./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.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_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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_116175b6-389c-4566-aff7-3c3185f389c8/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 dff8505a682fe5b701e0277f52de3e4d89228cbe841658b6b3c68063cc6794f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:50:48,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:50:49,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:50:49,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:50:49,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:50:49,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:50:49,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:50:49,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:50:49,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:50:49,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:50:49,066 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:50:49,068 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:50:49,069 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:50:49,069 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:50:49,070 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:50:49,074 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:50:49,074 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:50:49,075 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:50:49,075 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:50:49,076 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:50:49,076 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:50:49,077 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:50:49,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:50:49,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:50:49,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:50:49,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:50:49,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:50:49,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:50:49,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:50:49,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:50:49,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:50:49,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:50:49,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:50:49,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:50:49,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:50:49,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:50:49,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:50:49,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:50:49,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:50:49,086 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:50:49,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:50:49,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:50:49,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:50:49,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:50:49,088 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_116175b6-389c-4566-aff7-3c3185f389c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dff8505a682fe5b701e0277f52de3e4d89228cbe841658b6b3c68063cc6794f8 [2024-11-09 05:50:49,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:50:49,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:50:49,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:50:49,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:50:49,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:50:49,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:50:51,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:50:52,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:50:52,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c [2024-11-09 05:50:52,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data/26f8c4f4d/26678063f8f94960b9f9a3d1cb4171ad/FLAGe7258fb0a [2024-11-09 05:50:52,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data/26f8c4f4d/26678063f8f94960b9f9a3d1cb4171ad [2024-11-09 05:50:52,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:50:52,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:50:52,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:50:52,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:50:52,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:50:52,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:50:52" (1/1) ... [2024-11-09 05:50:52,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d8e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:52, skipping insertion in model container [2024-11-09 05:50:52,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:50:52" (1/1) ... [2024-11-09 05:50:52,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:50:52,549 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_116175b6-389c-4566-aff7-3c3185f389c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c[1174,1187] [2024-11-09 05:50:53,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:50:53,429 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:50:53,445 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_116175b6-389c-4566-aff7-3c3185f389c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c[1174,1187] [2024-11-09 05:50:53,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:50:53,852 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:50:53,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53 WrapperNode [2024-11-09 