mask_SORT_6 [L464] input_7 = input_7 & mask_SORT_6 [L465] input_8 = __VERIFIER_nondet_uchar() [L466] EXPR input_8 & mask_SORT_3 [L466] input_8 = input_8 & mask_SORT_3 [L467] input_10 = __VERIFIER_nondet_uchar() [L468] input_12 = __VERIFIER_nondet_uint() [L469] input_13 = __VERIFIER_nondet_uchar() [L470] EXPR input_13 & mask_SORT_1 [L470] input_13 = input_13 & mask_SORT_1 [L471] input_14 = __VERIFIER_nondet_uchar() [L472] input_15 = __VERIFIER_nondet_uchar() [L473] input_16 = __VERIFIER_nondet_uchar() [L474] input_17 = __VERIFIER_nondet_uchar() [L475] EXPR input_17 & mask_SORT_1 [L475] input_17 = input_17 & mask_SORT_1 [L476] input_18 = __VERIFIER_nondet_uchar() [L477] input_19 = __VERIFIER_nondet_uchar() [L478] input_20 = __VERIFIER_nondet_uchar() [L479] input_21 = __VERIFIER_nondet_uchar() [L480] EXPR input_21 & mask_SORT_3 [L480] input_21 = input_21 & mask_SORT_3 [L481] input_22 = __VERIFIER_nondet_uchar() [L482] EXPR input_22 & mask_SORT_3 [L482] input_22 = input_22 & mask_SORT_3 [L483] input_23 = __VERIFIER_nondet_uchar() [L484] input_25 = __VERIFIER_nondet_uchar() [L485] input_26 = __VERIFIER_nondet_uchar() [L486] input_27 = __VERIFIER_nondet_uchar() [L487] input_28 = __VERIFIER_nondet_uchar() [L488] EXPR input_28 & mask_SORT_3 [L488] input_28 = input_28 & mask_SORT_3 [L489] input_29 = __VERIFIER_nondet_uchar() [L490] EXPR input_29 & mask_SORT_3 [L490] input_29 = input_29 & mask_SORT_3 [L491] input_30 = __VERIFIER_nondet_uchar() [L492] EXPR input_30 & mask_SORT_1 [L492] input_30 = input_30 & mask_SORT_1 [L493] input_32 = __VERIFIER_nondet_uchar() [L494] EXPR input_32 & mask_SORT_31 [L494] input_32 = input_32 & mask_SORT_31 [L495] input_33 = __VERIFIER_nondet_uchar() [L496] EXPR input_33 & mask_SORT_1 [L496] input_33 = input_33 & mask_SORT_1 [L497] input_34 = __VERIFIER_nondet_uchar() [L498] EXPR input_34 & mask_SORT_3 [L498] input_34 = input_34 & mask_SORT_3 [L499] input_35 = __VERIFIER_nondet_uchar() [L500] input_36 = __VERIFIER_nondet_uchar() [L501] input_37 = __VERIFIER_nondet_uchar() [L502] EXPR input_37 & mask_SORT_3 [L502] input_37 = input_37 & mask_SORT_3 [L503] input_38 = __VERIFIER_nondet_uchar() [L504] EXPR input_38 & mask_SORT_24 [L504] input_38 = input_38 & mask_SORT_24 [L505] input_39 = __VERIFIER_nondet_uchar() [L506] input_40 = __VERIFIER_nondet_uchar() [L507] input_41 = __VERIFIER_nondet_uint() [L508] input_42 = __VERIFIER_nondet_uchar() [L509] input_43 = __VERIFIER_nondet_uchar() [L510] input_44 = __VERIFIER_nondet_uchar() [L511] input_45 = __VERIFIER_nondet_uchar() [L512] input_46 = __VERIFIER_nondet_uchar() [L513] input_47 = __VERIFIER_nondet_uchar() [L514] input_48 = __VERIFIER_nondet_uchar() [L515] input_49 = __VERIFIER_nondet_uchar() [L516] input_50 = __VERIFIER_nondet_uchar() [L517] input_51 = __VERIFIER_nondet_uchar() [L518] input_52 = __VERIFIER_nondet_uchar() [L519] input_54 = __VERIFIER_nondet_uchar() [L520] input_55 = __VERIFIER_nondet_uchar() [L521] input_56 = __VERIFIER_nondet_uchar() [L522] input_57 = __VERIFIER_nondet_uchar() [L523] input_58 = __VERIFIER_nondet_uchar() [L524] input_59 = __VERIFIER_nondet_uchar() [L525] input_60 = __VERIFIER_nondet_uchar() [L526] input_61 = __VERIFIER_nondet_uchar() [L527] input_63 = __VERIFIER_nondet_uchar() [L528] input_64 = __VERIFIER_nondet_uchar() [L529] input_65 = __VERIFIER_nondet_uchar() [L530] input_66 = __VERIFIER_nondet_uchar() [L531] input_67 = __VERIFIER_nondet_uchar() [L532] input_68 = __VERIFIER_nondet_uchar() [L533] input_69 = __VERIFIER_nondet_uchar() [L534] input_70 = __VERIFIER_nondet_uchar() [L535] input_71 = __VERIFIER_nondet_uchar() [L536] input_72 = __VERIFIER_nondet_uchar() [L537] input_73 = __VERIFIER_nondet_uchar() [L538] input_74 = __VERIFIER_nondet_uchar() [L539] input_75 = __VERIFIER_nondet_uchar() [L540] input_76 = __VERIFIER_nondet_uchar() [L541] input_77 = __VERIFIER_nondet_uchar() [L542] input_78 = __VERIFIER_nondet_uchar() [L543] input_79 = __VERIFIER_nondet_uchar() [L544] input_80 = __VERIFIER_nondet_uint() [L545] input_81 = __VERIFIER_nondet_uchar() [L546] input_82 = __VERIFIER_nondet_uchar() [L547] input_83 = __VERIFIER_nondet_uchar() [L548] input_84 = __VERIFIER_nondet_uchar() [L549] input_85 = __VERIFIER_nondet_uchar() [L550] input_86 = __VERIFIER_nondet_uchar() [L551] input_87 = __VERIFIER_nondet_uchar() [L552] input_88 = __VERIFIER_nondet_uchar() [L553] input_89 = __VERIFIER_nondet_uchar() [L554] input_90 = __VERIFIER_nondet_uchar() [L555] input_91 = __VERIFIER_nondet_uchar() [L556] input_92 = __VERIFIER_nondet_uchar() [L557] input_93 = __VERIFIER_nondet_uchar() [L558] input_94 = __VERIFIER_nondet_uchar() [L559] input_95 = __VERIFIER_nondet_uchar() [L560] input_96 = __VERIFIER_nondet_uchar() [L561] input_97 = __VERIFIER_nondet_uchar() [L562] input_98 = __VERIFIER_nondet_uchar() [L563] input_99 = __VERIFIER_nondet_uchar() [L564] input_100 = __VERIFIER_nondet_uchar() [L565] input_101 = __VERIFIER_nondet_uchar() [L566] input_102 = __VERIFIER_nondet_uchar() [L567] input_103 = __VERIFIER_nondet_uchar() [L568] input_104 = __VERIFIER_nondet_uchar() [L569] input_105 = __VERIFIER_nondet_uchar() [L570] input_106 = __VERIFIER_nondet_uchar() [L571] input_107 = __VERIFIER_nondet_uchar() [L572] input_108 = __VERIFIER_nondet_uchar() [L573] input_109 = __VERIFIER_nondet_uchar() [L576] SORT_3 var_113_arg_0 = state_111; [L577] SORT_3 var_113 = ~var_113_arg_0; [L578] SORT_3 var_123_arg_0 = state_117; [L579] SORT_6 var_123_arg_1 = state_121; [L580] SORT_6 var_123_arg_2 = input_65; [L581] SORT_6 