./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:47:45,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:47:45,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:47:45,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:47:45,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:47:46,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:47:46,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:47:46,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:47:46,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:47:46,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:47:46,035 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:47:46,035 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:47:46,036 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:47:46,037 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:47:46,038 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:47:46,038 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:47:46,041 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:47:46,041 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:47:46,042 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:47:46,042 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:47:46,043 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:47:46,046 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:47:46,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:47:46,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:47:46,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:47:46,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:47:46,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:47:46,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:47:46,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:47:46,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:47:46,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:47:46,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:47:46,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:47:46,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:47:46,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:47:46,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:47:46,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:47:46,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:47:46,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:47:46,057 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:47:46,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:47:46,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:47:46,058 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:47:46,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:47:46,058 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_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-11-09 05:47:46,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:47:46,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:47:46,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:47:46,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:47:46,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:47:46,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c Unable to find full path for "g++" [2024-11-09 05:47:48,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:47:49,066 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:47:49,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-09 05:47:49,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data/26fb14b28/0aabb7a8475349739d4c913954e7971a/FLAG735cc08f0 [2024-11-09 05:47:49,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data/26fb14b28/0aabb7a8475349739d4c913954e7971a [2024-11-09 05:47:49,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:47:49,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:47:49,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:47:49,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:47:49,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:47:49,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:47:49" (1/1) ... [2024-11-09 05:47:49,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ab43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:49, skipping insertion in model container [2024-11-09 05:47:49,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:47:49" (1/1) ... [2024-11-09 05:47:49,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:47:49,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-09 05:47:49,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:47:49,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:47:49,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-09 05:47:50,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:47:50,155 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:47:50,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50 WrapperNode [2024-11-09 05:47:50,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:47:50,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:47:50,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:47:50,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:47:50,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,453 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1384 [2024-11-09 05:47:50,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:47:50,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:47:50,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:47:50,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:47:50,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:47:50,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:47:50,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:47:50,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:47:50,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (1/1) ... [2024-11-09 05:47:50,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:47:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:50,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:47:50,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:47:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:47:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:47:50,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:47:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:47:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:47:50,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:47:51,204 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:47:51,207 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:47:53,578 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-09 05:47:53,578 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:47:55,651 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:47:55,651 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:47:55,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:55 BoogieIcfgContainer [2024-11-09 05:47:55,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:47:55,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:47:55,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:47:55,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:47:55,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:47:49" (1/3) ... [2024-11-09 05:47:55,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f74216b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:47:55, skipping insertion in model container [2024-11-09 05:47:55,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:50" (2/3) ... [2024-11-09 05:47:55,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f74216b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:47:55, skipping insertion in model container [2024-11-09 05:47:55,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:55" (3/3) ... [2024-11-09 05:47:55,663 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-09 05:47:55,687 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:47:55,687 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:47:55,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:47:55,775 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@ebd4137, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:47:55,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:47:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:47:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:47:55,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:55,792 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:55,793 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:47:55,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:55,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2143558049, now seen corresponding path program 1 times [2024-11-09 05:47:55,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:55,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252239303] [2024-11-09 05:47:55,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:59,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:59,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252239303] [2024-11-09 05:47:59,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252239303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:59,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:59,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:47:59,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027610978] [2024-11-09 05:47:59,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:59,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:59,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:59,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:59,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:59,462 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:48:01,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:01,769 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2024-11-09 05:48:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:01,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2024-11-09 05:48:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:01,782 INFO L225 Difference]: With dead ends: 36 [2024-11-09 05:48:01,782 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 05:48:01,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:01,789 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:01,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 05:48:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 05:48:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 05:48:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 05:48:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-09 05:48:01,845 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2024-11-09 05:48:01,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:01,846 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 