05:50:53,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:50:53,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:50:53,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:50:53,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:50:53,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:54,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:56,390 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13006 [2024-11-09 05:50:56,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:50:56,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:50:56,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:50:56,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:50:56,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:56,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:56,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:56,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:57,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:57,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:58,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:58,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:58,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:50:58,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:50:58,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:50:58,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:50:58,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (1/1) ... [2024-11-09 05:50:58,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:50:58,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:50:58,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:50:58,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:50:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:50:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:50:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:50:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:50:59,821 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:50:59,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:51:28,337 INFO L? ?]: Removed 7405 outVars from TransFormulas that were not future-live. [2024-11-09 05:51:28,337 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:52:01,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:52:01,802 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:52:01,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:01 BoogieIcfgContainer [2024-11-09 05:52:01,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:52:01,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:52:01,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:52:01,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:52:01,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:50:52" (1/3) ... [2024-11-09 05:52:01,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8980e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:01, skipping insertion in model container [2024-11-09 05:52:01,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:50:53" (2/3) ... [2024-11-09 05:52:01,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8980e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:01, skipping insertion in model container [2024-11-09 05:52:01,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:01" (3/3) ... [2024-11-09 05:52:01,815 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.8.prop1-func-interl.c [2024-11-09 05:52:01,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:52:01,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:52:01,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:52:01,919 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;@698eee02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:52:01,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:52:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:52:01,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:01,941 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:52:01,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:01,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:01,949 INFO L85 PathProgramCache]: Analyzing trace with hash 665387930, now seen corresponding path program 1 times [2024-11-09 05:52:01,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:01,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046256884] [2024-11-09 05:52:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:52:03,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:52:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:52:04,672 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:52:04,675 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:52:04,677 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:52:04,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:52:04,686 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:52:04,759 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:52:04,796 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:52:04,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:52:04 BoogieIcfgContainer [2024-11-09 05:52:04,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:52:04,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:52:04,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:52:04,809 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:52:04,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:01" (3/4) ... [2024-11-09 05:52:04,813 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:52:04,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:52:04,816 INFO L158 Benchmark]: Toolchain (without parser) took 72728.65ms. Allocated memory was 138.4MB in the beginning and 11.4GB in the end (delta: 11.3GB). Free memory was 96.4MB in the beginning and 10.1GB in the end (delta: -10.