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L582] SORT_6 var_124_arg_0 = var_123; [L583] SORT_3 var_124 = var_124_arg_0 >> 3; [L584] SORT_3 var_119_arg_0 = state_117; [L585] SORT_24 var_119_arg_1 = state_115; [L586] SORT_24 var_119_arg_2 = input_51; [L587] SORT_24 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L588] EXPR var_119 & mask_SORT_24 [L588] var_119 = var_119 & mask_SORT_24 [L589] SORT_3 var_125_arg_0 = var_124; [L590] SORT_24 var_125_arg_1 = var_119; [L591] EXPR ((SORT_53)var_125_arg_0 << 5) | var_125_arg_1 [L591] SORT_53 var_125 = ((SORT_53)var_125_arg_0 << 5) | var_125_arg_1; [L592] EXPR var_125 & mask_SORT_53 [L592] var_125 = var_125 & mask_SORT_53 [L593] SORT_53 var_127_arg_0 = var_125; [L594] SORT_53 var_127_arg_1 = var_126; [L595] SORT_3 var_127 = var_127_arg_0 == var_127_arg_1; [L596] SORT_53 var_231_arg_0 = var_125; [L597] SORT_53 var_231_arg_1 = var_230; [L598] SORT_3 var_231 = var_231_arg_0 == var_231_arg_1; [L599] SORT_53 var_229_arg_0 = var_125; [L600] SORT_53 var_229_arg_1 = var_228; [L601] SORT_3 var_229 = var_229_arg_0 == var_229_arg_1; [L602] SORT_53 var_227_arg_0 = var_125; [L603] SORT_53 var_227_arg_1 = var_226; [L604] SORT_3 var_227 = var_227_arg_0 == var_227_arg_1; [L605] SORT_53 var_225_arg_0 = var_125; [L606] SORT_53 var_225_arg_1 = var_224; [L607] SORT_3 var_225 = var_225_arg_0 == var_225_arg_1; [L608] SORT_53 var_223_arg_0 = var_125; [L609] SORT_53 var_223_arg_1 = var_222; [L610] SORT_3 var_223 = var_223_arg_0 == var_223_arg_1; [L611] SORT_53 var_221_arg_0 = var_125; [L612] SORT_53 var_221_arg_1 = var_220; [L613] SORT_3 var_221 = var_221_arg_0 == var_221_arg_1; [L614] SORT_3 var_232_arg_0 = var_223; [L615] SORT_3 var_232_arg_1 = var_221; [L616] EXPR ((SORT_1)var_232_arg_0 << 1) | var_232_arg_1 [L616] SORT_1 var_232 = ((SORT_1)var_232_arg_0 << 1) | var_232_arg_1; [L617] EXPR var_232 & mask_SORT_1 [L617] var_232 = var_232 & mask_SORT_1 [L618] SORT_3 var_233_arg_0 = var_225; [L619] SORT_1 var_233_arg_1 = var_232; [L620] EXPR ((SORT_31)var_233_arg_0 << 2) | var_233_arg_1 [L620] SORT_31 var_233 = ((SORT_31)var_233_arg_0 << 2) | var_233_arg_1; [L621] EXPR var_233 & mask_SORT_31 [L621] var_233 = var_233 & mask_SORT_31 [L622] SORT_3 var_234_arg_0 = var_227; [L623] SORT_31 var_234_arg_1 = var_233; [L624] EXPR ((SORT_6)var_234_arg_0 << 3) | var_234_arg_1 [L624] SORT_6 var_234 = ((SORT_6)var_234_arg_0 << 3) | var_234_arg_1; [L625] EXPR var_234 & mask_SORT_6 [L625] var_234 = var_234 & mask_SORT_6 [L626] SORT_3 var_235_arg_0 = var_229; [L627] SORT_6 var_235_arg_1 = var_234; [L628] EXPR ((SORT_24)var_235_arg_0 << 4) | var_235_arg_1 [L628] SORT_24 var_235 = ((SORT_24)var_235_arg_0 << 4) | var_235_arg_1; [L629] EXPR var_235 & mask_SORT_24 [L629] var_235 = var_235 & mask_SORT_24 [L630] SORT_3 var_236_arg_0 = var_231; [L631] SORT_24 var_236_arg_1 = var_235; [L632] EXPR ((SORT_53)var_236_arg_0 << 5) | var_236_arg_1 [L632] SORT_53 var_236 = ((SORT_53)var_236_arg_0 << 5) | var_236_arg_1; [L633] EXPR var_236 & mask_SORT_53 [L633] var_236 = var_236 & mask_SORT_53 [L634] SORT_53 var_237_arg_0 = var_236; [L635] SORT_3 var_237 = var_237_arg_0 != 0; [L636] SORT_53 var_210_arg_0 = var_125; [L637] SORT_53 var_210_arg_1 = var_209; [L638] SORT_3 var_210 = var_210_arg_0 == var_210_arg_1; [L639] SORT_53 var_208_arg_0 = var_125; [L640] SORT_53 var_208_arg_1 = var_207; [L641] SORT_3 var_208 = var_208_arg_0 == var_208_arg_1; [L642] SORT_53 var_206_arg_0 = var_125; [L643] SORT_53 var_206_arg_1 = var_205; [L644] SORT_3 var_206 = var_206_arg_0 == var_206_arg_1; [L645] SORT_53 var_204_arg_0 = var_125; [L646] SORT_53 var_204_arg_1 = var_203; [L647] SORT_3 var_204 = var_204_arg_0 == var_204_arg_1; [L648] SORT_53 var_202_arg_0 = var_125; [L649] SORT_53 var_202_arg_1 = var_201; [L650] SORT_3 var_202 = var_202_arg_0 == var_202_arg_1; [L651] SORT_53 var_200_arg_0 = var_125; [L652] SORT_53 var_200_arg_1 = var_199; [L653] SORT_3 var_200 = var_200_arg_0 == var_200_arg_1; [L654] SORT_53 var_198_arg_0 = var_125; [L655] SORT_53 var_198_arg_1 = var_197; [L656] SORT_3 var_198 = var_198_arg_0 == var_198_arg_1; [L657] SORT_3 var_211_arg_0 = var_200; [L658] SORT_3 var_211_arg_1 = var_198; [L659] EXPR ((SORT_1)var_211_arg_0 << 1) | var_211_arg_1 [L659] SORT_1 var_211 = ((SORT_1)var_211_arg_0 << 1) | var_211_arg_1; [L660] EXPR var_211 & mask_SORT_1 [L660] var_211 = var_211 & mask_SORT_1 [L661] SORT_3 var_212_arg_0 = var_202; [L662] SORT_1 var_212_arg_1 = var_211; [L663] EXPR ((SORT_31)var_212_arg_0 << 2) | var_212_arg_1 [L663] SORT_31 var_212 = ((SORT_31)var_212_arg_0 << 2) | var_212_arg_1; [L664] EXPR var_212 & mask_SORT_31 [L664] var_212 = var_212 & mask_SORT_31 [L665] SORT_3 var_213_arg_0 = var_204; [L666] SORT_31 var_213_arg_1 = var_212; [L667] EXPR ((SORT_6)var_213_arg_0 << 3) | var_213_arg_1 [L667] SORT_6 var_213 = ((SORT_6)var_213_arg_0 << 3) | var_213_arg_1; [L668] EXPR var_213 & mask_SORT_6 [L668] var_213 = var_213 & mask_SORT_6 [L669] SORT_3 var_214_arg_0 = var_206; [L670] SORT_6 var_214_arg_1 = var_213; [L671] EXPR ((SORT_24)var_214_arg_0 << 4) | var_214_arg_1 [L671] SORT_24 var_214 = ((SORT_24)var_214_arg_0 << 4) | var_214_arg_1; [L672] EXPR var_214 & mask_SORT_24 [L672] var_214 = var_214 & mask_SORT_24 [L673] SORT_3 var_215_arg_0 = var_208; [L674] SORT_24 var_215_arg_1 = var_214; [L675] EXPR ((SORT_53)var_215_arg_0 << 5) | var_215_arg_1 [L675] SORT_53 var_215 = ((SORT_53)var_215_arg_0 << 5) | var_215_arg_1; [L676] EXPR var_215 & mask_SORT_53 [L676] var_215 = var_215 & mask_SORT_53 [L677] SORT_3 