./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:27:28,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:27:28,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 01:27:28,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:27:28,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:27:28,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:27:28,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:27:28,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:27:28,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:27:28,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:27:28,763 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:27:28,763 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:27:28,764 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:27:28,764 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:27:28,767 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:27:28,767 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:27:28,768 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:27:28,768 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:27:28,768 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:27:28,769 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:27:28,769 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:27:28,773 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:27:28,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:27:28,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:27:28,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:27:28,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:27:28,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:27:28,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:27:28,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:27:28,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:27:28,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:27:28,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:27:28,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:27:28,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:27:28,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:27:28,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:27:28,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:27:28,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:27:28,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:27:28,784 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:27:28,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:27:28,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:27:28,785 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:27:28,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:27:28,786 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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2024-11-09 01:27:29,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:27:29,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:27:29,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:27:29,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:27:29,158 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:27:29,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 01:27:31,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:27:31,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:27:31,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-09 01:27:31,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data/ea8482d83/e58df29b59f54e0d930541aae905c274/FLAGf940242f6 [2024-11-09 01:27:31,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data/ea8482d83/e58df29b59f54e0d930541aae905c274 [2024-11-09 01:27:31,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:27:31,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:27:31,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:27:31,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:27:31,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:27:31,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:27:31" (1/1) ... [2024-11-09 01:27:31,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297e79ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:31, skipping insertion in model container [2024-11-09 01:27:31,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:27:31" (1/1) ... [2024-11-09 01:27:31,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:27:32,085 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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-09 01:27:32,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:27:32,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:27:32,790 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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-09 01:27:32,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:27:33,008 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:27:33,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33 WrapperNode [2024-11-09 01:27:33,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:27:33,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:27:33,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:27:33,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:27:33,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:33,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:34,294 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6283 [2024-11-09 01:27:34,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:27:34,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:27:34,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:27:34,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:27:34,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:34,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:34,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:34,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:34,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:34,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:35,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:35,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:35,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:27:35,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:27:35,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:27:35,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:27:35,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (1/1) ... [2024-11-09 