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-09 05:52:04,817 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:52:04,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1764.59ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 96.0MB in the beginning and 76.7MB in the end (delta: 19.3MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2024-11-09 05:52:04,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 2536.56ms. Allocated memory was 167.8MB in the beginning and 524.3MB in the end (delta: 356.5MB). Free memory was 76.7MB in the beginning and 261.4MB in the end (delta: -184.7MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. [2024-11-09 05:52:04,821 INFO L158 Benchmark]: Boogie Preprocessor took 2108.78ms. Allocated memory was 524.3MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 261.4MB in the beginning and 1.2GB in the end (delta: -942.7MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2024-11-09 05:52:04,824 INFO L158 Benchmark]: RCFGBuilder took 63300.66ms. Allocated memory was 1.6GB in the beginning and 11.4GB in the end (delta: 9.8GB). Free memory was 1.2GB in the beginning and 10.4GB in the end (delta: -9.2GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-11-09 05:52:04,825 INFO L158 Benchmark]: TraceAbstraction took 2999.73ms. Allocated memory is still 11.4GB. Free memory was 10.4GB in the beginning and 10.1GB in the end (delta: 282.1MB). Peak memory consumption was 283.1MB. Max. memory is 16.1GB. [2024-11-09 05:52:04,826 INFO L158 Benchmark]: Witness Printer took 8.35ms. Allocated memory is still 11.4GB. Free memory is still 10.1GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:52:04,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1764.59ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 96.0MB in the beginning and 76.7MB in the end (delta: 19.3MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2536.56ms. Allocated memory was 167.8MB in the beginning and 524.3MB in the end (delta: 356.5MB). Free memory was 76.7MB in the beginning and 261.4MB in the end (delta: -184.7MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2108.78ms. Allocated memory was 524.3MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 261.4MB in the beginning and 1.2GB in the end (delta: -942.7MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * RCFGBuilder took 63300.66ms. Allocated memory was 1.6GB in the beginning and 11.4GB in the end (delta: 9.8GB). Free memory was 1.2GB in the beginning and 10.4GB in the end (delta: -9.2GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. * TraceAbstraction took 2999.73ms. Allocated memory is still 11.4GB. Free memory was 10.4GB in the beginning and 10.1GB in the end (delta: 282.1MB). Peak memory consumption was 283.1MB. Max. memory is 16.1GB. * Witness Printer took 8.35ms. Allocated memory is still 11.4GB. Free memory is still 10.1GB. 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 bitwiseAnd at line 316. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_133 = 1; [L41] const SORT_4 var_134 = 0; [L42] const SORT_2 var_148 = 0; [L43] const SORT_2 var_152 = 1; [L44] const SORT_2 var_194 = 255; [L45] const SORT_2 var_196 = 4; [L46] const SORT_2 var_198 = 3; [L47] const SORT_2 var_200 = 2; [L48] const SORT_3 var_235 = 0; [L49] const SORT_4 var_502 = 5; [L50] const SORT_2 var_517 = 5; [L52] SORT_1 input_147; [L53] SORT_1 input_149; [L54] SORT_1 input_150; [L55] SORT_1 input_151; [L56] SORT_1 input_158; [L57] SORT_1 input_159; [L58] SORT_1 input_160; [L59] SORT_1 input_161; [L60] SORT_1 input_167; [L61] SORT_1 input_168; [L62] SORT_1 input_169; [L63] SORT_1 input_170; [L64] SORT_1 input_176; [L65] SORT_1 input_177; [L66] SORT_1 input_178; [L67] SORT_1 input_179; [L68] SORT_1 input_185; [L69] SORT_1 input_186; [L70] SORT_1 input_187; [L71] SORT_1 input_188; [L72] SORT_1 input_195; [L73] SORT_1 input_197; [L74] SORT_1 input_199; [L75] SORT_1 input_201; [L76] SORT_1 input_202; [L77] SORT_1 input_211; [L78] SORT_1 input_212; [L79] SORT_1 input_213; [L80] SORT_1 input_214; [L81] SORT_1 input_215; [L82] SORT_1 input_216; [L83] SORT_1 input_217; [L84] SORT_1 input_218; [L85] SORT_1 input_219; [L86] SORT_1 input_220; [L87] SORT_1 input_234; [L88] SORT_1 input_242; [L89] SORT_1 input_249; [L90] SORT_1 input_256; [L91] SORT_1 input_263; [L92] SORT_1 input_271; [L93] SORT_1 input_273; [L94] SORT_1 input_277; [L95] SORT_1 input_279; [L96] SORT_1 input_288; [L97] SORT_1 input_302; [L98] SORT_1 input_313; [L99] SORT_1 input_315; [L100] SORT_1 input_319; [L101] SORT_1 input_321; [L102] SORT_1 input_330; [L103] SORT_1 input_344; [L104] SORT_1 input_355; [L105] SORT_1 input_357; [L106] SORT_1 input_361; [L107] SORT_1 input_363; [L108] SORT_1 input_372; [L109] SORT_1 input_386; [L110] SORT_1 input_397; [L111] SORT_1 input_399; [L112] SORT_1 input_403; [L113] SORT_1 input_405; [L114] SORT_1 input_414; [L115] SORT_1 input_428; [L116] SORT_1 input_439; [L117] SORT_1 input_441; [L118] SORT_1 input_445; [L119] SORT_1 input_447; [L120] SORT_1 input_456; [L121] SORT_1 