05:48:01,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:48:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-09 05:48:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 05:48:01,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:01,852 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 05:48:01,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:48:01,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:01,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -958507370, now seen corresponding path program 1 times [2024-11-09 05:48:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236516579] [2024-11-09 05:48:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:48:10,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:48:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:48:15,536 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:48:15,537 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:48:15,539 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:48:15,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:48:15,547 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 05:48:15,629 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:48:15,629 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:48:15,682 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:48:15,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:48:15 BoogieIcfgContainer [2024-11-09 05:48:15,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:48:15,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:48:15,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:48:15,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:48:15,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:55" (3/4) ... [2024-11-09 05:48:15,696 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:48:15,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:48:15,699 INFO L158 Benchmark]: Toolchain (without parser) took 26391.40ms. Allocated memory was 163.6MB in the beginning and 830.5MB in the end (delta: 666.9MB). Free memory was 131.1MB in the beginning and 402.7MB in the end (delta: -271.6MB). Peak memory consumption was 394.2MB. Max. memory is 16.1GB. [2024-11-09 05:48:15,699 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 123.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:15,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.37ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 106.7MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:48:15,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 296.63ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 73.9MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 05:48:15,701 INFO L158 Benchmark]: Boogie Preprocessor took 381.94ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 73.9MB in the beginning and 201.0MB in the end (delta: -127.1MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-09 05:48:15,702 INFO L158 Benchmark]: RCFGBuilder took 4814.02ms. Allocated memory was 253.8MB in the beginning and 329.3MB in the end (delta: 75.5MB). Free memory was 201.0MB in the beginning and 120.9MB in the end (delta: 80.1MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. [2024-11-09 05:48:15,703 INFO L158 Benchmark]: TraceAbstraction took 20035.70ms. Allocated memory was 329.3MB in the beginning and 830.5MB in the end (delta: 501.2MB). Free memory was 119.9MB in the beginning and 403.7MB in the end (delta: -283.8MB). Peak memory consumption was 371.5MB. Max. memory is 16.1GB. [2024-11-09 05:48:15,703 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 830.5MB. Free memory was 403.7MB in the beginning and 402.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:15,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 123.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.37ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 106.7MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 296.63ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 73.9MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 381.94ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 73.9MB in the beginning and 201.0MB in the end (delta: -127.1MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4814.02ms. Allocated memory was 253.8MB in the beginning and 329.3MB in the end (delta: 75.5MB). Free memory was 201.0MB in the beginning and 120.9MB in the end (delta: 80.1MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. * TraceAbstraction took 20035.70ms. Allocated memory was 329.3MB in the beginning and 830.5MB in the end (delta: 501.2MB). Free memory was 119.9MB in the beginning and 403.7MB in the end (delta: -283.8MB). Peak memory consumption was 371.5MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 830.5MB. Free memory was 403.7MB in the beginning and 402.7MB in the end (delta: 1.0MB). 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 290, overapproximation of bitwiseAnd at line 158. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 5); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (5 - 1); [L35] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L36] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L38] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 3); [L39] const SORT_19 msb_SORT_19 = (SORT_19)1 << (3 - 1); [L41] const SORT_40 mask_SORT_40 = (SORT_40)-1 >> (sizeof(SORT_40) * 8 - 2); [L42] const SORT_40 msb_SORT_40 = (SORT_40)1 << (2 - 1); [L44] const SORT_13 var_15 = 8; [L45] const SORT_19 var_20 = 7; [L46] const SORT_19 var_25 = 6; [L47] const SORT_19 var_30 = 5; [L48] const SORT_19 var_35 = 4; [L49] const SORT_40 var_41 = 3; [L50] const SORT_40 var_46 = 2; [L51] const SORT_1 var_51 = 1; [L52] const SORT_13 var_64 = 9; [L53] const SORT_11 var_81 = 0; [L54] const SORT_1 var_111 = 0; [L55] const SORT_3 var_268 = 0; [L57] SORT_1 input_2; [L58] SORT_3 input_4; [L59] SORT_1 input_5; [L60] SORT_1 input_6; [L61] SORT_1 input_7; [L62] SORT_1 input_8; [L63] SORT_3 input_9; [L64] SORT_1 input_109; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L67] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L68] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L69] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L70] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L71] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L72] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L73] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L74] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L75] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L76] SORT_11 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L79] SORT_11 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L80] SORT_3 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L82] SORT_11 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L84] SORT_1 init_92_arg_1 = var_51; [L85] state_91 = init_92_arg_1 VAL [mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uchar() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_1 [L93] input_7 = input_7 & mask_SORT_1 [L94] input_8 = __VERIFIER_nondet_uchar() [L95] input_9 = __VERIFIER_nondet_uchar() [L96] input_109 = __VERIFIER_nondet_uchar() [L98] SORT_1 var_93_arg_0 = input_7; [L99] SORT_1 var_93_arg_1 = state_91; [L100] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L101] SORT_1 var_94_arg_0 = var_51; [L102] SORT_1 var_94 = ~var_94_arg_0; [L103] SORT_1 var_95_arg_0 = var_93; [L104] SORT_1 var_95_arg_1 = var_94; [L105] EXPR var_95_arg_0 | var_95_arg_1 [L105] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L106] EXPR var_95 & mask_SORT_1 [L106] var_95 = var_95 & mask_SORT_1 [L107] SORT_1 constr_96_arg_0 = var_95; VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L108] CALL assume_abort_if_not(constr_96_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L108] RET assume_abort_if_not(constr_96_arg_0) VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L109] SORT_13 var_65_arg_0 = var_64; [L110] EXPR var_65_arg_0 & mask_SORT_13 [L110] var_65_arg_0 = var_65_arg_0 & mask_SORT_13 [L111] SORT_11 var_65 = var_65_arg_0; [L112] SORT_11 var_66_arg_0 = state_60; [L113] SORT_11 var_66_arg_1 = var_65; [L114] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L115] SORT_1 var_97_arg_0 = var_66; [L116] SORT_1 var_97 = ~var_97_arg_0; [L117] SORT_1 var_98_arg_0 = input_6; [L118] SORT_1 var_98 = ~var_98_arg_0; [L119] SORT_1 var_99_arg_0 = var_97; [L120] SORT_1 var_99_arg_1 = var_98; [L121] EXPR var_99_arg_0 | var_99_arg_1 [L121] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L122] SORT_1 var_100_arg_0 = var_51; [L123] SORT_1 var_100 = ~var_100_arg_0; [L124] SORT_1 var_101_arg_0 = var_99; [L125] SORT_1 var_101_arg_1 = var_100; [L126] EXPR var_101_arg_0 | var_101_arg_1 [L126] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L127] EXPR var_101 & mask_SORT_1 [L127] var_101 = var_101 & mask_SORT_1 [L128] SORT_1 constr_102_arg_0 = var_101; VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L129] CALL assume_abort_if_not(constr_102_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L129] RET assume_abort_if_not(constr_102_arg_0) VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L130] SORT_11 var_61_arg_0 = state_60; [L131] SORT_1 var_61 = var_61_arg_0 != 0; [L132] SORT_1 var_62_arg_0 = var_61; [L133] SORT_1 var_62 = ~var_62_arg_0; [L134] SORT_1 var_103_arg_0 = var_62; [L135] SORT_1 var_103 = ~var_103_arg_0; [L136] SORT_1 var_104_arg_0 = input_5; [L137] SORT_1 var_104 = ~var_104_arg_0; [L138] SORT_1 var_105_arg_0 = var_103; [L139] SORT_1 var_105_arg_1 = var_104; [L140] EXPR var_105_arg_0 | var_105_arg_1 [L140] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L141] SORT_1 var_106_arg_0 = var_51; [L142] SORT_1 var_106 = ~var_106_arg_0; [L143] SORT_1 var_107_arg_0 = var_105; [L144] SORT_1 var_107_arg_1 = var_106; [L145] EXPR var_107_arg_0 | var_107_arg_1 [L145] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L146] EXPR var_107 & mask_SORT_1 [L146] var_107 = var_107 & mask_SORT_1 [L147] SORT_1 constr_108_arg_0 = var_107; VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=255, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L148] CALL assume_abort_if_not(constr_108_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L148] RET assume_abort_if_not(constr_108_arg_0) VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=255, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=0, state_69=1, state_72=0, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L150] SORT_1 var_112_arg_0 = state_91; [L151] SORT_1 var_112_arg_1 = var_111; [L152] SORT_1 var_112_arg_2 = var_51; [L153] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L154] SORT_1 var_70_arg_0 = state_69; [L155] SORT_1 var_70 = ~var_70_arg_0; [L156] SORT_1 var_71_arg_0 = state_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] EXPR var_71_arg_0 & var_71_arg_1 [L158] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L159] SORT_11 var_73_arg_0 = state_72; [L160] SORT_1 var_73 = var_73_arg_0 != 0; [L161] SORT_1 var_74_arg_0 = var_71; [L162] SORT_1 var_74_arg_1 = var_73; [L163] EXPR var_74_arg_0 & var_74_arg_1 [L163] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L164] SORT_1 var_75_arg_0 = state_68; [L165] SORT_1 var_75 = ~var_75_arg_0; [L166] SORT_1 var_76_arg_0 = input_6; [L167] SORT_1 var_76_arg_1 = var_75; [L168] EXPR var_76_arg_0 & var_76_arg_1 [L168] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L169] SORT_1 var_77_arg_0 = var_76; [L170] EXPR var_77_arg_0 & mask_SORT_1 [L170] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L171] SORT_11 var_77 = var_77_arg_0; [L172] SORT_11 var_78_arg_0 = state_72; [L173] SORT_11 var_78_arg_1 = var_77; [L174] SORT_11 var_78 = var_78_arg_0 + var_78_arg_1; [L175] SORT_1 var_79_arg_0 = input_5; [L176] EXPR var_79_arg_0 & mask_SORT_1 [L176] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L177] SORT_11 var_79 = var_79_arg_0; [L178] SORT_11 var_80_arg_0 = var_78; [L179] SORT_11 var_80_arg_1 = var_79; [L180] SORT_11 var_80 = var_80_arg_0 - var_80_arg_1; [L181] SORT_1 var_82_arg_0 = input_7; [L182] SORT_11 var_82_arg_1 = var_81; [L183] SORT_11 var_82_arg_2 = var_80; [L184] SORT_11 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L185] EXPR var_82 & mask_SORT_11 [L185] var_82 = var_82 & mask_SORT_11 [L186] SORT_11 var_83_arg_0 = var_82; [L187] SORT_1 var_83 = var_83_arg_0 != 0; [L188] SORT_1 var_84_arg_0 = var_83; [L189] SORT_1 var_84 = ~var_84_arg_0; [L190] SORT_1 var_85_arg_0 = var_74; [L191] SORT_1 var_85_arg_1 = var_84; [L192] EXPR var_85_arg_0 & var_85_arg_1 [L192] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L193] SORT_1 var_86_arg_0 = var_85; [L194] SORT_1 var_86 = ~var_86_arg_0; [L195] SORT_11 var_14_arg_0 = state_12; [L196] SORT_13 var_14 = var_14_arg_0 >> 0; [L197] EXPR var_14 & mask_SORT_13 [L197] var_14 = var_14 & mask_SORT_13 [L198] SORT_13 var_56_arg_0 = var_14; [L199] SORT_1 var_56 = var_56_arg_0 != 0; [L200] SORT_1 var_57_arg_0 = var_56; [L201] SORT_1 var_57 = ~var_57_arg_0; [L202] EXPR var_57 & mask_SORT_1 [L202] var_57 = var_57 & mask_SORT_1 [L203] SORT_1 var_52_arg_0 = var_51; [L204] EXPR var_52_arg_0 & mask_SORT_1 [L204] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L205] SORT_13 var_52 = var_52_arg_0; [L206] SORT_13 var_53_arg_0 = var_14; [L207] SORT_13 var_53_arg_1 = var_52; [L208] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L209] SORT_40 var_47_arg_0 = var_46; [L210] EXPR var_47_arg_0 & mask_SORT_40 [L210] var_47_arg_0 = var_47_arg_0 & mask_SORT_40 [L211] SORT_13 var_47 = var_47_arg_0; [L212] SORT_13 var_48_arg_0 = var_14; [L213] SORT_13 var_48_arg_1 = var_47; [L214] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L215] SORT_40 var_42_arg_0 = var_41; [L216] EXPR var_42_arg_0 & mask_SORT_40 [L216] var_42_arg_0 = var_42_arg_0 & mask_SORT_40 [L217] SORT_13 var_42 = var_42_arg_0; [L218] SORT_13 var_43_arg_0 = var_14; [L219] SORT_13 var_43_arg_1 = var_42; [L220] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L221] SORT_19 var_36_arg_0 = var_35; [L222] EXPR var_36_arg_0 & mask_SORT_19 [L222] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L223] SORT_13 var_36 = var_36_arg_0; [L224] SORT_13 var_37_arg_0 = var_14; [L225] SORT_13 var_37_arg_1 = var_36; [L226] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L227] SORT_19 var_31_arg_0 = var_30; [L228] EXPR var_31_arg_0 & mask_SORT_19 [L228] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L229] SORT_13 var_31 = var_31_arg_0; [L230] SORT_13 var_32_arg_0 = var_14; [L231] SORT_13 var_32_arg_1 = var_31; [L232] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L233] SORT_19 var_26_arg_0 = var_25; [L234] EXPR var_26_arg_0 & mask_SORT_19 [L234] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L235] SORT_13 var_26 = var_26_arg_0; [L236] SORT_13 var_27_arg_0 = var_14; [L237] SORT_13 var_27_arg_1 = var_26; [L238] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L239] SORT_19 var_21_arg_0 = var_20; [L240] EXPR var_21_arg_0 & mask_SORT_19 [L240] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L241] SORT_13 var_21 = var_21_arg_0; [L242] SORT_13 var_22_arg_0 = var_14; [L243] SORT_13 var_22_arg_1 = var_21; [L244] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L245] SORT_13 var_16_arg_0 = var_14; [L246] SORT_13 var_16_arg_1 = var_15; [L247] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L248] SORT_1 var_17_arg_0 = var_16; [L249] SORT_3 var_17_arg_1 = state_10; [L250] SORT_3 var_17_arg_2 = input_9; [L251] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L252] SORT_1 var_23_arg_0 = var_22; [L253] SORT_3 var_23_arg_1 = state_18; [L254] SORT_3 var_23_arg_2 = var_17; [L255] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L256] SORT_1 var_28_arg_0 = var_27; [L257] SORT_3 var_28_arg_1 = state_24; [L258] SORT_3 var_28_arg_2 = var_23; [L259] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L260] SORT_1 var_33_arg_0 = var_32; [L261] SORT_3 var_33_arg_1 = state_29; [L262] SORT_3 var_33_arg_2 = var_28; [L263] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L264] SORT_1 var_38_arg_0 = var_37; [L265] SORT_3 var_38_arg_1 = state_34; [L266] SORT_3 var_38_arg_2 = var_33; [L267] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L268] SORT_1 var_44_arg_0 = var_43; [L269] SORT_3 var_44_arg_1 = state_39; [L270] SORT_3 var_44_arg_2 = var_38; [L271] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L272] SORT_1 var_49_arg_0 = var_48; [L273] SORT_3 var_49_arg_1 = state_45; [L274] SORT_3 var_49_arg_2 = var_44; [L275] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L276] SORT_1 var_54_arg_0 = var_53; [L277] SORT_3 var_54_arg_1 = state_50; [L278] SORT_3 var_54_arg_2 = var_49; [L279] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L280] SORT_1 var_58_arg_0 = var_57; [L281] SORT_3 var_58_arg_1 = state_55; [L282] SORT_3 var_58_arg_2 = var_54; [L283] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L284] EXPR var_58 & mask_SORT_3 [L284] var_58 = var_58 & mask_SORT_3 [L285] SORT_3 var_88_arg_0 = state_87; [L286] SORT_3 var_88_arg_1 = var_58; [L287] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L288] SORT_1 var_89_arg_0 = var_86; [L289] SORT_1 var_89_arg_1 = var_88; [L290] EXPR var_89_arg_0 | var_89_arg_1 [L290] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L291] SORT_1 var_110_arg_0 = state_91; [L292] SORT_1 var_110_arg_1 = input_109; [L293] SORT_1 var_110_arg_2 = var_89; [L294] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L295] SORT_1 var_113_arg_0 = var_110; [L296] SORT_1 var_113 = ~var_113_arg_0; [L297] SORT_1 var_114_arg_0 = var_112; [L298] SORT_1 var_114_arg_1 = var_113; [L299] EXPR var_114_arg_0 & var_114_arg_1 [L299] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L300] EXPR var_114 & mask_SORT_1 [L300] var_114 = var_114 & mask_SORT_1 [L301] SORT_1 bad_115_arg_0 = var_114; [L302] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L21] COND FALSE !(!(cond)) [L302] RET __VERIFIER_assert(!(bad_115_arg_0)) [L304] SORT_11 var_137_arg_0 = state_136; [L305] SORT_13 var_137 = var_137_arg_0 >> 0; [L306] EXPR var_137 & mask_SORT_13 [L306] var_137 = var_137 & mask_SORT_13 [L307] SORT_13 var_194_arg_0 = var_137; [L308] SORT_13 var_194_arg_1 = var_15; [L309] SORT_1 var_194 = var_194_arg_0 == var_194_arg_1; [L310] SORT_1 var_195_arg_0 = input_6; [L311] SORT_1 var_195_arg_1 = var_194; [L312] EXPR var_195_arg_0 & var_195_arg_1 [L312] SORT_1 var_195 = var_195_arg_0 & var_195_arg_1; [L313] EXPR var_195 & mask_SORT_1 [L313] var_195 = var_195 & mask_SORT_1 [L314] SORT_1 var_267_arg_0 = var_195; [L315] SORT_3 var_267_arg_1 = input_4; [L316] SORT_3 var_267_arg_2 = state_10; [L317] SORT_3 var_267 = var_267_arg_0 ? var_267_arg_1 : var_267_arg_2; [L318] SORT_1 var_269_arg_0 = input_7; [L319] SORT_3 var_269_arg_1 = var_268; [L320] SORT_3 var_269_arg_2 = var_267; [L321] SORT_3 var_269 = var_269_arg_0 ? var_269_arg_1 : var_269_arg_2; [L322] SORT_3 next_270_arg_1 = var_269; [L323] SORT_1 var_119_arg_0 = input_6; [L324] SORT_1 var_119_arg_1 = input_5; [L325] EXPR var_119_arg_0 | var_119_arg_1 [L325] SORT_1 var_119 = var_119_arg_0 | var_119_arg_1; [L326] SORT_1 var_120_arg_0 = var_119; [L327] SORT_1 var_120_arg_1 = input_7; [L328] EXPR var_120_arg_0 | var_120_arg_1 [L328] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L329] EXPR var_120 & mask_SORT_1 [L329] var_120 = var_120 & mask_SORT_1 [L330] SORT_1 var_198_arg_0 = input_5; [L331] EXPR var_198_arg_0 & mask_SORT_1 [L331] var_198_arg_0 = var_198_arg_0 & mask_SORT_1 [L332] SORT_11 var_198 = var_198_arg_0; [L333] SORT_11 var_199_arg_0 = state_12; [L334] SORT_11 var_199_arg_1 = var_198; [L335] SORT_11 var_199 = var_199_arg_0 + var_199_arg_1; [L336] SORT_1 var_271_arg_0 = var_120; [L337] SORT_11 var_271_arg_1 = var_199; [L338] SORT_11 var_271_arg_2 = state_12; [L339] SORT_11 var_271 = var_271_arg_0 ? var_271_arg_1 : var_271_arg_2; [L340] SORT_1 var_272_arg_0 = input_7; [L341] SORT_11 var_272_arg_1 = var_81; [L342] SORT_11 var_272_arg_2 = var_271; [L343] SORT_11 var_272 = var_272_arg_0 ? var_272_arg_1 : var_272_arg_2; [L344] SORT_11 next_273_arg_1 = var_272; [L345] SORT_19 var_187_arg_0 = var_20; [L346] EXPR var_187_arg_0 & mask_SORT_19 [L346] var_187_arg_0 = var_187_arg_0 & mask_SORT_19 [L347] SORT_13 var_187 = var_187_arg_0; [L348] SORT_13 var_188_arg_0 = var_137; [L349] SORT_13 var_188_arg_1 = var_187; [L350] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L351] SORT_1 var_189_arg_0 = input_6; [L352] SORT_1 var_189_arg_1 = var_188; [L353] EXPR var_189_arg_0 & var_189_arg_1 [L353] SORT_1 var_189 = var_189_arg_0 & var_189_arg_1; [L354] EXPR var_189 & mask_SORT_1 [L354] var_189 = var_189 & mask_SORT_1 [L355] SORT_1 var_274_arg_0 = var_189; [L356] SORT_3 var_274_arg_1 = input_4; [L357] SORT_3 var_274_arg_2 = state_18; [L358] SORT_3 var_274 = var_274_arg_0 ? var_274_arg_1 : var_274_arg_2; [L359] SORT_1 var_275_arg_0 = input_7; [L360] SORT_3 var_275_arg_1 = var_268; [L361] SORT_3 var_275_arg_2 = var_274; [L362] SORT_3 var_275 = var_275_arg_0 ? var_275_arg_1 : var_275_arg_2; [L363] SORT_3 next_276_arg_1 = var_275; [L364] SORT_19 var_180_arg_0 = var_25; [L365] EXPR var_180_arg_0 & mask_SORT_19 [L365] var_180_arg_0 = var_180_arg_0 & mask_SORT_19 [L366] SORT_13 var_180 = var_180_arg_0; [L367] SORT_13 var_181_arg_0 = var_137; [L368] SORT_13 var_181_arg_1 = var_180; [L369] SORT_1 var_181 = var_181_arg_0 == var_181_arg_1; [L370] SORT_1 var_182_arg_0 = input_6; [L371] SORT_1 var_182_arg_1 = var_181; [L372] EXPR var_182_arg_0 & var_182_arg_1 [L372] SORT_1 var_182 = var_182_arg_0 & var_182_arg_1; [L373] EXPR var_182 & mask_SORT_1 [L373] var_182 = var_182 & mask_SORT_1 [L374] SORT_1 var_277_arg_0 = var_182; [L375] SORT_3 var_277_arg_1 = input_4; [L376] SORT_3 