./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 3a90b27f44d4d14315aea165e22c5a1477022313cc1f7409931370ebf2fb2f87 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:21:29,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:21:29,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 01:21:29,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:21:29,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:21:29,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:21:29,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:21:29,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:21:29,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:21:29,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:21:29,162 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:21:29,163 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:21:29,165 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:21:29,165 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:21:29,168 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:21:29,169 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:21:29,169 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:21:29,169 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:21:29,170 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:21:29,170 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:21:29,170 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:21:29,175 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:21:29,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:21:29,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:21:29,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:21:29,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:21:29,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:21:29,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:21:29,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:21:29,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:21:29,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:21:29,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:21:29,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:21:29,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:21:29,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:21:29,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:21:29,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:21:29,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:21:29,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:21:29,182 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:21:29,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:21:29,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:21:29,183 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:21:29,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:21:29,183 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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a90b27f44d4d14315aea165e22c5a1477022313cc1f7409931370ebf2fb2f87 [2024-11-09 01:21:29,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:21:29,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:21:29,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:21:29,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:21:29,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:21:29,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 01:21:31,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:21:32,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:21:32,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c [2024-11-09 01:21:32,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data/8c21ca6e7/dfaedb467fcd40368d490b23aaa8f286/FLAG6eb3785e3 [2024-11-09 01:21:32,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data/8c21ca6e7/dfaedb467fcd40368d490b23aaa8f286 [2024-11-09 01:21:32,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:21:32,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:21:32,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:21:32,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:21:32,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:21:32,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:21:32" (1/1) ... [2024-11-09 01:21:32,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fbdc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:32, skipping insertion in model container [2024-11-09 01:21:32,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:21:32" (1/1) ... [2024-11-09 01:21:32,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:21:32,951 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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c[1174,1187] [2024-11-09 01:21:33,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:21:33,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:21:33,688 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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c[1174,1187] [2024-11-09 01:21:34,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:21:34,036 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:21:34,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34 WrapperNode [2024-11-09 01:21:34,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:21:34,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:21:34,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:21:34,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:21:34,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:34,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:35,822 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10760 [2024-11-09 01:21:35,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:21:35,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:21:35,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:21:35,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:21:35,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:35,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:36,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:36,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:36,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:36,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:37,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:37,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:37,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:21:37,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:21:37,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:21:37,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:21:37,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (1/1) ... [2024-11-09 