var_216_arg_0 = var_210; [L678] SORT_53 var_216_arg_1 = var_215; [L679] EXPR ((SORT_62)var_216_arg_0 << 6) | var_216_arg_1 [L679] SORT_62 var_216 = ((SORT_62)var_216_arg_0 << 6) | var_216_arg_1; [L680] EXPR var_216 & mask_SORT_62 [L680] var_216 = var_216 & mask_SORT_62 [L681] SORT_62 var_217_arg_0 = var_216; [L682] SORT_3 var_217 = var_217_arg_0 != 0; [L683] SORT_53 var_187_arg_0 = var_125; [L684] SORT_53 var_187_arg_1 = var_186; [L685] SORT_3 var_187 = var_187_arg_0 == var_187_arg_1; [L686] SORT_53 var_185_arg_0 = var_125; [L687] SORT_53 var_185_arg_1 = var_184; [L688] SORT_3 var_185 = var_185_arg_0 == var_185_arg_1; [L689] SORT_53 var_183_arg_0 = var_125; [L690] SORT_53 var_183_arg_1 = var_182; [L691] SORT_3 var_183 = var_183_arg_0 == var_183_arg_1; [L692] SORT_53 var_181_arg_0 = var_125; [L693] SORT_53 var_181_arg_1 = var_180; [L694] SORT_3 var_181 = var_181_arg_0 == var_181_arg_1; [L695] SORT_53 var_179_arg_0 = var_125; [L696] SORT_53 var_179_arg_1 = var_178; [L697] SORT_3 var_179 = var_179_arg_0 == var_179_arg_1; [L698] SORT_3 var_188_arg_0 = var_181; [L699] SORT_3 var_188_arg_1 = var_179; [L700] EXPR ((SORT_1)var_188_arg_0 << 1) | var_188_arg_1 [L700] SORT_1 var_188 = ((SORT_1)var_188_arg_0 << 1) | var_188_arg_1; [L701] EXPR var_188 & mask_SORT_1 [L701] var_188 = var_188 & mask_SORT_1 [L702] SORT_3 var_189_arg_0 = var_183; [L703] SORT_1 var_189_arg_1 = var_188; [L704] EXPR ((SORT_31)var_189_arg_0 << 2) | var_189_arg_1 [L704] SORT_31 var_189 = ((SORT_31)var_189_arg_0 << 2) | var_189_arg_1; [L705] EXPR var_189 & mask_SORT_31 [L705] var_189 = var_189 & mask_SORT_31 [L706] SORT_3 var_190_arg_0 = var_185; [L707] SORT_31 var_190_arg_1 = var_189; [L708] EXPR ((SORT_6)var_190_arg_0 << 3) | var_190_arg_1 [L708] SORT_6 var_190 = ((SORT_6)var_190_arg_0 << 3) | var_190_arg_1; [L709] EXPR var_190 & mask_SORT_6 [L709] var_190 = var_190 & mask_SORT_6 [L710] SORT_3 var_191_arg_0 = var_187; [L711] SORT_6 var_191_arg_1 = var_190; [L712] EXPR ((SORT_24)var_191_arg_0 << 4) | var_191_arg_1 [L712] SORT_24 var_191 = ((SORT_24)var_191_arg_0 << 4) | var_191_arg_1; [L713] EXPR var_191 & mask_SORT_24 [L713] var_191 = var_191 & mask_SORT_24 [L714] SORT_24 var_192_arg_0 = var_191; [L715] SORT_3 var_192 = var_192_arg_0 != 0; [L716] SORT_53 var_157_arg_0 = var_125; [L717] SORT_53 var_157_arg_1 = var_156; [L718] SORT_3 var_157 = var_157_arg_0 == var_157_arg_1; [L719] SORT_53 var_155_arg_0 = var_125; [L720] SORT_53 var_155_arg_1 = var_154; [L721] SORT_3 var_155 = var_155_arg_0 == var_155_arg_1; [L722] SORT_53 var_153_arg_0 = var_125; [L723] SORT_53 var_153_arg_1 = var_152; [L724] SORT_3 var_153 = var_153_arg_0 == var_153_arg_1; [L725] SORT_53 var_151_arg_0 = var_125; [L726] SORT_53 var_151_arg_1 = var_150; [L727] SORT_3 var_151 = var_151_arg_0 == var_151_arg_1; [L728] SORT_53 var_149_arg_0 = var_125; [L729] SORT_53 var_149_arg_1 = var_148; [L730] SORT_3 var_149 = var_149_arg_0 == var_149_arg_1; [L731] SORT_53 var_147_arg_0 = var_125; [L732] SORT_53 var_147_arg_1 = var_146; [L733] SORT_3 var_147 = var_147_arg_0 == var_147_arg_1; [L734] SORT_53 var_145_arg_0 = var_125; [L735] SORT_53 var_145_arg_1 = var_144; [L736] SORT_3 var_145 = var_145_arg_0 == var_145_arg_1; [L737] SORT_53 var_143_arg_0 = var_125; [L738] SORT_53 var_143_arg_1 = var_142; [L739] SORT_3 var_143 = var_143_arg_0 == var_143_arg_1; [L740] SORT_53 var_141_arg_0 = var_125; [L741] SORT_53 var_141_arg_1 = var_140; [L742] SORT_3 var_141 = var_141_arg_0 == var_141_arg_1; [L743] SORT_53 var_139_arg_0 = var_125; [L744] SORT_53 var_139_arg_1 = var_138; [L745] SORT_3 var_139 = var_139_arg_0 == var_139_arg_1; [L746] SORT_53 var_137_arg_0 = var_125; [L747] SORT_53 var_137_arg_1 = var_136; [L748] SORT_3 var_137 = var_137_arg_0 == var_137_arg_1; [L749] SORT_53 var_135_arg_0 = var_125; [L750] SORT_53 var_135_arg_1 = var_134; [L751] SORT_3 var_135 = var_135_arg_0 == var_135_arg_1; [L752] SORT_53 var_133_arg_0 = var_125; [L753] SORT_53 var_133_arg_1 = var_132; [L754] SORT_3 var_133 = var_133_arg_0 == var_133_arg_1; [L755] SORT_53 var_131_arg_0 = var_125; [L756] SORT_53 var_131_arg_1 = var_130; [L757] SORT_3 var_131 = var_131_arg_0 == var_131_arg_1; [L758] SORT_3 var_158_arg_0 = var_133; [L759] SORT_3 var_158_arg_1 = var_131; [L760] EXPR ((SORT_1)var_158_arg_0 << 1) | var_158_arg_1 [L760] SORT_1 var_158 = ((SORT_1)var_158_arg_0 << 1) | var_158_arg_1; [L761] EXPR var_158 & mask_SORT_1 [L761] var_158 = var_158 & mask_SORT_1 [L762] SORT_3 var_159_arg_0 = var_135; [L763] SORT_1 var_159_arg_1 = var_158; [L764] EXPR ((SORT_31)var_159_arg_0 << 2) | var_159_arg_1 [L764] SORT_31 var_159 = ((SORT_31)var_159_arg_0 << 2) | var_159_arg_1; [L765] EXPR var_159 & mask_SORT_31 [L765] var_159 = var_159 & mask_SORT_31 [L766] SORT_3 var_160_arg_0 = var_137; [L767] SORT_31 var_160_arg_1 = var_159; [L768] EXPR ((SORT_6)var_160_arg_0 << 3) | var_160_arg_1 [L768] SORT_6 var_160 = ((SORT_6)var_160_arg_0 << 3) | var_160_arg_1; [L769] EXPR var_160 & mask_SORT_6 [L769] var_160 = var_160 & mask_SORT_6 [L770] SORT_3 var_161_arg_0 = var_139; [L771] SORT_6 var_161_arg_1 = var_160; [L772] EXPR ((SORT_24)var_161_arg_0 << 4) | var_161_arg_1 [L772] SORT_24 var_161 = ((SORT_24)var_161_arg_0 << 4) | var_161_arg_1; [L773] EXPR var_161 & mask_SORT_24 [L773] var_161 = var_161 & mask_SORT_24 [L774] SORT_3 var_162_arg_0 = var_141; [L775] SORT_24 var_162_arg_1 = var_161; [L776] EXPR ((SORT_53)var_162_arg_0 << 5) | var_162_arg_1 [L776] SORT_53 var_162 = ((SORT_53)var_162_arg_0 << 5) | var_162_arg_1; [L777] EXPR