var_277_arg_2 = state_24; [L377] SORT_3 var_277 = var_277_arg_0 ? var_277_arg_1 : var_277_arg_2; [L378] SORT_1 var_278_arg_0 = input_7; [L379] SORT_3 var_278_arg_1 = var_268; [L380] SORT_3 var_278_arg_2 = var_277; [L381] SORT_3 var_278 = var_278_arg_0 ? var_278_arg_1 : var_278_arg_2; [L382] SORT_3 next_279_arg_1 = var_278; [L383] SORT_19 var_173_arg_0 = var_30; [L384] EXPR var_173_arg_0 & mask_SORT_19 [L384] var_173_arg_0 = var_173_arg_0 & mask_SORT_19 [L385] SORT_13 var_173 = var_173_arg_0; [L386] SORT_13 var_174_arg_0 = var_137; [L387] SORT_13 var_174_arg_1 = var_173; [L388] SORT_1 var_174 = var_174_arg_0 == var_174_arg_1; [L389] SORT_1 var_175_arg_0 = input_6; [L390] SORT_1 var_175_arg_1 = var_174; [L391] EXPR var_175_arg_0 & var_175_arg_1 [L391] SORT_1 var_175 = var_175_arg_0 & var_175_arg_1; [L392] EXPR var_175 & mask_SORT_1 [L392] var_175 = var_175 & mask_SORT_1 [L393] SORT_1 var_280_arg_0 = var_175; [L394] SORT_3 var_280_arg_1 = input_4; [L395] SORT_3 var_280_arg_2 = state_29; [L396] SORT_3 var_280 = var_280_arg_0 ? var_280_arg_1 : var_280_arg_2; [L397] SORT_1 var_281_arg_0 = input_7; [L398] SORT_3 var_281_arg_1 = var_268; [L399] SORT_3 var_281_arg_2 = var_280; [L400] SORT_3 var_281 = var_281_arg_0 ? var_281_arg_1 : var_281_arg_2; [L401] SORT_3 next_282_arg_1 = var_281; [L402] SORT_19 var_166_arg_0 = var_35; [L403] EXPR var_166_arg_0 & mask_SORT_19 [L403] var_166_arg_0 = var_166_arg_0 & mask_SORT_19 [L404] SORT_13 var_166 = var_166_arg_0; [L405] SORT_13 var_167_arg_0 = var_137; [L406] SORT_13 var_167_arg_1 = var_166; [L407] SORT_1 var_167 = var_167_arg_0 == var_167_arg_1; [L408] SORT_1 var_168_arg_0 = input_6; [L409] SORT_1 var_168_arg_1 = var_167; [L410] EXPR var_168_arg_0 & var_168_arg_1 [L410] SORT_1 var_168 = var_168_arg_0 & var_168_arg_1; [L411] EXPR var_168 & mask_SORT_1 [L411] var_168 = var_168 & mask_SORT_1 [L412] SORT_1 var_283_arg_0 = var_168; [L413] SORT_3 var_283_arg_1 = input_4; [L414] SORT_3 var_283_arg_2 = state_34; [L415] SORT_3 var_283 = var_283_arg_0 ? var_283_arg_1 : var_283_arg_2; [L416] SORT_1 var_284_arg_0 = input_7; [L417] SORT_3 var_284_arg_1 = var_268; [L418] SORT_3 var_284_arg_2 = var_283; [L419] SORT_3 var_284 = var_284_arg_0 ? var_284_arg_1 : var_284_arg_2; [L420] SORT_3 next_285_arg_1 = var_284; [L421] SORT_40 var_159_arg_0 = var_41; [L422] EXPR var_159_arg_0 & mask_SORT_40 [L422] var_159_arg_0 = var_159_arg_0 & mask_SORT_40 [L423] SORT_13 var_159 = var_159_arg_0; [L424] SORT_13 var_160_arg_0 = var_137; [L425] SORT_13 var_160_arg_1 = var_159; [L426] SORT_1 var_160 = var_160_arg_0 == var_160_arg_1; [L427] SORT_1 var_161_arg_0 = input_6; [L428] SORT_1 var_161_arg_1 = var_160; [L429] EXPR var_161_arg_0 & var_161_arg_1 [L429] SORT_1 var_161 = var_161_arg_0 & var_161_arg_1; [L430] EXPR var_161 & mask_SORT_1 [L430] var_161 = var_161 & mask_SORT_1 [L431] SORT_1 var_286_arg_0 = var_161; [L432] SORT_3 var_286_arg_1 = input_4; [L433] SORT_3 var_286_arg_2 = state_39; [L434] SORT_3 var_286 = var_286_arg_0 ? var_286_arg_1 : var_286_arg_2; [L435] SORT_1 var_287_arg_0 = input_7; [L436] SORT_3 var_287_arg_1 = var_268; [L437] SORT_3 var_287_arg_2 = var_286; [L438] SORT_3 var_287 = var_287_arg_0 ? var_287_arg_1 : var_287_arg_2; [L439] SORT_3 next_288_arg_1 = var_287; [L440] SORT_40 var_152_arg_0 = var_46; [L441] EXPR var_152_arg_0 & mask_SORT_40 [L441] var_152_arg_0 = var_152_arg_0 & mask_SORT_40 [L442] SORT_13 var_152 = var_152_arg_0; [L443] SORT_13 var_153_arg_0 = var_137; [L444] SORT_13 var_153_arg_1 = var_152; [L445] SORT_1 var_153 = var_153_arg_0 == var_153_arg_1; [L446] SORT_1 var_154_arg_0 = input_6; [L447] SORT_1 var_154_arg_1 = var_153; [L448] EXPR var_154_arg_0 & var_154_arg_1 [L448] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L449] EXPR var_154 & mask_SORT_1 [L449] var_154 = var_154 & mask_SORT_1 [L450] SORT_1 var_289_arg_0 = var_154; [L451] SORT_3 var_289_arg_1 = input_4; [L452] SORT_3 var_289_arg_2 = state_45; [L453] SORT_3 var_289 = var_289_arg_0 ? var_289_arg_1 : var_289_arg_2; [L454] SORT_1 var_290_arg_0 = input_7; [L455] SORT_3 var_290_arg_1 = var_268; [L456] SORT_3 var_290_arg_2 = var_289; [L457] SORT_3 var_290 = var_290_arg_0 ? var_290_arg_1 : var_290_arg_2; [L458] SORT_3 next_291_arg_1 = var_290; [L459] SORT_1 var_145_arg_0 = var_51; [L460] EXPR var_145_arg_0 & mask_SORT_1 [L460] var_145_arg_0 = var_145_arg_0 & mask_SORT_1 [L461] SORT_13 var_145 = var_145_arg_0; [L462] SORT_13 var_146_arg_0 = var_137; [L463] SORT_13 var_146_arg_1 = var_145; [L464] SORT_1 var_146 = var_146_arg_0 == var_146_arg_1; [L465] SORT_1 var_147_arg_0 = input_6; [L466] SORT_1 var_147_arg_1 = var_146; [L467] EXPR var_147_arg_0 & var_147_arg_1 [L467] SORT_1 var_147 = var_147_arg_0 & var_147_arg_1; [L468] EXPR var_147 & mask_SORT_1 [L468] var_147 = var_147 & mask_SORT_1 [L469] SORT_1 var_292_arg_0 = var_147; [L470] SORT_3 var_292_arg_1 = input_4; [L471] SORT_3 var_292_arg_2 = state_50; [L472] SORT_3 var_292 = var_292_arg_0 ? var_292_arg_1 : var_292_arg_2; [L473] SORT_1 var_293_arg_0 = input_7; [L474] SORT_3 var_293_arg_1 = var_268; [L475] SORT_3 var_293_arg_2 = var_292; [L476] SORT_3 var_293 = var_293_arg_0 ? var_293_arg_1 : var_293_arg_2; [L477] SORT_3 next_294_arg_1 = var_293; [L478] SORT_13 var_138_arg_0 = var_137; [L479] SORT_1 var_138 = var_138_arg_0 != 0; [L480] SORT_1 var_139_arg_0 = var_138; [L481] SORT_1 var_139 = ~var_139_arg_0; [L482] SORT_1 var_140_arg_0 = input_6; [L483] SORT_1 var_140_arg_1 = var_139; [L484] EXPR var_140_arg_0 & var_140_arg_1 [L484] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L485] EXPR var_140 & mask_SORT_1 [L485] var_140 = var_140 & mask_SORT_1 [L486] SORT_1 var_295_arg_0 = var_140; [L487] SORT_3 var_295_arg_1 = input_4; [L488] SORT_3 var_295_arg_2 = state_55; [L489] SORT_3 var_295 = var_295_arg_0 ? var_295_arg_1 : var_295_arg_2; [L490] SORT_1 var_296_arg_0 = input_7; [L491] SORT_3 var_296_arg_1 = var_268; [L492] SORT_3 var_296_arg_2 = var_295; [L493] SORT_3 var_296 = var_296_arg_0 ? var_296_arg_1 : var_296_arg_2; [L494] SORT_3 next_297_arg_1 = var_296; [L495] SORT_1 var_298_arg_0 = input_6; [L496] EXPR var_298_arg_0 & mask_SORT_1 [L496] var_298_arg_0 = var_298_arg_0 & mask_SORT_1 [L497] SORT_11 var_298 = var_298_arg_0; [L498] SORT_11 var_299_arg_0 = state_60; [L499] SORT_11 var_299_arg_1 = var_298; [L500] SORT_11 var_299 = var_299_arg_0 + var_299_arg_1; [L501] SORT_1 var_300_arg_0 = input_5; [L502] EXPR var_300_arg_0 & mask_SORT_1 [L502] var_300_arg_0 = var_300_arg_0 & mask_SORT_1 [L503] SORT_11 var_300 = var_300_arg_0; [L504] SORT_11 var_301_arg_0 = var_299; [L505] SORT_11 var_301_arg_1 = var_300; [L506] SORT_11 var_301 = var_301_arg_0 - var_301_arg_1; [L507] SORT_1 var_302_arg_0 = input_7; [L508] SORT_11 var_302_arg_1 = var_81; [L509] SORT_11 var_302_arg_2 = var_301; [L510] SORT_11 var_302 = var_302_arg_0 ? var_302_arg_1 : var_302_arg_2; [L511] EXPR var_302 & mask_SORT_11 [L511] var_302 = var_302 & mask_SORT_11 [L512] SORT_11 next_303_arg_1 = var_302; [L513] SORT_1 var_228_arg_0 = state_68; [L514] SORT_1 var_228 = ~var_228_arg_0; [L515] EXPR var_228 & mask_SORT_1 [L515] var_228 = var_228 & mask_SORT_1 [L516] SORT_1 var_224_arg_0 = input_8; [L517] SORT_1 var_224_arg_1 = input_6; [L518] EXPR var_224_arg_0 & var_224_arg_1 [L518] SORT_1 var_224 = var_224_arg_0 & var_224_arg_1; [L519] SORT_1 var_225_arg_0 = state_68; [L520] SORT_1 var_225_arg_1 = var_224; [L521] EXPR var_225_arg_0 | var_225_arg_1 [L521] SORT_1 var_225 = var_225_arg_0 | var_225_arg_1; [L522] SORT_1 var_304_arg_0 = var_228; [L523] SORT_1 var_304_arg_1 = var_225; [L524] SORT_1 var_304_arg_2 = state_68; [L525] SORT_1 var_304 = var_304_arg_0 ? var_304_arg_1 : var_304_arg_2; [L526] SORT_1 var_305_arg_0 = input_7; [L527] SORT_1 var_305_arg_1 = var_111; [L528] SORT_1 var_305_arg_2 = var_304; [L529] SORT_1 var_305 = var_305_arg_0 ? var_305_arg_1 : var_305_arg_2; [L530] SORT_1 next_306_arg_1 = var_305; [L531] SORT_1 var_236_arg_0 = var_85; [L532] SORT_1 var_236_arg_1 = state_69; [L533] EXPR var_236_arg_0 | var_236_arg_1 [L533] SORT_1 var_236 = var_236_arg_0 | var_236_arg_1; [L534] SORT_1 var_307_arg_0 = var_51; [L535] SORT_1 var_307_arg_1 = var_236; [L536] SORT_1 var_307_arg_2 = state_69; [L537] SORT_1 var_307 = var_307_arg_0 ? var_307_arg_1 : var_307_arg_2; [L538] SORT_1 var_308_arg_0 = input_7; [L539] SORT_1 var_308_arg_1 = var_111; [L540] SORT_1 var_308_arg_2 = var_307; [L541] SORT_1 var_308 = var_308_arg_0 ? var_308_arg_1 : var_308_arg_2; [L542] SORT_1 next_309_arg_1 = var_308; [L543] SORT_1 var_248_arg_0 = input_6; [L544] SORT_1 var_248_arg_1 = input_5; [L545] EXPR var_248_arg_0 | var_248_arg_1 [L545] SORT_1 var_248 = var_248_arg_0 | var_248_arg_1; [L546] SORT_1 var_249_arg_0 = var_248; [L547] SORT_1 var_249_arg_1 = input_7; [L548] EXPR var_249_arg_0 | var_249_arg_1 [L548] SORT_1 var_249 = var_249_arg_0 | var_249_arg_1; [L549] SORT_1 var_250_arg_0 = var_249; [L550] SORT_1 var_250_arg_1 = state_68; [L551] EXPR var_250_arg_0 | var_250_arg_1 [L551] SORT_1 var_250 = var_250_arg_0 | var_250_arg_1; [L552] EXPR var_250 & mask_SORT_1 [L552] var_250 = var_250 & mask_SORT_1 [L553] SORT_1 var_310_arg_0 = var_250; [L554] SORT_11 var_310_arg_1 = var_82; [L555] SORT_11 var_310_arg_2 = state_72; [L556] SORT_11 var_310 = var_310_arg_0 ? var_310_arg_1 : var_310_arg_2; [L557] SORT_1 var_311_arg_0 = input_7; [L558] SORT_11 var_311_arg_1 = var_81; [L559] SORT_11 var_311_arg_2 = var_310; [L560] SORT_11 var_311 = var_311_arg_0 ? var_311_arg_1 : var_311_arg_2; [L561] EXPR var_311 & mask_SORT_11 [L561] var_311 = var_311 & mask_SORT_11 [L562] SORT_11 next_312_arg_1 = var_311; [L563] SORT_1 var_233_arg_0 = var_224; [L564] SORT_1 var_233_arg_1 = var_228; [L565] EXPR var_233_arg_0 & var_233_arg_1 [L565] SORT_1 var_233 = var_233_arg_0 & var_233_arg_1; [L566] EXPR var_233 & mask_SORT_1 [L566] var_233 = var_233 & mask_SORT_1 [L567] SORT_1 var_313_arg_0 = var_233; [L568] SORT_3 var_313_arg_1 = input_4; [L569] SORT_3 var_313_arg_2 = state_87; [L570] SORT_3 var_313 = var_313_arg_0 ? var_313_arg_1 : var_313_arg_2; [L571] SORT_1 var_314_arg_0 = input_7; [L572] SORT_3 var_314_arg_1 = var_268; [L573] SORT_3 var_314_arg_2 = var_313; [L574] SORT_3 var_314 = var_314_arg_0 ? var_314_arg_1 : var_314_arg_2; [L575] EXPR var_314 & mask_SORT_3 [L575] var_314 = var_314 & mask_SORT_3 [L576] SORT_3 next_315_arg_1 = var_314; [L577] SORT_1 next_316_arg_1 = var_111; [L578] SORT_1 var_204_arg_0 = input_6; [L579] EXPR var_204_arg_0 & mask_SORT_1 [L579] var_204_arg_0 = var_204_arg_0 & mask_SORT_1 [L580] SORT_11 var_204 = var_204_arg_0; [L581] SORT_11 var_205_arg_0 = state_136; [L582] SORT_11 var_205_arg_1 = var_204; [L583] SORT_11 var_205 = var_205_arg_0 + var_205_arg_1; [L584] SORT_1 var_317_arg_0 = var_120; [L585] SORT_11 var_317_arg_1 = var_205; [L586] SORT_11 var_317_arg_2 = state_136; [L587] SORT_11 var_317 = var_317_arg_0 ? var_317_arg_1 : var_317_arg_2; [L588] SORT_1 var_318_arg_0 = input_7; [L589] SORT_11 var_318_arg_1 = var_81; [L590] SORT_11 var_318_arg_2 = var_317; [L591] SORT_11 var_318 = var_318_arg_0 ? var_318_arg_1 : var_318_arg_2; [L592] SORT_11 next_319_arg_1 = var_318; [L594] state_10 = next_270_arg_1 [L595] state_12 = next_273_arg_1 [L596] state_18 = next_276_arg_1 [L597] state_24 = next_279_arg_1 [L598] state_29 = next_282_arg_1 [L599] state_34 = next_285_arg_1 [L600] state_39 = next_288_arg_1 [L601] state_45 = next_291_arg_1 [L602] state_50 = next_294_arg_1 [L603] state_55 = next_297_arg_1 [L604] state_60 = next_303_arg_1 [L605] state_68 = next_306_arg_1 [L606] state_69 = next_309_arg_1 [L607] state_72 = next_312_arg_1 [L608] state_87 = next_315_arg_1 [L609] state_91 = next_316_arg_1 [L610] state_136 = next_319_arg_1 [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uchar() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_1 [L93] input_7 = input_7 & mask_SORT_1 [L94] input_8 = __VERIFIER_nondet_uchar() [L95] input_9 = __VERIFIER_nondet_uchar() [L96] input_109 = __VERIFIER_nondet_uchar() [L98] SORT_1 var_93_arg_0 = input_7; [L99] SORT_1 var_93_arg_1 = state_91; [L100] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L101] SORT_1 var_94_arg_0 = var_51; [L102] SORT_1 var_94 = ~var_94_arg_0; [L103] SORT_1 var_95_arg_0 = var_93; [L104] SORT_1 var_95_arg_1 = var_94; [L105] EXPR var_95_arg_0 | var_95_arg_1 [L105] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L106] EXPR var_95 & mask_SORT_1 [L106] var_95 = var_95 & mask_SORT_1 [L107] SORT_1 constr_96_arg_0 = var_95; VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=1, state_69=1, state_72=0, state_87=255, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L108] CALL assume_abort_if_not(constr_96_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L108] RET assume_abort_if_not(constr_96_arg_0) VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=1, state_69=1, state_72=0, state_87=255, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L109] SORT_13 var_65_arg_0 = var_64; [L110] EXPR var_65_arg_0 & mask_SORT_13 [L110] var_65_arg_0 = var_65_arg_0 & mask_SORT_13 [L111] SORT_11 var_65 = var_65_arg_0; [L112] SORT_11 var_66_arg_0 = state_60; [L113] SORT_11 var_66_arg_1 = var_65; [L114] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L115] SORT_1 var_97_arg_0 = var_66; [L116] SORT_1 var_97 = ~var_97_arg_0; [L117] SORT_1 var_98_arg_0 = input_6; [L118] SORT_1 var_98 = ~var_98_arg_0; [L119] SORT_1 var_99_arg_0 = var_97; [L120] SORT_1 var_99_arg_1 = var_98; [L121] EXPR var_99_arg_0 | var_99_arg_1 [L121] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L122] SORT_1 var_100_arg_0 = var_51; [L123] SORT_1 var_100 = ~var_100_arg_0; [L124] SORT_1 var_101_arg_0 = var_99; [L125] SORT_1 var_101_arg_1 = var_100; [L126] EXPR var_101_arg_0 | var_101_arg_1 [L126] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L127] EXPR var_101 & mask_SORT_1 [L127] var_101 = var_101 & mask_SORT_1 [L128] SORT_1 constr_102_arg_0 = var_101; VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=1, state_69=1, state_72=0, state_87=255, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L129] CALL assume_abort_if_not(constr_102_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L129] RET assume_abort_if_not(constr_102_arg_0) VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=1, state_69=1, state_72=0, state_87=255, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L130] SORT_11 var_61_arg_0 = state_60; [L131] SORT_1 var_61 = var_61_arg_0 != 0; [L132] SORT_1 var_62_arg_0 = var_61; [L133] SORT_1 var_62 = ~var_62_arg_0; [L134] SORT_1 var_103_arg_0 = var_62; [L135] SORT_1 var_103 = ~var_103_arg_0; [L136] SORT_1 var_104_arg_0 = input_5; [L137] SORT_1 var_104 = ~var_104_arg_0; [L138] SORT_1 var_105_arg_0 = var_103; [L139] SORT_1 var_105_arg_1 = var_104; [L140] EXPR var_105_arg_0 | var_105_arg_1 [L140] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L141] SORT_1 var_106_arg_0 = var_51; [L142] SORT_1 var_106 = ~var_106_arg_0; [L143] SORT_1 var_107_arg_0 = var_105; [L144] SORT_1 var_107_arg_1 = var_106; [L145] EXPR var_107_arg_0 | var_107_arg_1 [L145] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L146] EXPR var_107 & mask_SORT_1 [L146] var_107 = var_107 & mask_SORT_1 [L147] SORT_1 constr_108_arg_0 = var_107; VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=-255, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=1, state_69=1, state_72=0, state_87=255, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L148] CALL assume_abort_if_not(constr_108_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L148] RET assume_abort_if_not(constr_108_arg_0) VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=-255, input_6=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_40=3, state_10=0, state_12=9, state_136=0, state_18=0, state_24=255, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=255, state_60=0, state_68=1, state_69=1, state_72=0, state_87=255, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L150] SORT_1 var_112_arg_0 = state_91; [L151] SORT_1 var_112_arg_1 = var_111; [L152] SORT_1 var_112_arg_2 = var_51; [L153] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L154] SORT_1 var_70_arg_0 = state_69; [L155] SORT_1 var_70 = ~var_70_arg_0; [L156] SORT_1 var_71_arg_0 = state_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] EXPR var_71_arg_0 & var_71_arg_1 [L158] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L159] SORT_11 var_73_arg_0 = state_72; [L160] SORT_1 var_73 = var_73_arg_0 != 0; [L161] SORT_1 var_74_arg_0 = var_71; [L162] SORT_1 var_74_arg_1 = var_73; [L163] EXPR var_74_arg_0 & var_74_arg_1 [L163] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L164] SORT_1 var_75_arg_0 = state_68; [L165] SORT_1 var_75 = ~var_75_arg_0; [L166] SORT_1 var_76_arg_0 = input_6; [L167] SORT_1 var_76_arg_1 = var_75; [L168] EXPR var_76_arg_0 & var_76_arg_1 [L168] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L169] SORT_1 var_77_arg_0 = var_76; [L170] EXPR var_77_arg_0 & mask_SORT_1 [L170] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L171] SORT_11 var_77 = var_77_arg_0; [L172] SORT_11 var_78_arg_0 = state_72; [L173] SORT_11 var_78_arg_1 = var_77; [L174] SORT_11 var_78 = var_78_arg_0 + var_78_arg_1; [L175] SORT_1 var_79_arg_0 = input_5; [L176] EXPR var_79_arg_0 & mask_SORT_1 [L176] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L177] SORT_11 var_79 = var_79_arg_0; [L178] SORT_11 var_80_arg_0 = var_78; [L179] SORT_11 var_80_arg_1 = var_79; [L180] SORT_11 var_80 = var_80_arg_0 - var_80_arg_1; [L181] SORT_1 var_82_arg_0 = input_7; [L182] SORT_11 var_82_arg_1 = var_81; [L183] SORT_11 var_82_arg_2 = var_80; [L184] SORT_11 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L185] EXPR var_82 & mask_SORT_11 [L185] var_82 = var_82 & mask_SORT_11 [L186] SORT_11 var_83_arg_0 = var_82; [L187] SORT_1 var_83 = var_83_arg_0 != 0; [L188] SORT_1 var_84_arg_0 = var_83; [L189] SORT_1 var_84 = ~var_84_arg_0; [L190] SORT_1 var_85_arg_0 = var_74; [L191] SORT_1 var_85_arg_1 = var_84; [L192] EXPR var_85_arg_0 & var_85_arg_1 [L192] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L193] SORT_1 var_86_arg_0 = var_85; [L194] SORT_1 var_86 = ~var_86_arg_0; [L195] SORT_11 var_14_arg_0 = state_12; [L196] SORT_13 var_14 = var_14_arg_0 >> 0; [L197] EXPR var_14 & mask_SORT_13 [L197] var_14 = var_14 & mask_SORT_13 [L198] SORT_13 var_56_arg_0 = var_14; [L199] SORT_1 var_56 = var_56_arg_0 != 0; [L200] SORT_1 var_57_arg_0 = var_56; [L201] SORT_1 var_57 = ~var_57_arg_0; [L202] EXPR var_57 & mask_SORT_1 [L202] var_57 = var_57 & mask_SORT_1 [L203] SORT_1 var_52_arg_0 = var_51; [L204] EXPR var_52_arg_0 & mask_SORT_1 [L204] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L205] SORT_13 var_52 = var_52_arg_0; [L206] SORT_13 var_53_arg_0 = var_14; [L207] SORT_13 var_53_arg_1 = var_52; [L208] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L209] SORT_40 var_47_arg_0 = var_46; [L210] EXPR var_47_arg_0 & mask_SORT_40 [L210] var_47_arg_0 = var_47_arg_0 & mask_SORT_40 [L211] SORT_13 var_47 = var_47_arg_0; [L212] SORT_13 var_48_arg_0 = var_14; [L213] SORT_13 var_48_arg_1 = var_47; [L214] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L215] SORT_40 var_42_arg_0 = var_41; [L216] EXPR var_42_arg_0 & mask_SORT_40 [L216] var_42_arg_0 = var_42_arg_0 & mask_SORT_40 [L217] SORT_13 var_42 = var_42_arg_0; [L218] SORT_13 var_43_arg_0 = var_14; [L219] SORT_13 var_43_arg_1 = var_42; [L220] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L221] SORT_19 var_36_arg_0 = var_35; [L222] EXPR var_36_arg_0 & mask_SORT_19 [L222] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L223] SORT_13 var_36 = var_36_arg_0; [L224] SORT_13 var_37_arg_0 = var_14; [L225] SORT_13 var_37_arg_1 = var_36; [L226] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L227] SORT_19 var_31_arg_0 = var_30; [L228] EXPR var_31_arg_0 & mask_SORT_19 [L228] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L229] SORT_13 var_31 = var_31_arg_0; [L230] SORT_13 var_32_arg_0 = var_14; [L231] SORT_13 var_32_arg_1 = var_31; [L232] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L233] SORT_19 var_26_arg_0 = var_25; [L234] EXPR var_26_arg_0 & mask_SORT_19 [L234] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L235] SORT_13 var_26 = var_26_arg_0; [L236] SORT_13 var_27_arg_0 = var_14; [L237] SORT_13 var_27_arg_1 = var_26; [L238] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L239] SORT_19 var_21_arg_0 = var_20; [L240] EXPR var_21_arg_0 & mask_SORT_19 [L240] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L241] SORT_13 var_21 = var_21_arg_0; [L242] SORT_13 var_22_arg_0 = var_14; [L243] SORT_13 var_22_arg_1 = var_21; [L244] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L245] SORT_13 var_16_arg_0 = var_14; [L246] SORT_13 var_16_arg_1 = var_15; [L247] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L248] SORT_1 var_17_arg_0 = var_16; [L249] SORT_3 var_17_arg_1 = state_10; [L250] SORT_3 var_17_arg_2 = input_9; [L251] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L252] SORT_1 var_23_arg_0 = var_22; [L253] SORT_3 var_23_arg_1 = state_18; [L254] SORT_3 var_23_arg_2 = var_17; [L255] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L256] SORT_1 var_28_arg_0 = var_27; [L257] SORT_3 var_28_arg_1 = state_24; [L258] SORT_3 var_28_arg_2 = var_23; [L259] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L260] SORT_1 var_33_arg_0 = var_32; [L261] SORT_3 var_33_arg_1 = state_29; [L262] SORT_3 var_33_arg_2 = var_28; [L263] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L264] SORT_1 var_38_arg_0 = var_37; [L265] SORT_3 var_38_arg_1 = state_34; [L266] SORT_3 var_38_arg_2 = var_33; [L267] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L268] SORT_1 var_44_arg_0 = var_43; [L269] SORT_3 