input_470; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L123] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L124] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L125] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L126] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L127] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L128] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L129] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L130] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L131] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L132] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L133] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L134] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L158] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L159] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L160] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L161] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L162] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L163] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L164] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L165] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L166] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L167] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L168] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L169] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L170] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L171] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L172] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L173] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L174] SORT_1 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L175] SORT_1 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L176] SORT_1 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L177] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L178] SORT_1 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L179] SORT_1 state_119 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L180] SORT_1 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L181] SORT_1 state_123 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L182] SORT_1 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L183] SORT_1 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L184] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L185] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L187] SORT_2 init_7_arg_1 = var_5; [L188] state_6 = init_7_arg_1 [L189] SORT_2 init_9_arg_1 = var_5; [L190] state_8 = init_9_arg_1 [L191] SORT_2 init_11_arg_1 = var_5; [L192] state_10 = init_11_arg_1 [L193] SORT_2 init_13_arg_1 = var_5; [L194] state_12 = init_13_arg_1 [L195] SORT_2 init_15_arg_1 = var_5; [L196] state_14 = init_15_arg_1 [L197] SORT_2 init_17_arg_1 = var_5; [L198] state_16 = init_17_arg_1 [L199] SORT_2 init_19_arg_1 = var_5; [L200] state_18 = init_19_arg_1 [L201] SORT_2 init_21_arg_1 = var_5; [L202] state_20 = init_21_arg_1 [L203] SORT_2 init_23_arg_1 = var_5; [L204] state_22 = init_23_arg_1 [L205] SORT_2 init_25_arg_1 = var_5; [L206] state_24 = init_25_arg_1 [L207] SORT_2 init_27_arg_1 = var_5; [L208] state_26 = init_27_arg_1 [L209] SORT_2 init_29_arg_1 = var_5; [L210] state_28 = init_29_arg_1 [L211] SORT_1 init_32_arg_1 = var_30; [L212] state_31 = init_32_arg_1 [L213] SORT_1 init_34_arg_1 = var_30; [L214] state_33 = init_34_arg_1 [L215] SORT_1 init_36_arg_1 = var_30; [L216] state_35 = init_36_arg_1 [L217] SORT_1 init_38_arg_1 = var_30; [L218] state_37 = init_38_arg_1 [L219] SORT_1 init_40_arg_1 = var_30; [L220] state_39 = init_40_arg_1 [L221] SORT_1 init_42_arg_1 = var_30; [L222] state_41 = init_42_arg_1 [L223] SORT_1 init_44_arg_1 = var_30; [L224] state_43 = init_44_arg_1 [L225] SORT_1 init_46_arg_1 = var_30; [L226] state_45 = init_46_arg_1 [L227] SORT_1 init_48_arg_1 = var_30; [L228] state_47 = init_48_arg_1 [L229] SORT_1 init_50_arg_1 = var_30; [L230] state_49 = init_50_arg_1 [L231] SORT_1 init_52_arg_1 = var_30; [L232] state_51 = init_52_arg_1 [L233] SORT_1 init_54_arg_1 = var_30; [L234] state_53 = init_54_arg_1 [L235] SORT_1 init_56_arg_1 = var_30; [L236] state_55 = init_56_arg_1 [L237] SORT_1 init_58_arg_1 = var_30; [L238] state_57 = init_58_arg_1 [L239] SORT_1 init_60_arg_1 = var_30; [L240] state_59 = init_60_arg_1 [L241] SORT_1 init_62_arg_1 = var_30; [L242] state_61 = init_62_arg_1 [L243] SORT_1 init_64_arg_1 = var_30; [L244] state_63 = init_64_arg_1 [L245] SORT_1 init_66_arg_1 = var_30; [L246] state_65 = init_66_arg_1 [L247] SORT_1 init_68_arg_1 = var_30; [L248] state_67 = init_68_arg_1 [L249] SORT_1 init_70_arg_1 = var_30; [L250] state_69 = init_70_arg_1 [L251] SORT_1 init_72_arg_1 = var_30; [L252] state_71 = init_72_arg_1 [L253] SORT_1 init_74_arg_1 = var_30; [L254] state_73 = init_74_arg_1 [L255] SORT_1 init_76_arg_1 = var_30; [L256] state_75 = init_76_arg_1 [L257] SORT_1 init_78_arg_1 = var_30; [L258] state_77 = init_78_arg_1 [L259] SORT_1 init_80_arg_1 = var_30; [L260] state_79 = init_80_arg_1 [L261] SORT_1 init_82_arg_1 = var_30; [L262] state_81 = init_82_arg_1 [L263] SORT_1 init_84_arg_1 = var_30; [L264] state_83 = init_84_arg_1 [L265] SORT_1 init_86_arg_1 = var_30; [L266] state_85 = init_86_arg_1 [L267] SORT_1 init_88_arg_1 = var_30; [L268] state_87 = init_88_arg_1 [L269] SORT_1 init_90_arg_1 = var_30; [L270] state_89 = init_90_arg_1 [L271] SORT_1 init_92_arg_1 = var_30; [L272] state_91 = init_92_arg_1 [L273] SORT_1 init_94_arg_1 = var_30; [L274] state_93 = init_94_arg_1 [L275] SORT_1 init_96_arg_1 = var_30; [L276] state_95 = init_96_arg_1 [L277] SORT_1 init_98_arg_1 = var_30; [L278] state_97 = init_98_arg_1 [L279] SORT_1 init_100_arg_1 = var_30; [L280] state_99 = init_100_arg_1 [L281] SORT_1 init_102_arg_1 = var_30; [L282] state_101 = init_102_arg_1 [L283] SORT_1 init_104_arg_1 = var_30; [L284] state_103 = init_104_arg_1 [L285] SORT_1 init_106_arg_1 = var_30; [L286] state_105 = init_106_arg_1 [L287] SORT_1 init_108_arg_1 = var_30; [L288] state_107 = init_108_arg_1 [L289] SORT_1 init_110_arg_1 = var_30; [L290] state_109 = init_110_arg_1 [L291] SORT_1 init_112_arg_1 = var_30; [L292] state_111 = init_112_arg_1 [L293] SORT_1 init_114_arg_1 = var_30; [L294] state_113 = init_114_arg_1 [L295] SORT_1 init_116_arg_1 = var_30; [L296] state_115 = init_116_arg_1 [L297] SORT_1 init_118_arg_1 = var_30; [L298] state_117 = init_118_arg_1 [L299] SORT_1 