01:27:35,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:27:35,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:27:35,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:27:35,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:27:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:27:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:27:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:27:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:27:35,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:27:35,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:27:45,546 INFO L? ?]: Removed 3407 outVars from TransFormulas that were not future-live. [2024-11-09 01:27:45,547 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:27:59,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:27:59,336 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:27:59,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:27:59 BoogieIcfgContainer [2024-11-09 01:27:59,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:27:59,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:27:59,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:27:59,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:27:59,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:27:31" (1/3) ... [2024-11-09 01:27:59,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1453a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:27:59, skipping insertion in model container [2024-11-09 01:27:59,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:27:33" (2/3) ... [2024-11-09 01:27:59,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1453a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:27:59, skipping insertion in model container [2024-11-09 01:27:59,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:27:59" (3/3) ... [2024-11-09 01:27:59,351 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-09 01:27:59,375 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:27:59,376 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:27:59,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:27:59,477 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;@26c97f06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:27:59,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:27:59,483 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 01:27:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:27:59,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:27:59,492 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 01:27:59,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:27:59,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:27:59,500 INFO L85 PathProgramCache]: Analyzing trace with hash 332002383, now seen corresponding path program 1 times [2024-11-09 01:27:59,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:27:59,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709725653] [2024-11-09 01:27:59,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:28:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:28:00,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:28:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:28:00,761 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:28:00,763 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:28:00,765 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:28:00,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:28:00,773 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:28:00,817 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 01:28:00,835 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:28:00,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:28:00 BoogieIcfgContainer [2024-11-09 01:28:00,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:28:00,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:28:00,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:28:00,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:28:00,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:27:59" (3/4) ... [2024-11-09 01:28:00,847 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:28:00,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:28:00,851 INFO L158 Benchmark]: Toolchain (without parser) took 29110.04ms. Allocated memory was 115.3MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 81.4MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 587.8MB. Max. memory is 16.1GB. [2024-11-09 01:28:00,851 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 115.3MB. Free memory was 83.9MB in the beginning and 83.8MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:28:00,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1269.02ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 81.0MB in the beginning and 86.1MB in the end (delta: -5.1MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-09 01:28:00,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 1284.52ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 86.1MB in the beginning and 144.0MB in the end (delta: -57.8MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2024-11-09 01:28:00,854 INFO L158 Benchmark]: Boogie Preprocessor took 898.10ms. Allocated memory is still 299.9MB. Free memory was 144.0MB in the beginning and 99.2MB in the end (delta: 44.8MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2024-11-09 01:28:00,857 INFO L158 Benchmark]: RCFGBuilder took 24141.80ms. Allocated memory was 299.9MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 99.2MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-09 01:28:00,857 INFO L158 Benchmark]: TraceAbstraction took 1499.56ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.6GB in the end (delta: 108.0MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-11-09 01:28:00,858 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 3.2GB. Free memory is still 2.6GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:28:00,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 115.3MB. Free memory was 83.9MB in the beginning and 83.8MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1269.02ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 81.0MB in the beginning and 86.1MB in the end (delta: -5.1MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1284.52ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 86.1MB in the beginning and 144.0MB in the end (delta: -57.8MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 898.10ms. Allocated memory is still 299.9MB. Free memory was 144.0MB in the beginning and 99.2MB in the end (delta: 44.8MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * RCFGBuilder took 24141.80ms. Allocated memory was 299.9MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 99.2MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * TraceAbstraction took 1499.56ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.6GB in the end (delta: 108.0MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 3.2GB. Free memory is still 2.6GB. 