var_44_arg_1 = state_39; [L270] SORT_3 var_44_arg_2 = var_38; [L271] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L272] SORT_1 var_49_arg_0 = var_48; [L273] SORT_3 var_49_arg_1 = state_45; [L274] SORT_3 var_49_arg_2 = var_44; [L275] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L276] SORT_1 var_54_arg_0 = var_53; [L277] SORT_3 var_54_arg_1 = state_50; [L278] SORT_3 var_54_arg_2 = var_49; [L279] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L280] SORT_1 var_58_arg_0 = var_57; [L281] SORT_3 var_58_arg_1 = state_55; [L282] SORT_3 var_58_arg_2 = var_54; [L283] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L284] EXPR var_58 & mask_SORT_3 [L284] var_58 = var_58 & mask_SORT_3 [L285] SORT_3 var_88_arg_0 = state_87; [L286] SORT_3 var_88_arg_1 = var_58; [L287] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L288] SORT_1 var_89_arg_0 = var_86; [L289] SORT_1 var_89_arg_1 = var_88; [L290] EXPR var_89_arg_0 | var_89_arg_1 [L290] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L291] SORT_1 var_110_arg_0 = state_91; [L292] SORT_1 var_110_arg_1 = input_109; [L293] SORT_1 var_110_arg_2 = var_89; [L294] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L295] SORT_1 var_113_arg_0 = var_110; [L296] SORT_1 var_113 = ~var_113_arg_0; [L297] SORT_1 var_114_arg_0 = var_112; [L298] SORT_1 var_114_arg_1 = var_113; [L299] EXPR var_114_arg_0 & var_114_arg_1 [L299] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L300] EXPR var_114 & mask_SORT_1 [L300] var_114 = var_114 & mask_SORT_1 [L301] SORT_1 bad_115_arg_0 = var_114; [L302] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:48:15,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/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_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:18,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:18,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:48:18,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:18,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:18,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:18,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:18,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:18,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:18,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:18,690 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:18,690 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:18,691 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:18,691 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:18,692 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:18,692 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:18,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:18,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:18,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:18,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:18,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:18,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:18,697 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:48:18,698 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:48:18,698 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:18,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:48:18,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:18,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:18,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:18,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:48:18,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:18,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:18,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:18,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:18,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:18,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:18,703 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:48:18,703 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:48:18,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:18,704 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:18,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-11-09 05:48:19,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:19,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:19,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:19,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:19,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:19,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c Unable to find full path for "g++" [2024-11-09 05:48:21,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:21,671 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:21,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-09 05:48:21,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data/6fb1d0da5/2a0cdcb76b754a7eb049eda2824570e5/FLAG58f9399ea [2024-11-09 05:48:21,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/data/6fb1d0da5/2a0cdcb76b754a7eb049eda2824570e5 [2024-11-09 05:48:21,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:21,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:21,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:21,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:21,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:21,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:21" (1/1) ... [2024-11-09 05:48:21,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0b0659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:21, skipping insertion in model container [2024-11-09 05:48:21,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:21" (1/1) ... [2024-11-09 05:48:22,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:22,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-09 05:48:22,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:22,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:22,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-09 05:48:22,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:22,840 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:22,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22 WrapperNode [2024-11-09 05:48:22,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:22,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:22,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:22,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:22,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:22,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:22,965 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 640 [2024-11-09 05:48:22,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:22,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:22,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:22,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:22,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:22,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:22,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:22,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:23,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:23,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:23,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:23,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:23,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:23,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:23,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:23,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:23,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (1/1) ... [2024-11-09 05:48:23,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:23,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:23,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:23,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:48:23,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:48:23,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:48:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:48:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:23,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:23,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:24,128 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:24,129 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:24,144 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:24,146 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:48:24,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:24 BoogieIcfgContainer [2024-11-09 05:48:24,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:24,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:24,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:24,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:24,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:21" (1/3) ... [2024-11-09 05:48:24,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad14f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:24, skipping insertion in model container [2024-11-09 05:48:24,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:22" (2/3) ... [2024-11-09 05:48:24,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad14f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:24, skipping insertion in model container [2024-11-09 05:48:24,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:24" (3/3) ... [2024-11-09 05:48:24,158 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-09 05:48:24,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:24,185 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:48:24,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:24,278 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1bf2b0fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:24,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:48:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:48:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:48:24,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:24,296 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:24,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:24,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:24,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1169761190, now seen corresponding path program 1 times [2024-11-09 05:48:24,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:48:24,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167598698] [2024-11-09 05:48:24,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:24,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:48:24,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:48:24,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:48:24,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:48:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:24,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:48:24,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:48:24,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:24,811 