init_120_arg_1 = var_30; [L300] state_119 = init_120_arg_1 [L301] SORT_1 init_122_arg_1 = var_30; [L302] state_121 = init_122_arg_1 [L303] SORT_1 init_124_arg_1 = var_30; [L304] state_123 = init_124_arg_1 [L305] SORT_1 init_126_arg_1 = var_30; [L306] state_125 = init_126_arg_1 [L307] SORT_1 init_128_arg_1 = var_30; [L308] state_127 = init_128_arg_1 [L309] SORT_1 init_130_arg_1 = var_30; [L310] state_129 = init_130_arg_1 [L311] SORT_1 init_132_arg_1 = var_30; [L312] state_131 = init_132_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_101=0, state_103=0, state_105=0, state_107=0, state_109=0, state_10=0, state_111=0, state_113=0, state_115=0, state_117=0, state_119=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_12=0, state_131=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_133=1, var_134=0, var_148=0, var_152=1, var_194=255, var_196=4, var_198=3, var_200=2, var_235=0, var_502=5, var_517=5] [L315] input_147 = __VERIFIER_nondet_uchar() [L316] EXPR input_147 & mask_SORT_1 [L316] input_147 = input_147 & mask_SORT_1 [L317] input_149 = __VERIFIER_nondet_uchar() [L318] EXPR input_149 & mask_SORT_1 [L318] input_149 = input_149 & mask_SORT_1 [L319] input_150 = __VERIFIER_nondet_uchar() [L320] EXPR input_150 & mask_SORT_1 [L320] input_150 = input_150 & mask_SORT_1 [L321] input_151 = __VERIFIER_nondet_uchar() [L322] EXPR input_151 & mask_SORT_1 [L322] input_151 = input_151 & mask_SORT_1 [L323] input_158 = __VERIFIER_nondet_uchar() [L324] EXPR input_158 & mask_SORT_1 [L324] input_158 = input_158 & mask_SORT_1 [L325] input_159 = __VERIFIER_nondet_uchar() [L326] EXPR input_159 & mask_SORT_1 [L326] input_159 = input_159 & mask_SORT_1 [L327] input_160 = __VERIFIER_nondet_uchar() [L328] EXPR input_160 & mask_SORT_1 [L328] input_160 = input_160 & mask_SORT_1 [L329] input_161 = __VERIFIER_nondet_uchar() [L330] EXPR input_161 & mask_SORT_1 [L330] input_161 = input_161 & mask_SORT_1 [L331] input_167 = __VERIFIER_nondet_uchar() [L332] EXPR input_167 & mask_SORT_1 [L332] input_167 = input_167 & mask_SORT_1 [L333] input_168 = __VERIFIER_nondet_uchar() [L334] EXPR input_168 & mask_SORT_1 [L334] input_168 = input_168 & mask_SORT_1 [L335] input_169 = __VERIFIER_nondet_uchar() [L336] EXPR input_169 & mask_SORT_1 [L336] input_169 = input_169 & mask_SORT_1 [L337] input_170 = __VERIFIER_nondet_uchar() [L338] EXPR input_170 & mask_SORT_1 [L338] input_170 = input_170 & mask_SORT_1 [L339] input_176 = __VERIFIER_nondet_uchar() [L340] EXPR input_176 & mask_SORT_1 [L340] input_176 = input_176 & mask_SORT_1 [L341] input_177 = __VERIFIER_nondet_uchar() [L342] EXPR input_177 & mask_SORT_1 [L342] input_177 = input_177 & mask_SORT_1 [L343] input_178 = __VERIFIER_nondet_uchar() [L344] EXPR input_178 & mask_SORT_1 [L344] input_178 = input_178 & mask_SORT_1 [L345] input_179 = __VERIFIER_nondet_uchar() [L346] EXPR input_179 & mask_SORT_1 [L346] input_179 = input_179 & mask_SORT_1 [L347] input_185 = __VERIFIER_nondet_uchar() [L348] EXPR input_185 & mask_SORT_1 [L348] input_185 = input_185 & mask_SORT_1 [L349] input_186 = __VERIFIER_nondet_uchar() [L350] EXPR input_186 & mask_SORT_1 [L350] input_186 = input_186 & mask_SORT_1 [L351] input_187 = __VERIFIER_nondet_uchar() [L352] EXPR input_187 & mask_SORT_1 [L352] input_187 = input_187 & mask_SORT_1 [L353] input_188 = __VERIFIER_nondet_uchar() [L354] EXPR input_188 & mask_SORT_1 [L354] input_188 = input_188 & mask_SORT_1 [L355] input_195 = __VERIFIER_nondet_uchar() [L356] EXPR input_195 & mask_SORT_1 [L356] input_195 = input_195 & mask_SORT_1 [L357] input_197 = __VERIFIER_nondet_uchar() [L358] EXPR input_197 & mask_SORT_1 [L358] input_197 = input_197 & mask_SORT_1 [L359] input_199 = __VERIFIER_nondet_uchar() [L360] EXPR input_199 & mask_SORT_1 [L360] input_199 = input_199 & mask_SORT_1 [L361] input_201 = __VERIFIER_nondet_uchar() [L362] EXPR input_201 & mask_SORT_1 [L362] input_201 = input_201 & mask_SORT_1 [L363] input_202 = __VERIFIER_nondet_uchar() [L364] EXPR input_202 & mask_SORT_1 [L364] input_202 = input_202 & mask_SORT_1 [L365] input_211 = __VERIFIER_nondet_uchar() [L366] EXPR input_211 & mask_SORT_1 [L366] input_211 = input_211 & mask_SORT_1 [L367] input_212 = __VERIFIER_nondet_uchar() [L368] EXPR input_212 & mask_SORT_1 [L368] input_212 = input_212 & mask_SORT_1 [L369] input_213 = __VERIFIER_nondet_uchar() [L370] EXPR input_213 & mask_SORT_1 [L370] input_213 = input_213 & mask_SORT_1 [L371] input_214 = __VERIFIER_nondet_uchar() [L372] EXPR input_214 & mask_SORT_1 [L372] input_214 = input_214 & mask_SORT_1 [L373] input_215 = __VERIFIER_nondet_uchar() [L374] EXPR input_215 & mask_SORT_1 [L374] input_215 = input_215 & mask_SORT_1 [L375] input_216 = __VERIFIER_nondet_uchar() [L376] EXPR input_216 & mask_SORT_1 [L376] input_216 = input_216 & mask_SORT_1 [L377] input_217 = __VERIFIER_nondet_uchar() [L378] EXPR input_217 & mask_SORT_1 [L378] input_217 = input_217 & mask_SORT_1 [L379] input_218 = __VERIFIER_nondet_uchar() [L380] EXPR input_218 & mask_SORT_1 [L380] input_218 = input_218 & mask_SORT_1 [L381] input_219 = __VERIFIER_nondet_uchar() [L382] EXPR input_219 & mask_SORT_1 [L382] input_219 = input_219 & mask_SORT_1 [L383] input_220 = __VERIFIER_nondet_uchar() [L384] EXPR input_220 & mask_SORT_1 [L384] input_220 = input_220 & mask_SORT_1 [L385] input_234 = __VERIFIER_nondet_uchar() [L386] EXPR input_234 & mask_SORT_1 [L386] input_234 = input_234 & mask_SORT_1 [L387] input_242 = __VERIFIER_nondet_uchar() [L388] EXPR input_242 & mask_SORT_1 [L388] input_242 = input_242 & mask_SORT_1 [L389] input_249 = __VERIFIER_nondet_uchar() [L390] EXPR input_249 & mask_SORT_1 [L390] input_249 = input_249 & mask_SORT_1 [L391] input_256 = __VERIFIER_nondet_uchar() [L392] EXPR