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 161. 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_24 = 0; [L40] const SORT_4 var_57 = 1; [L41] const SORT_4 var_58 = 0; [L42] const SORT_2 var_68 = 2; [L43] const SORT_2 var_70 = 1; [L44] const SORT_2 var_72 = 0; [L45] const SORT_2 var_108 = 6; [L46] const SORT_2 var_109 = 255; [L47] const SORT_2 var_118 = 24; [L48] const SORT_2 var_127 = 14; [L49] const SORT_3 var_292 = 0; [L50] const SORT_4 var_294 = 6; [L51] const SORT_4 var_326 = 24; [L52] const SORT_4 var_358 = 14; [L54] SORT_1 input_67; [L55] SORT_1 input_69; [L56] SORT_1 input_71; [L57] SORT_1 input_73; [L58] SORT_1 input_79; [L59] SORT_1 input_82; [L60] SORT_1 input_83; [L61] SORT_1 input_84; [L62] SORT_1 input_85; [L63] SORT_1 input_91; [L64] SORT_1 input_94; [L65] SORT_1 input_95; [L66] SORT_1 input_96; [L67] SORT_1 input_97; [L68] SORT_1 input_103; [L69] SORT_1 input_106; [L70] SORT_1 input_107; [L71] SORT_1 input_116; [L72] SORT_1 input_117; [L73] SORT_1 input_125; [L74] SORT_1 input_126; [L75] SORT_1 input_141; [L76] SORT_1 input_143; [L77] SORT_1 input_162; [L78] SORT_1 input_164; [L79] SORT_1 input_183; [L80] SORT_1 input_185; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_2 init_7_arg_1 = var_5; [L109] state_6 = init_7_arg_1 [L110] SORT_2 init_9_arg_1 = var_5; [L111] state_8 = init_9_arg_1 [L112] SORT_2 init_11_arg_1 = var_5; [L113] state_10 = init_11_arg_1 [L114] SORT_2 init_13_arg_1 = var_5; [L115] state_12 = init_13_arg_1 [L116] SORT_2 init_15_arg_1 = var_5; [L117] state_14 = init_15_arg_1 [L118] SORT_2 init_17_arg_1 = var_5; [L119] state_16 = init_17_arg_1 [L120] SORT_2 init_19_arg_1 = var_5; [L121] state_18 = init_19_arg_1 [L122] SORT_2 init_21_arg_1 = var_5; [L123] state_20 = init_21_arg_1 [L124] SORT_2 init_23_arg_1 = var_5; [L125] state_22 = init_23_arg_1 [L126] SORT_1 init_26_arg_1 = var_24; [L127] state_25 = init_26_arg_1 [L128] SORT_1 init_28_arg_1 = var_24; [L129] state_27 = init_28_arg_1 [L130] SORT_1 init_30_arg_1 = var_24; [L131] state_29 = init_30_arg_1 [L132] SORT_1 init_32_arg_1 = var_24; [L133] state_31 = init_32_arg_1 [L134] SORT_1 init_34_arg_1 = var_24; [L135] state_33 = init_34_arg_1 [L136] SORT_1 init_36_arg_1 = var_24; [L137] state_35 = init_36_arg_1 [L138] SORT_1 init_38_arg_1 = var_24; [L139] state_37 = init_38_arg_1 [L140] SORT_1 init_40_arg_1 = var_24; [L141] state_39 = init_40_arg_1 [L142] SORT_1 init_42_arg_1 = var_24; [L143] state_41 = init_42_arg_1 [L144] SORT_1 init_44_arg_1 = var_24; [L145] state_43 = init_44_arg_1 [L146] SORT_1 init_46_arg_1 = var_24; [L147] state_45 = init_46_arg_1 [L148] SORT_1 init_48_arg_1 = var_24; [L149] state_47 = init_48_arg_1 [L150] SORT_1 init_50_arg_1 = var_24; [L151] state_49 = init_50_arg_1 [L152] SORT_1 init_52_arg_1 = var_24; [L153] state_51 = init_52_arg_1 [L154] SORT_1 init_54_arg_1 = var_24; [L155] state_53 = init_54_arg_1 [L156] SORT_1 init_56_arg_1 = var_24; [L157] state_55 = init_56_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L160] input_67 = __VERIFIER_nondet_uchar() [L161] EXPR input_67 & mask_SORT_1 [L161] input_67 = input_67 & mask_SORT_1 [L162] input_69 = __VERIFIER_nondet_uchar() [L163] EXPR input_69 & mask_SORT_1 [L163] input_69 = input_69 & mask_SORT_1 [L164] input_71 = __VERIFIER_nondet_uchar() [L165] EXPR input_71 & mask_SORT_1 [L165] input_71 = input_71 & mask_SORT_1 [L166] input_73 = __VERIFIER_nondet_uchar() [L167] EXPR input_73 & mask_SORT_1 [L167] input_73 = input_73 & mask_SORT_1 [L168] input_79 = __VERIFIER_nondet_uchar() [L169] EXPR input_79 & mask_SORT_1 [L169] input_79 = input_79 & mask_SORT_1 [L170] input_82 = __VERIFIER_nondet_uchar() [L171] EXPR input_82 & mask_SORT_1 [L171] input_82 = input_82 & mask_SORT_1 [L172] input_83 = __VERIFIER_nondet_uchar() [L173] EXPR input_83 & mask_SORT_1 [L173] input_83 = input_83 & mask_SORT_1 [L174] input_84 = __VERIFIER_nondet_uchar() [L175] EXPR input_84 & mask_SORT_1 [L175] input_84 = input_84 & mask_SORT_1 [L176] input_85 = __VERIFIER_nondet_uchar() [L177] EXPR input_85 & mask_SORT_1 [L177] input_85 = input_85 & mask_SORT_1 [L178] input_91 = __VERIFIER_nondet_uchar() [L179] EXPR input_91 & mask_SORT_1 [L179] input_91 = input_91 & mask_SORT_1 [L180] input_94 = __VERIFIER_nondet_uchar() [L181] EXPR input_94 & mask_SORT_1 [L181] input_94 = input_94 & mask_SORT_1 [L182] input_95 = __VERIFIER_nondet_uchar() [L183] EXPR input_95 & mask_SORT_1 [L183] input_95 = input_95 & mask_SORT_1 [L184] input_96 = __VERIFIER_nondet_uchar() [L185] EXPR input_96 & mask_SORT_1 [L185] input_96 = input_96 & mask_SORT_1 [L186] input_97 = __VERIFIER_nondet_uchar() [L187] EXPR input_97 & mask_SORT_1 [L187] input_97 = input_97 & mask_SORT_1 [L188] input_103 = __VERIFIER_nondet_uchar() [L189] EXPR input_103 & mask_SORT_1 [L189] input_103 = input_103 & mask_SORT_1 [L190] input_106 = __VERIFIER_nondet_uchar() [L191] EXPR input_106 & mask_SORT_1 [L191] input_106 = input_106 & mask_SORT_1 [L192] input_107 = __VERIFIER_nondet_uchar() [L193] EXPR input_107 & mask_SORT_1 [L193] input_107 = input_107 & mask_SORT_1 [L194] input_116 = __VERIFIER_nondet_uchar() [L195] EXPR input_116 & mask_SORT_1 [L195] input_116 = input_116 & mask_SORT_1 [L196] input_117 = __VERIFIER_nondet_uchar() [L197] EXPR input_117 & mask_SORT_1 [L197] input_117 = input_117 & mask_SORT_1 [L198] input_125 = __VERIFIER_nondet_uchar() [L199] EXPR input_125 & mask_SORT_1 [L199] input_125 = input_125 & mask_SORT_1 [L200] input_126 = __VERIFIER_nondet_uchar() [L201] EXPR input_126 & mask_SORT_1 [L201] input_126 = input_126 & mask_SORT_1 [L202] input_141 = __VERIFIER_nondet_uchar() [L203] input_143 = __VERIFIER_nondet_uchar() [L204] input_162 = __VERIFIER_nondet_uchar() [L205] input_164 = __VERIFIER_nondet_uchar() [L206] input_183 = __VERIFIER_nondet_uchar() [L207] input_185 = __VERIFIER_nondet_uchar() [L210] SORT_1 var_59_arg_0 = ~state_27; [L211] EXPR var_59_arg_0 & mask_SORT_1 [L211] var_59_arg_0 = var_59_arg_0 & mask_SORT_1 [L212] SORT_4 var_59_arg_1 = var_57; [L213] SORT_4 var_59_arg_2 = var_58; [L214] SORT_4 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L215] SORT_1 var_60_arg_0 = state_33; [L216] SORT_4 var_60_arg_1 = var_57; [L217] SORT_4 var_60_arg_2 = var_58; [L218] SORT_4 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L219] SORT_4 var_61_arg_0 = var_59; [L220] SORT_4 var_61_arg_1 = var_60; [L221] SORT_4 var_61 = var_61_arg_0 + var_61_arg_1; [L222] SORT_1 var_62_arg_0 = state_39; [L223] SORT_4 var_62_arg_1 = var_57; [L224] SORT_4 var_62_arg_2 = var_58; [L225] SORT_4 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L226] SORT_4 var_63_arg_0 = var_61; [L227] SORT_4 var_63_arg_1 = var_62; [L228] SORT_4 var_63 = var_63_arg_0 + var_63_arg_1; [L229] EXPR var_63 & mask_SORT_4 [L229] var_63 = var_63 & mask_SORT_4 [L230] SORT_4 var_64_arg_0 = var_63; [L231] SORT_4 var_64_arg_1 = var_57; [L232] SORT_1 var_64 = var_64_arg_0 <= var_64_arg_1; [L233] SORT_1 var_65_arg_0 = ~state_55; [L234] EXPR var_65_arg_0 & mask_SORT_1 [L234] var_65_arg_0 = var_65_arg_0 & mask_SORT_1 [L235] SORT_1 var_65_arg_1 = ~var_64; [L236] EXPR var_65_arg_1 & mask_SORT_1 [L236] var_65_arg_1 = var_65_arg_1 & mask_SORT_1 [L237] EXPR var_65_arg_0 & var_65_arg_1 [L237] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L238] EXPR var_65 & mask_SORT_1 [L238] var_65 = var_65 & mask_SORT_1 [L239] SORT_1 bad_66_arg_0 = var_65; [L240] CALL __VERIFIER_assert(!