var_162 & mask_SORT_53 [L777] var_162 = var_162 & mask_SORT_53 [L778] SORT_3 var_163_arg_0 = var_143; [L779] SORT_53 var_163_arg_1 = var_162; [L780] EXPR ((SORT_62)var_163_arg_0 << 6) | var_163_arg_1 [L780] SORT_62 var_163 = ((SORT_62)var_163_arg_0 << 6) | var_163_arg_1; [L781] EXPR var_163 & mask_SORT_62 [L781] var_163 = var_163 & mask_SORT_62 [L782] SORT_3 var_164_arg_0 = var_145; [L783] SORT_62 var_164_arg_1 = var_163; [L784] EXPR ((SORT_9)var_164_arg_0 << 7) | var_164_arg_1 [L784] SORT_9 var_164 = ((SORT_9)var_164_arg_0 << 7) | var_164_arg_1; [L785] EXPR var_164 & mask_SORT_9 [L785] var_164 = var_164 & mask_SORT_9 [L786] SORT_3 var_166_arg_0 = var_147; [L787] SORT_9 var_166_arg_1 = var_164; [L788] EXPR ((SORT_165)var_166_arg_0 << 8) | var_166_arg_1 [L788] SORT_165 var_166 = ((SORT_165)var_166_arg_0 << 8) | var_166_arg_1; [L789] EXPR var_166 & mask_SORT_165 [L789] var_166 = var_166 & mask_SORT_165 [L790] SORT_3 var_168_arg_0 = var_149; [L791] SORT_165 var_168_arg_1 = var_166; [L792] EXPR ((SORT_167)var_168_arg_0 << 9) | var_168_arg_1 [L792] SORT_167 var_168 = ((SORT_167)var_168_arg_0 << 9) | var_168_arg_1; [L793] EXPR var_168 & mask_SORT_167 [L793] var_168 = var_168 & mask_SORT_167 [L794] SORT_3 var_170_arg_0 = var_151; [L795] SORT_167 var_170_arg_1 = var_168; [L796] EXPR ((SORT_169)var_170_arg_0 << 10) | var_170_arg_1 [L796] SORT_169 var_170 = ((SORT_169)var_170_arg_0 << 10) | var_170_arg_1; [L797] EXPR var_170 & mask_SORT_169 [L797] var_170 = var_170 & mask_SORT_169 [L798] SORT_3 var_172_arg_0 = var_153; [L799] SORT_169 var_172_arg_1 = var_170; [L800] EXPR ((SORT_171)var_172_arg_0 << 11) | var_172_arg_1 [L800] SORT_171 var_172 = ((SORT_171)var_172_arg_0 << 11) | var_172_arg_1; [L801] EXPR var_172 & mask_SORT_171 [L801] var_172 = var_172 & mask_SORT_171 [L802] SORT_3 var_174_arg_0 = var_155; [L803] SORT_171 var_174_arg_1 = var_172; [L804] EXPR ((SORT_173)var_174_arg_0 << 12) | var_174_arg_1 [L804] SORT_173 var_174 = ((SORT_173)var_174_arg_0 << 12) | var_174_arg_1; [L805] EXPR var_174 & mask_SORT_173 [L805] var_174 = var_174 & mask_SORT_173 [L806] SORT_3 var_176_arg_0 = var_157; [L807] SORT_173 var_176_arg_1 = var_174; [L808] EXPR ((SORT_175)var_176_arg_0 << 13) | var_176_arg_1 [L808] SORT_175 var_176 = ((SORT_175)var_176_arg_0 << 13) | var_176_arg_1; [L809] EXPR var_176 & mask_SORT_175 [L809] var_176 = var_176 & mask_SORT_175 [L810] SORT_175 var_177_arg_0 = var_176; [L811] SORT_3 var_177 = var_177_arg_0 != 0; [L812] SORT_3 var_193_arg_0 = var_192; [L813] SORT_3 var_193_arg_1 = var_177; [L814] EXPR ((SORT_1)var_193_arg_0 << 1) | var_193_arg_1 [L814] SORT_1 var_193 = ((SORT_1)var_193_arg_0 << 1) | var_193_arg_1; [L815] EXPR var_193 & mask_SORT_1 [L815] var_193 = var_193 & mask_SORT_1 [L816] SORT_1 var_194_arg_0 = var_193; [L817] SORT_3 var_194 = var_194_arg_0 != 0; [L818] SORT_53 var_129_arg_0 = var_125; [L819] SORT_53 var_129_arg_1 = var_128; [L820] SORT_3 var_129 = var_129_arg_0 == var_129_arg_1; [L821] SORT_3 var_195_arg_0 = var_194; [L822] SORT_3 var_195_arg_1 = var_129; [L823] EXPR ((SORT_1)var_195_arg_0 << 1) | var_195_arg_1 [L823] SORT_1 var_195 = ((SORT_1)var_195_arg_0 << 1) | var_195_arg_1; [L824] EXPR var_195 & mask_SORT_1 [L824] var_195 = var_195 & mask_SORT_1 [L825] SORT_1 var_196_arg_0 = var_195; [L826] SORT_3 var_196 = var_196_arg_0 != 0; [L827] SORT_3 var_218_arg_0 = var_217; [L828] SORT_3 var_218_arg_1 = var_196; [L829] EXPR ((SORT_1)var_218_arg_0 << 1) | var_218_arg_1 [L829] SORT_1 var_218 = ((SORT_1)var_218_arg_0 << 1) | var_218_arg_1; [L830] EXPR var_218 & mask_SORT_1 [L830] var_218 = var_218 & mask_SORT_1 [L831] SORT_1 var_219_arg_0 = var_218; [L832] SORT_3 var_219 = var_219_arg_0 != 0; [L833] SORT_3 var_238_arg_0 = var_237; [L834] SORT_3 var_238_arg_1 = var_219; [L835] EXPR ((SORT_1)var_238_arg_0 << 1) | var_238_arg_1 [L835] SORT_1 var_238 = ((SORT_1)var_238_arg_0 << 1) | var_238_arg_1; [L836] EXPR var_238 & mask_SORT_1 [L836] var_238 = var_238 & mask_SORT_1 [L837] SORT_1 var_239_arg_0 = var_238; [L838] SORT_3 var_239 = var_239_arg_0 != 0; [L839] SORT_3 var_240_arg_0 = var_127; [L840] SORT_3 var_240_arg_1 = var_239; [L841] EXPR ((SORT_1)var_240_arg_0 << 1) | var_240_arg_1 [L841] SORT_1 var_240 = ((SORT_1)var_240_arg_0 << 1) | var_240_arg_1; [L842] EXPR var_240 & mask_SORT_1 [L842] var_240 = var_240 & mask_SORT_1 [L843] SORT_1 var_241_arg_0 = var_240; [L844] SORT_3 var_241 = var_241_arg_0 != 0; [L845] SORT_3 var_242_arg_0 = var_241; [L846] SORT_3 var_242_arg_1 = var_127; [L847] EXPR ((SORT_1)var_242_arg_0 << 1) | var_242_arg_1 [L847] SORT_1 var_242 = ((SORT_1)var_242_arg_0 << 1) | var_242_arg_1; [L848] EXPR var_242 & mask_SORT_1 [L848] var_242 = var_242 & mask_SORT_1 [L849] SORT_1 var_243_arg_0 = var_242; [L850] SORT_3 var_243 = var_243_arg_0 == mask_SORT_1; [L851] SORT_3 var_249_arg_0 = state_117; [L852] SORT_6 var_249_arg_1 = state_247; [L853] SORT_6 var_249_arg_2 = input_65; [L854] SORT_6 var_249 = var_249_arg_0 ? var_249_arg_1 : var_249_arg_2; [L855] SORT_6 var_250_arg_0 = var_249; [L856] SORT_3 var_250 = var_250_arg_0 >> 3; [L857] SORT_3 var_246_arg_0 = state_117; [L858] SORT_24 var_246_arg_1 = state_244; [L859] SORT_24 var_246_arg_2 = input_51; [L860] SORT_24 var_246 = var_246_arg_0 ? var_246_arg_1 : var_246_arg_2; [L861] EXPR var_246 & mask_SORT_24 [L861] var_246 = var_246 & mask_SORT_24 [L862] SORT_3 var_251_arg_0 = var_250; [L863] SORT_24 var_251_arg_1 = var_246; [L864] EXPR ((SORT_53)var_251_arg_0 << 5) | var_251_arg_1 [L864] SORT_53 var_251 = ((SORT_53)var_251_arg_0 << 5) | var_251_arg_1; [L865] EXPR var_251 & mask_SORT_53 [L865] var_251 = var_251 & mask_SORT_53 [L866] SORT_53 var_252_arg_0 = var_251; [L867] SORT_53 var_252_arg_1 = var_126; [L868] SORT_3 var_252 = var_252_arg_0 == var_252_arg_1; [L869] SORT_3 var_253_arg_0 = var_241; [L870] SORT_3 var_253_arg_1 = var_252; [L871] EXPR ((SORT_1)var_253_arg_0 << 1) | var_253_arg_1 [L871] SORT_1 var_253 = ((SORT_1)var_253_arg_0 << 1) | var_253_arg_1; [L872] EXPR var_253 & mask_SORT_1 [L872] var_253 = var_253 & mask_SORT_1 [L873] SORT_1 var_254_arg_0 = var_253; [L874] SORT_3 var_254 = var_254_arg_0 == mask_SORT_1; [L875] SORT_3 var_255_arg_0 = var_243; [L876] SORT_3 var_255_arg_1 = var_254; [L877] SORT_3 var_255 = var_255_arg_0 == var_255_arg_1; [L878] SORT_3 var_256_arg_0 = var_113; [L879] SORT_3 var_256_arg_1 = var_255; [L880] EXPR var_256_arg_0 | var_256_arg_1 [L880] SORT_3 var_256 = var_256_arg_0 | var_256_arg_1; [L881] SORT_3 var_260_arg_0 = var_256; [L882] SORT_3 var_260 = ~var_260_arg_0; [L883] SORT_3 var_261_arg_0 = var_259; [L884] SORT_3 var_261_arg_1 = var_260; [L885] EXPR var_261_arg_0 & var_261_arg_1 [L885] SORT_3 var_261 = var_261_arg_0 & var_261_arg_1; [L886] EXPR var_261 & mask_SORT_3 [L886] var_261 = var_261 & mask_SORT_3 [L887] SORT_3 bad_262_arg_0 = var_261; [L888] CALL __VERIFIER_assert(!(bad_262_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 17:18:07,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh --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 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:18:09,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:18:10,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 17:18:10,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:18:10,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:18:10,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:18:10,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:18:10,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:18:10,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:18:10,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:18:10,098 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:18:10,098 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:18:10,099 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:18:10,100 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:18:10,100 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:18:10,101 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:18:10,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:18:10,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:18:10,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:18:10,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:18:10,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:18:10,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:18:10,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:18:10,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:18:10,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:18:10,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:18:10,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:18:10,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:18:10,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:18:10,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:18:10,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:18:10,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:18:10,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:18:10,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:18:10,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:18:10,112 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:18:10,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:18:10,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:18:10,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:18:10,114 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:18:10,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:18:10,115 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 [2023-12-02 17:18:10,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:18:10,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:18:10,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:18:10,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:18:10,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:18:10,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2023-12-02 17:18:13,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:18:13,956 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:18:13,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2023-12-02 17:18:14,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data/e2c61839b/68b2cf55cf2347b0b8fc8b0e9fb96f90/FLAG308c70386 [2023-12-02 17:18:14,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/data/e2c61839b/68b2cf55cf2347b0b8fc8b0e9fb96f90 [2023-12-02 17:18:14,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:18:14,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:18:14,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:18:14,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:18:14,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:18:14,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:14" (1/1) ... [2023-12-02 17:18:14,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2df7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14, skipping insertion in model container [2023-12-02 