input_256 & mask_SORT_1 [L392] input_256 = input_256 & mask_SORT_1 [L393] input_263 = __VERIFIER_nondet_uchar() [L394] EXPR input_263 & mask_SORT_1 [L394] input_263 = input_263 & mask_SORT_1 [L395] input_271 = __VERIFIER_nondet_uchar() [L396] input_273 = __VERIFIER_nondet_uchar() [L397] input_277 = __VERIFIER_nondet_uchar() [L398] input_279 = __VERIFIER_nondet_uchar() [L399] input_288 = __VERIFIER_nondet_uchar() [L400] input_302 = __VERIFIER_nondet_uchar() [L401] input_313 = __VERIFIER_nondet_uchar() [L402] input_315 = __VERIFIER_nondet_uchar() [L403] input_319 = __VERIFIER_nondet_uchar() [L404] input_321 = __VERIFIER_nondet_uchar() [L405] input_330 = __VERIFIER_nondet_uchar() [L406] input_344 = __VERIFIER_nondet_uchar() [L407] input_355 = __VERIFIER_nondet_uchar() [L408] input_357 = __VERIFIER_nondet_uchar() [L409] input_361 = __VERIFIER_nondet_uchar() [L410] input_363 = __VERIFIER_nondet_uchar() [L411] input_372 = __VERIFIER_nondet_uchar() [L412] input_386 = __VERIFIER_nondet_uchar() [L413] input_397 = __VERIFIER_nondet_uchar() [L414] input_399 = __VERIFIER_nondet_uchar() [L415] input_403 = __VERIFIER_nondet_uchar() [L416] input_405 = __VERIFIER_nondet_uchar() [L417] input_414 = __VERIFIER_nondet_uchar() [L418] input_428 = __VERIFIER_nondet_uchar() [L419] input_439 = __VERIFIER_nondet_uchar() [L420] input_441 = __VERIFIER_nondet_uchar() [L421] input_445 = __VERIFIER_nondet_uchar() [L422] input_447 = __VERIFIER_nondet_uchar() [L423] input_456 = __VERIFIER_nondet_uchar() [L424] input_470 = __VERIFIER_nondet_uchar() [L427] SORT_1 var_135_arg_0 = state_33; [L428] SORT_4 var_135_arg_1 = var_133; [L429] SORT_4 var_135_arg_2 = var_134; [L430] SORT_4 var_135 = var_135_arg_0 ? var_135_arg_1 : var_135_arg_2; [L431] SORT_1 var_136_arg_0 = state_53; [L432] SORT_4 var_136_arg_1 = var_133; [L433] SORT_4 var_136_arg_2 = var_134; [L434] SORT_4 var_136 = var_136_arg_0 ? var_136_arg_1 : var_136_arg_2; [L435] SORT_4 var_137_arg_0 = var_135; [L436] SORT_4 var_137_arg_1 = var_136; [L437] SORT_4 var_137 = var_137_arg_0 + var_137_arg_1; [L438] SORT_1 var_138_arg_0 = state_73; [L439] SORT_4 var_138_arg_1 = var_133; [L440] SORT_4 var_138_arg_2 = var_134; [L441] SORT_4 var_138 = var_138_arg_0 ? var_138_arg_1 : var_138_arg_2; [L442] SORT_4 var_139_arg_0 = var_137; [L443] SORT_4 var_139_arg_1 = var_138; [L444] SORT_4 var_139 = var_139_arg_0 + var_139_arg_1; [L445] SORT_1 var_140_arg_0 = state_93; [L446] SORT_4 var_140_arg_1 = var_133; [L447] SORT_4 var_140_arg_2 = var_134; [L448] SORT_4 var_140 = var_140_arg_0 ? var_140_arg_1 : var_140_arg_2; [L449] SORT_4 var_141_arg_0 = var_139; [L450] SORT_4 var_141_arg_1 = var_140; [L451] SORT_4 var_141 = var_141_arg_0 + var_141_arg_1; [L452] SORT_1 var_142_arg_0 = state_113; [L453] SORT_4 var_142_arg_1 = var_133; [L454] SORT_4 var_142_arg_2 = var_134; [L455] SORT_4 var_142 = var_142_arg_0 ? var_142_arg_1 : var_142_arg_2; [L456] SORT_4 var_143_arg_0 = var_141; [L457] SORT_4 var_143_arg_1 = var_142; [L458] SORT_4 var_143 = var_143_arg_0 + var_143_arg_1; [L459] EXPR var_143 & mask_SORT_4 [L459] var_143 = var_143 & mask_SORT_4 [L460] SORT_4 var_144_arg_0 = var_143; [L461] SORT_4 var_144_arg_1 = var_133; [L462] SORT_1 var_144 = var_144_arg_0 <= var_144_arg_1; [L463] SORT_1 var_145_arg_0 = ~state_131; [L464] EXPR var_145_arg_0 & mask_SORT_1 [L464] var_145_arg_0 = var_145_arg_0 & mask_SORT_1 [L465] SORT_1 var_145_arg_1 = ~var_144; [L466] EXPR var_145_arg_1 & mask_SORT_1 [L466] var_145_arg_1 = var_145_arg_1 & mask_SORT_1 [L467] EXPR var_145_arg_0 & var_145_arg_1 [L467] SORT_1 var_145 = var_145_arg_0 & var_145_arg_1; [L468] EXPR var_145 & mask_SORT_1 [L468] var_145 = var_145 & mask_SORT_1 [L469] SORT_1 bad_146_arg_0 = var_145; [L470] CALL __VERIFIER_assert(!(bad_146_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:52:04,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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_116175b6-389c-4566-aff7-3c3185f389c8/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 dff8505a682fe5b701e0277f52de3e4d89228cbe841658b6b3c68063cc6794f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:52:08,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:52:08,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:52:08,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:52:08,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:52:08,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:52:08,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:52:08,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:52:08,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:52:08,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:52:08,310 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:52:08,310 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:52:08,311 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:52:08,311 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:52:08,314 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:52:08,314 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:52:08,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:52:08,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:52:08,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:52:08,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:52:08,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:52:08,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:52:08,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:52:08,323 