(bad_66_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: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:28:00,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:28:03,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:28:03,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 01:28:03,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:28:03,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:28:03,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:28:03,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:28:03,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:28:03,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:28:03,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:28:03,891 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:28:03,892 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:28:03,892 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:28:03,892 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:28:03,896 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:28:03,897 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:28:03,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:28:03,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:28:03,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:28:03,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:28:03,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:28:03,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:28:03,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:28:03,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:28:03,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:28:03,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:28:03,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:28:03,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:28:03,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:28:03,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:28:03,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:28:03,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:28:03,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:28:03,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:28:03,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:28:03,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:28:03,905 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:28:03,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:28:03,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:28:03,906 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:28:03,906 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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2024-11-09 01:28:04,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:28:04,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:28:04,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:28:04,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:28:04,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:28:04,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 01:28:06,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:28:06,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:28:06,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-09 01:28:06,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data/0a24818d3/33ec39a1a7884be2b0d06d4baa1f5821/FLAG005be7318 [2024-11-09 01:28:07,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/data/0a24818d3/33ec39a1a7884be2b0d06d4baa1f5821 [2024-11-09 01:28:07,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:28:07,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:28:07,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:28:07,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:28:07,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:28:07,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:28:07" (1/1) ... [2024-11-09 01:28:07,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecd81c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:07, skipping insertion in model container [2024-11-09 01:28:07,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:28:07" (1/1) ... [2024-11-09 01:28:07,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:28:07,428 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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-09 01:28:07,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:28:07,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:28:07,943 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_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-09 01:28:08,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:28:08,098 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:28:08,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08 WrapperNode [2024-11-09 01:28:08,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:28:08,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:28:08,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:28:08,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:28:08,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,320 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1763 [2024-11-09 01:28:08,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:28:08,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:28:08,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:28:08,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:28:08,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:28:08,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:28:08,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:28:08,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:28:08,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (1/1) ... [2024-11-09 