17:18:14,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:14" (1/1) ... [2023-12-02 17:18:14,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:18:14,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2023-12-02 17:18:15,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:18:15,676 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:18:15,688 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2023-12-02 17:18:16,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:18:16,538 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:18:16,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16 WrapperNode [2023-12-02 17:18:16,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:18:16,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:18:16,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:18:16,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:18:16,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:16,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,228 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11731 [2023-12-02 17:18:17,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:18:17,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:18:17,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:18:17,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:18:17,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:18:17,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:18:17,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:18:17,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:18:17,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (1/1) ... [2023-12-02 17:18:17,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:18:17,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:18:17,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:18:17,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:18:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:18:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:18:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:18:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:18:19,332 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:18:19,335 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:19:38,266 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:19:38,657 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:19:38,657 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:19:38,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:19:38 BoogieIcfgContainer [2023-12-02 17:19:38,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:19:38,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:19:38,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:19:38,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:19:38,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:18:14" (1/3) ... [2023-12-02 17:19:38,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64bae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:19:38, skipping insertion in model container [2023-12-02 17:19:38,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:16" (2/3) ... [2023-12-02 17:19:38,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64bae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:19:38, skipping insertion in model container [2023-12-02 17:19:38,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:19:38" (3/3) ... [2023-12-02 17:19:38,667 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal67.c [2023-12-02 17:19:38,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:19:38,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:19:38,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:19:38,737 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@6b23c7ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:19:38,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:19:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:19:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 17:19:38,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:19:38,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 17:19:38,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:19:38,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:19:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 17:19:38,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:19:38,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033983606] [2023-12-02 17:19:38,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:19:38,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:19:38,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:19:38,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 17:19:38,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 17:19:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:19:40,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 17:19:40,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:19:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:19:40,803 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:19:40,804 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:19:40,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033983606] [2023-12-02 17:19:40,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033983606] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:19:40,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:19:40,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:19:40,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92043964] [2023-12-02 