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:52:08,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:52:08,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:52:08,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:52:08,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:52:08,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:52:08,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:52:08,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:52:08,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:52:08,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:52:08,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:52:08,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:52:08,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:52:08,329 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:52:08,329 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:52:08,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:52:08,330 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:52:08,331 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_116175b6-389c-4566-aff7-3c3185f389c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dff8505a682fe5b701e0277f52de3e4d89228cbe841658b6b3c68063cc6794f8 [2024-11-09 05:52:08,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:52:08,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:52:08,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:52:08,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:52:08,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:52:08,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:52:11,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:52:11,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:52:11,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c [2024-11-09 05:52:11,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data/0e8ce8f35/d9c59976ebe540d9be32024cf063295f/FLAG3077a10ab [2024-11-09 05:52:11,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/data/0e8ce8f35/d9c59976ebe540d9be32024cf063295f [2024-11-09 05:52:11,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:52:11,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:52:11,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:52:11,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:52:11,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:52:11,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:11,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410d3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:11, skipping insertion in model container [2024-11-09 05:52:11,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:52:11" (1/1) ... [2024-11-09 05:52:12,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:52:12,361 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_116175b6-389c-4566-aff7-3c3185f389c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c[1174,1187] [2024-11-09 05:52:13,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:52:13,168 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:52:13,188 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_116175b6-389c-4566-aff7-3c3185f389c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.8.prop1-func-interl.c[1174,1187] [2024-11-09 05:52:13,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:52:13,517 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:52:13,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13 WrapperNode [2024-11-09 05:52:13,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:52:13,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:52:13,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:52:13,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:52:13,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:13,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:13,873 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3918 [2024-11-09 05:52:13,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:52:13,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:52:13,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:52:13,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:52:13,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:13,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:13,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:13,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:14,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:14,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:14,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:14,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:14,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:52:14,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:52:14,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:52:14,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:52:14,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (1/1) ... [2024-11-09 05:52:14,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:52:14,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:52:14,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:52:14,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:52:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:52:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:52:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:52:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:52:15,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:52:15,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:52:22,845 INFO L? ?]: Removed 184 outVars from TransFormulas that were not future-live. [2024-11-09 05:52:22,845 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:52:22,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:52:22,859 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:52:22,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:22 