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:48:24,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167598698] [2024-11-09 05:48:24,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167598698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:24,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:24,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:24,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277169203] [2024-11-09 05:48:24,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:24,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:48:24,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:48:24,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:48:24,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:48:24,858 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:48:24,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:24,883 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2024-11-09 05:48:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:48:24,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-11-09 05:48:24,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:24,896 INFO L225 Difference]: With dead ends: 36 [2024-11-09 05:48:24,896 INFO L226 Difference]: Without dead ends: 17 [2024-11-09 05:48:24,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:48:24,908 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:24,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:24,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-09 05:48:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 05:48:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:48:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-09 05:48:24,976 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 23 [2024-11-09 05:48:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:24,977 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 05:48:24,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:48:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-09 05:48:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:48:24,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:24,981 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:24,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:48:25,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:48:25,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:25,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:25,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1446485140, now seen corresponding path program 1 times [2024-11-09 05:48:25,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:48:25,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288131255] [2024-11-09 05:48:25,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:25,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:48:25,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:48:25,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:48:25,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:48:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:25,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:48:25,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:25,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:48:25,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:25,798 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:48:25,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288131255] [2024-11-09 05:48:25,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288131255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:25,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:25,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:48:25,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921489469] [2024-11-09 05:48:25,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:25,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:25,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:48:25,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:25,807 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:48:25,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:25,922 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-09 05:48:25,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:25,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-09 05:48:25,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:25,925 INFO L225 Difference]: With dead ends: 27 [2024-11-09 05:48:25,926 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 05:48:25,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:25,929 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:25,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:25,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 05:48:25,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 05:48:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 05:48:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-09 05:48:25,945 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-09 05:48:25,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:25,948 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-09 05:48:25,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:48:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-09 05:48:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 05:48:25,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:25,951 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:25,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 05:48:26,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:48:26,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:26,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,155 INFO L85 PathProgramCache]: Analyzing trace with hash 636552131, now seen corresponding path program 1 times [2024-11-09 05:48:26,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:48:26,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495874930] [2024-11-09 05:48:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:48:26,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:48:26,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:48:26,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 05:48:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:26,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 05:48:26,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 05:48:27,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:27,816 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:48:27,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495874930] [2024-11-09 05:48:27,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495874930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:27,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1051689677] [2024-11-09 05:48:27,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:27,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:48:27,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:48:27,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:48:27,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 05:48:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:28,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 05:48:28,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 05:48:29,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:29,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1051689677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:29,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726375493] [2024-11-09 05:48:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:29,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:29,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:29,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:29,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:48:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:29,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 05:48:29,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 05:48:30,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:30,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726375493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:30,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:30,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 10 [2024-11-09 05:48:30,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283034954] [2024-11-09 05:48:30,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:30,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:48:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:48:30,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:48:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:48:30,614 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:48:31,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:31,108 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-09 05:48:31,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:48:31,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 44 [2024-11-09 05:48:31,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:31,110 INFO L225 Difference]: With dead ends: 36 [2024-11-09 05:48:31,111 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 05:48:31,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:48:31,112 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:31,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 76 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:48:31,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 05:48:31,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 05:48:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:48:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-09 05:48:31,123 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-09 05:48:31,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:31,124 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-09 05:48:31,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:48:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-09 05:48:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:48:31,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:31,126 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-09 05:48:31,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:31,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 05:48:31,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:31,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:31,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:31,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash 343621620, now seen corresponding path program 2 times [2024-11-09 05:48:31,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:48:31,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327388822] [2024-11-09 