17:19:40,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:19:40,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:19:40,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:19:40,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:19:40,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:19:40,847 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:19:43,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:19:45,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:19:47,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:19:50,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:19:52,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:19:52,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:19:52,648 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 17:19:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:19:52,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-02 17:19:52,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:19:52,729 INFO L225 Difference]: With dead ends: 16 [2023-12-02 17:19:52,730 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 17:19:52,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:19:52,735 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-12-02 17:19:52,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 11.7s Time] [2023-12-02 17:19:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 17:19:52,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 17:19:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:19:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 17:19:52,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 17:19:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:19:52,765 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 17:19:52,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:19:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 17:19:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 17:19:52,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:19:52,766 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 17:19:52,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:19:52,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:19:52,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:19:52,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:19:52,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 17:19:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:19:52,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946989783] [2023-12-02 17:19:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:19:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:19:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:19:52,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 17:19:52,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 17:21:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:21:33,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 9909 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 17:21:33,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:21:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:21:34,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:21:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:21:44,044 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:21:44,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946989783] [2023-12-02 17:21:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946989783] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:21:44,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1684868823] [2023-12-02 17:21:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:21:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:21:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:21:44,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:21:44,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 17:21:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:21:57,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 9909 conjuncts, 82 conjunts are in the unsatisfiable core [2023-12-02 17:21:57,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:21:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:21:58,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:22:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:22:20,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1684868823] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:22:20,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794405123] [2023-12-02 17:22:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:22:20,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:22:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:22:20,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:22:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 17:22:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:22:24,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 9909 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 17:22:24,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:22:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:22:25,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:22:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:22:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794405123] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:22:56,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 17:22:56,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5, 4, 5, 5] total 16 [2023-12-02 17:22:56,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437741436] [2023-12-02 