01:21:37,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:21:37,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:37,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:21:37,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:21:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:21:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:21:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:21:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:21:38,796 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:21:38,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:22:00,723 INFO L? ?]: Removed 6120 outVars from TransFormulas that were not future-live. [2024-11-09 01:22:00,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:22:27,689 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:22:27,689 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:22:27,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:27 BoogieIcfgContainer [2024-11-09 01:22:27,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:22:27,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:22:27,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:22:27,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:22:27,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:21:32" (1/3) ... [2024-11-09 01:22:27,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cae1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:27, skipping insertion in model container [2024-11-09 01:22:27,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:34" (2/3) ... [2024-11-09 01:22:27,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cae1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:27, skipping insertion in model container [2024-11-09 01:22:27,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:27" (3/3) ... [2024-11-09 01:22:27,699 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.6.prop1-func-interl.c [2024-11-09 01:22:27,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:22:27,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:22:27,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:22:27,813 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;@bbb3b62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:22:27,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:22:27,819 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 01:22:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:22:27,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:27,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 01:22:27,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:27,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash 551301480, now seen corresponding path program 1 times [2024-11-09 01:22:27,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142152654] [2024-11-09 01:22:27,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:27,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:22:29,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:22:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:22:29,928 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:22:29,931 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:22:29,934 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:22:29,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:22:29,942 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:22:30,004 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 01:22:30,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:22:30,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:22:30 BoogieIcfgContainer [2024-11-09 01:22:30,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:22:30,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:22:30,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:22:30,045 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:22:30,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:27" (3/4) ... [2024-11-09 01:22:30,049 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:22:30,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:22:30,053 INFO L158 Benchmark]: Toolchain (without parser) took 57556.75ms. Allocated memory was 169.9MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 124.9MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 869.4MB. Max. memory is 16.1GB. [2024-11-09 01:22:30,054 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 104.9MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 98.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:30,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1541.36ms. Allocated memory is still 169.9MB. Free memory was 124.4MB in the beginning and 78.4MB in the end (delta: 46.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-11-09 01:22:30,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 1783.24ms. Allocated memory was 169.9MB in the beginning and 463.5MB in the end (delta: 293.6MB). Free memory was 78.4MB in the beginning and 217.4MB in the end (delta: -138.9MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2024-11-09 01:22:30,058 INFO L158 Benchmark]: Boogie Preprocessor took 1773.42ms. Allocated memory was 463.5MB in the beginning and 952.1MB in the end (delta: 488.6MB). Free memory was 217.4MB in the beginning and 649.3MB in the end (delta: -431.9MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2024-11-09 01:22:30,060 INFO L158 Benchmark]: RCFGBuilder took 50087.14ms. Allocated memory was 952.1MB in the beginning and 8.4GB in the end (delta: 7.5GB). Free memory was 649.3MB in the beginning and 7.7GB in the end (delta: -7.1GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-09 01:22:30,061 INFO L158 Benchmark]: TraceAbstraction took 2350.89ms. Allocated memory is still 8.4GB. Free memory was 7.7GB in the beginning and 7.5GB in the end (delta: 228.6MB). Peak memory consumption was 228.6MB. Max. memory is 16.1GB. [2024-11-09 01:22:30,061 INFO L158 Benchmark]: Witness Printer took 7.92ms. Allocated memory is still 8.4GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:30,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 104.9MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 98.