05:48:31,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:48:31,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:48:31,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:48:31,734 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:48:31,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 05:48:32,767 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:48:32,768 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:48:32,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-09 05:48:32,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 05:48:37,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:41,156 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_110_arg_1~0#1_20| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_111~0#1|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_110_arg_1~0#1_20|))))))))))))))) (let ((.cse2 (and (forall ((|v_ULTIMATE.start_main_~var_74_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_20| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_20|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_20|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_20|))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_18|)))))))))) .cse5)) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_87~0#1|))) (let ((.cse1 (let ((.cse9 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|)))))) .cse3))) (and (or (and .cse5 (forall ((|v_ULTIMATE.start_main_~var_74_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_20| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_18|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_20|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_20|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_20|))))))))))))))))))))))) (not .cse9)) (or .cse2 .cse9)))) (.cse7 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_12~0#1|))))))))) (and (or (let ((.cse0 (= ((_ extract 7 0) (bvand .cse6 (_ bv254 32))) (_ bv0 8)))) (and (or .cse0 .cse1) (or (not .cse0) (and (or .cse2 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_17| (_ BitVec 8))) (= .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_17|))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_17| (_ BitVec 8))) (not (= .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_17|))))))))) .cse5))))) .cse7) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 (_ bv255 32)))) .cse1 (not .cse7))))))) is different from false [2024-11-09 05:48:41,406 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:48:41,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327388822] [2024-11-09 05:48:41,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327388822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:41,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1424568345] [2024-11-09 05:48:41,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:48:41,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:48:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:48:41,411 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:48:41,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 05:48:42,775 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:48:42,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:48:42,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 05:48:42,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 12 proven. 55 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-09 05:48:53,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:49:10,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1424568345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:49:10,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573879962] [2024-11-09 05:49:10,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:49:10,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:10,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:10,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:10,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:49:10,873 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:49:10,873 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:49:10,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-09 05:49:10,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 05:49:38,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:50:14,433 WARN L286 SmtUtils]: Spent 17.27s on a formula simplification. DAG size of input: 205 DAG size of output: 202 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:50:25,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573879962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:50:25,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:50:25,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 14] total 27 [2024-11-09 05:50:25,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283706581] [2024-11-09 05:50:25,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:50:25,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:50:25,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:50:25,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:50:25,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=762, Unknown=8, NotChecked=56, Total=930 [2024-11-09 05:50:25,724 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 27 states, 20 states have (on average 2.7) internal successors, (54), 27 states have internal predecessors, (54), 15 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) [2024-11-09 05:50:48,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:59,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:11,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:31,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:31,381 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-11-09 05:52:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:52:31,382 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 20 states have (on average 2.7) internal successors, (54), 27 states have internal predecessors, (54), 15 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) Word has length 65 [2024-11-09 05:52:31,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:31,384 INFO L225 Difference]: With dead ends: 46 [2024-11-09 05:52:31,384 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 05:52:31,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 166.3s TimeCoverageRelationStatistics Valid=297, Invalid=1661, Unknown=26, NotChecked=86, Total=2070 [2024-11-09 05:52:31,386 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 30 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:31,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 238 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 426 Invalid, 3 Unknown, 0 Unchecked, 21.6s Time] [2024-11-09 05:52:31,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 05:52:31,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-09 05:52:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:52:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2024-11-09 05:52:31,409 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 65 [2024-11-09 05:52:31,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:31,410 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-09 05:52:31,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 20 states have (on average 2.7) internal successors, (54), 27 states have internal predecessors, (54), 15 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) [2024-11-09 05:52:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-09 05:52:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 05:52:31,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:31,414 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-11-09 05:52:31,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:31,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:31,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 05:52:32,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:52:32,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:32,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1752744861, now seen corresponding path program 3 times [2024-11-09 05:52:32,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:32,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782568020] [2024-11-09 05:52:32,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:52:32,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:52:32,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:32,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:52:32,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/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 (10)] Waiting until timeout for monitored process [2024-11-09 05:52:33,387 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 05:52:33,387 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:52:33,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 219 conjuncts are in the unsatisfiable core [2024-11-09 05:52:33,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:55:23,146 WARN L286 SmtUtils]: Spent 11.66s on a formula simplification. DAG size of input: 508 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:55:48,257 WARN L286 SmtUtils]: Spent 9.86s on a formula simplification that was a NOOP. DAG size: 526 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:56:13,288 WARN L286 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 519 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:57:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-09 05:57:24,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:59:04,735 WARN L286 SmtUtils]: Spent 41.91s on a formula simplification. DAG size of input: 318 DAG size of output: 309 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:59:20,920 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:59:20,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782568020] [2024-11-09 05:59:20,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782568020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:59:20,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [281126104] [2024-11-09 05:59:20,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:59:20,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:59:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:59:20,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:59:20,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b309c29-8872-47fb-a297-cdc10d92d939/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 05:59:22,966 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 05:59:22,966 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:59:23,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 251 conjuncts are in the unsatisfiable core [2024-11-09 05:59:23,087 INFO L278 TraceCheckSpWp]: Computing forward predicates...