17:22:56,638 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 17:22:56,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 17:22:56,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:22:56,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 17:22:56,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=191, Unknown=18, NotChecked=0, Total=272 [2023-12-02 17:22:56,641 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:22:59,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:01,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:03,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:05,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:07,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:09,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:13,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:15,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:17,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:19,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:22,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:24,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:26,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:28,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:30,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:32,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:34,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:36,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:38,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:40,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:42,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:44,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:46,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:48,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:51,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:53,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:23:55,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:57,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:59,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:01,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:03,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:24:05,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:24:07,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:24:09,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:11,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:24:13,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:24:16,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:24:18,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:20,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:22,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:24,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:24:24,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:24:24,290 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 17:24:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:24:24,291 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 17:24:24,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:24:24,292 INFO L225 Difference]: With dead ends: 14 [2023-12-02 17:24:24,292 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 17:24:24,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 44.9s TimeCoverageRelationStatistics Valid=105, Invalid=257, Unknown=18, NotChecked=0, Total=380 [2023-12-02 17:24:24,294 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 42 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 42 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:24:24,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 42 Unknown, 0 Unchecked, 87.0s Time] [2023-12-02 17:24:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 17:24:24,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 17:24:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:24:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 17:24:24,300 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 17:24:24,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:24:24,300 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 17:24:24,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:24:24,300 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 17:24:24,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:24:24,301 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:24:24,301 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 17:24:24,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 17:24:24,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 17:24:24,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 17:24:24,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 17:24:24,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:24:24,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:24:24,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 17:24:24,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:24:24,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184275610] [2023-12-02 17:24:24,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 17:24:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:24:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:24:24,925 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 17:24:24,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f4685c-fc17-427d-9af1-d9c8eaef3a5c/bin/utaipan-verify-nQ1chXbOIh/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