01:28:08,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:28:08,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:28:08,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:28:08,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:28:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:28:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:28:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:28:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:28:08,965 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:28:08,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:28:11,664 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-09 01:28:11,665 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:28:11,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:28:11,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:28:11,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:28:11 BoogieIcfgContainer [2024-11-09 01:28:11,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:28:11,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:28:11,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:28:11,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:28:11,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:28:07" (1/3) ... [2024-11-09 01:28:11,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46aa7475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:28:11, skipping insertion in model container [2024-11-09 01:28:11,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:28:08" (2/3) ... [2024-11-09 01:28:11,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46aa7475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:28:11, skipping insertion in model container [2024-11-09 01:28:11,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:28:11" (3/3) ... [2024-11-09 01:28:11,694 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-09 01:28:11,715 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:28:11,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:28:11,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:28:11,806 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;@7ff00dd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:28:11,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:28:11,811 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 01:28:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 01:28:11,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:28:11,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 01:28:11,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:28:11,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:28:11,826 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 01:28:11,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:28:11,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286142602] [2024-11-09 01:28:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:28:11,838 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 01:28:11,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:28:11,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 01:28:11,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 01:28:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:28:12,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 01:28:12,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:28:12,810 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 01:28:12,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:28:12,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:28:12,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286142602] [2024-11-09 01:28:12,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286142602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:28:12,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:28:12,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:28:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955056370] [2024-11-09 01:28:12,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:28:12,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:28:12,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:28:12,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:28:12,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:28:12,858 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 01:28:13,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:28:13,118 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 01:28:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:28:13,122 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 01:28:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:28:13,131 INFO L225 Difference]: With dead ends: 19 [2024-11-09 01:28:13,131 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 01:28:13,135 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 01:28:13,141 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:28:13,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:28:13,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 01:28:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 01:28:13,174 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 01:28:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 01:28:13,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 01:28:13,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:28:13,177 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 01:28:13,178 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 01:28:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 01:28:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:28:13,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:28:13,179 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 01:28:13,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 01:28:13,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 01:28:13,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:28:13,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:28:13,383 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 01:28:13,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:28:13,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780803908] [2024-11-09 01:28:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:28:13,386 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 01:28:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:28:13,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 01:28:13,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3cb5d7-4353-42ae-b81b-24ddf2987bc4/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 01:28:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:28:14,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:28:14,180 INFO L278 TraceCheckSpWp]: Computing forward predicates...