BoogieIcfgContainer [2024-11-09 05:52:22,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:52:22,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:52:22,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:52:22,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:52:22,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:52:11" (1/3) ... [2024-11-09 05:52:22,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a69a8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:22, skipping insertion in model container [2024-11-09 05:52:22,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:13" (2/3) ... [2024-11-09 05:52:22,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a69a8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:22, skipping insertion in model container [2024-11-09 05:52:22,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:22" (3/3) ... [2024-11-09 05:52:22,871 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.8.prop1-func-interl.c [2024-11-09 05:52:22,893 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:52:22,893 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:52:22,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:52:22,983 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;@1433608a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:52:22,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:52:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:52:22,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:23,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:52:23,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:23,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:52:23,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:23,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875631232] [2024-11-09 05:52:23,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:23,036 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 05:52:23,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:23,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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 05:52:23,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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 05:52:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:24,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 05:52:24,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:24,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:52:24,904 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:52:24,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875631232] [2024-11-09 05:52:24,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875631232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:24,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:24,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:52:24,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450138327] [2024-11-09 05:52:24,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:24,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:52:24,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:52:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:52:24,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:52:24,944 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:25,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:25,454 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 05:52:25,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:52:25,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 05:52:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:25,468 INFO L225 Difference]: With dead ends: 19 [2024-11-09 05:52:25,468 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 05:52:25,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:52:25,480 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:25,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:52:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 05:52:25,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 05:52:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:52:25,524 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:52:25,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:25,525 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:52:25,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:52:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:52:25,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:25,526 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:25,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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 05:52:25,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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 05:52:25,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:25,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:25,732 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:52:25,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:25,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554681243] [2024-11-09 05:52:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:25,735 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 05:52:25,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:25,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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 05:52:25,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116175b6-389c-4566-aff7-3c3185f389c8/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 05:52:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:27,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-09 05:52:27,412 INFO L278 TraceCheckSpWp]: Computing forward predicates...