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1541.36ms. Allocated memory is still 169.9MB. Free memory was 124.4MB in the beginning and 78.4MB in the end (delta: 46.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1783.24ms. Allocated memory was 169.9MB in the beginning and 463.5MB in the end (delta: 293.6MB). Free memory was 78.4MB in the beginning and 217.4MB in the end (delta: -138.9MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1773.42ms. Allocated memory was 463.5MB in the beginning and 952.1MB in the end (delta: 488.6MB). Free memory was 217.4MB in the beginning and 649.3MB in the end (delta: -431.9MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * RCFGBuilder took 50087.14ms. Allocated memory was 952.1MB in the beginning and 8.4GB in the end (delta: 7.5GB). Free memory was 649.3MB in the beginning and 7.7GB in the end (delta: -7.1GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * TraceAbstraction took 2350.89ms. Allocated memory is still 8.4GB. Free memory was 7.7GB in the beginning and 7.5GB in the end (delta: 228.6MB). Peak memory consumption was 228.6MB. Max. memory is 16.1GB. * Witness Printer took 7.92ms. Allocated memory is still 8.4GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 2.7kB). 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 268. 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_26 = 0; [L40] const SORT_4 var_109 = 1; [L41] const SORT_4 var_110 = 0; [L42] const SORT_2 var_121 = 0; [L43] const SORT_2 var_122 = 255; [L44] const SORT_2 var_136 = 1; [L45] const SORT_2 var_161 = 2; [L46] const SORT_2 var_180 = 3; [L47] const SORT_3 var_225 = 0; [L48] const SORT_4 var_442 = 4; [L49] const SORT_2 var_455 = 4; [L51] SORT_1 input_125; [L52] SORT_1 input_127; [L53] SORT_1 input_129; [L54] SORT_1 input_131; [L55] SORT_1 input_132; [L56] SORT_1 input_133; [L57] SORT_1 input_135; [L58] SORT_1 input_148; [L59] SORT_1 input_149; [L60] SORT_1 input_151; [L61] SORT_1 input_164; [L62] SORT_1 input_165; [L63] SORT_1 input_167; [L64] SORT_1 input_178; [L65] SORT_1 input_179; [L66] SORT_1 input_183; [L67] SORT_1 input_195; [L68] SORT_1 input_196; [L69] SORT_1 input_197; [L70] SORT_1 input_198; [L71] SORT_1 input_205; [L72] SORT_1 input_206; [L73] SORT_1 input_207; [L74] SORT_1 input_208; [L75] SORT_1 input_209; [L76] SORT_1 input_210; [L77] SORT_1 input_211; [L78] SORT_1 input_212; [L79] SORT_1 input_224; [L80] SORT_1 input_232; [L81] SORT_1 input_239; [L82] SORT_1 input_246; [L83] SORT_1 input_254; [L84] SORT_1 input_256; [L85] SORT_1 input_260; [L86] SORT_1 input_262; [L87] SORT_1 input_271; [L88] SORT_1 input_285; [L89] SORT_1 input_296; [L90] SORT_1 input_298; [L91] SORT_1 input_302; [L92] SORT_1 input_304; [L93] SORT_1 input_313; [L94] SORT_1 input_327; [L95] SORT_1 input_338; [L96] SORT_1 input_340; [L97] SORT_1 input_344; [L98] SORT_1 input_346; [L99] SORT_1 input_355; [L100] SORT_1 input_369; [L101] SORT_1 input_380; [L102] SORT_1 input_382; [L103] SORT_1 input_386; [L104] SORT_1 input_388; [L105] SORT_1 input_397; [L106] SORT_1 input_411; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L115] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L116] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L117] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L158] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L160] SORT_2 init_7_arg_1 = var_5; [L161] state_6 = init_7_arg_1 [L162] SORT_2 init_9_arg_1 = var_5; [L163] state_8 = init_9_arg_1 [L164] SORT_2 init_11_arg_1 = var_5; [L165] state_10 = init_11_arg_1 [L166] SORT_2 init_13_arg_1 = var_5; [L167] state_12 = init_13_arg_1 [L168] SORT_2 init_15_arg_1 = var_5; [L169] state_14 = init_15_arg_1 [L170] SORT_2 init_17_arg_1 = var_5; [L171] state_16 = init_17_arg_1 [L172] SORT_2 init_19_arg_1 = var_5; [L173] state_18 = init_19_arg_1 [L174] SORT_2 init_21_arg_1 = var_5; [L175] state_20 = init_21_arg_1 [L176] SORT_2 init_23_arg_1 = var_5; [L177] state_22 = init_23_arg_1 [L178] SORT_2 init_25_arg_1 = var_5; [L179] state_24 = init_25_arg_1 [L180] SORT_1 init_28_arg_1 = var_26; [L181] state_27 = init_28_arg_1 [L182] SORT_1 init_30_arg_1 = var_26; [L183] state_29 = init_30_arg_1 [L184] SORT_1 init_32_arg_1 = var_26; [L185] state_31 = init_32_arg_1 [L186] SORT_1 init_34_arg_1 = var_26; [L187] state_33 = init_34_arg_1 [L188] SORT_1 init_36_arg_1 = var_26; [L189] state_35 = init_36_arg_1 [L190] SORT_1 init_38_arg_1 = var_26; [L191] state_37 = init_38_arg_1 [L192] SORT_1 init_40_arg_1 = var_26; [L193] state_39 = init_40_arg_1 [L194] SORT_1 init_42_arg_1 = var_26; [L195] state_41 = init_42_arg_1 [L196] SORT_1 init_44_arg_1 = var_26; [L197] state_43 = init_44_arg_1 [L198] SORT_1 init_46_arg_1 = var_26; [L199] state_45 = init_46_arg_1 [L200] SORT_1 init_48_arg_1 = var_26; [L201] state_47 = init_48_arg_1 [L202] SORT_1 init_50_arg_1 = var_26; [L203] state_49 = init_50_arg_1 [L204] SORT_1 init_52_arg_1 = var_26; [L205] state_51 = init_52_arg_1 [L206] SORT_1 init_54_arg_1 = var_26; [L207] state_53 = init_54_arg_1 [L208] SORT_1 init_56_arg_1 = var_26; [L209] state_55 = init_56_arg_1 [L210] SORT_1 init_58_arg_1 = var_26; [L211] state_57 = init_58_arg_1 [L212] SORT_1 init_60_arg_1 = var_26; [L213] state_59 = init_60_arg_1 [L214] SORT_1 init_62_arg_1 = var_26; [L215] state_61 = init_62_arg_1 [L216] SORT_1 init_64_arg_1 = var_26; [L217] state_63 = init_64_arg_1 [L218] SORT_1 init_66_arg_1 = var_26; [L219] state_65 = init_66_arg_1 [L220] SORT_1 init_68_arg_1 = var_26; [L221] state_67 = init_68_arg_1 [L222] SORT_1 init_70_arg_1 = var_26; [L223] state_69 = init_70_arg_1 [L224] SORT_1 init_72_arg_1 = var_26; [L225] state_71 = init_72_arg_1 [L226] SORT_1 init_74_arg_1 = var_26; [L227] state_73 = init_74_arg_1 [L228] SORT_1 init_76_arg_1 = var_26; [L229] state_75 = init_76_arg_1 [L230] SORT_1 init_78_arg_1 = var_26; [L231] state_77 = init_78_arg_1 [L232] SORT_1 init_80_arg_1 = var_26; [L233] state_79 = init_80_arg_1 [L234] SORT_1 init_82_arg_1 = var_26; [L235] state_81 = init_82_arg_1 [L236] SORT_1 init_84_arg_1 = var_26; [L237] state_83 = init_84_arg_1 [L238] SORT_1 init_86_arg_1 = var_26; [L239] state_85 = init_86_arg_1 [L240] SORT_1 init_88_arg_1 = var_26; [L241] state_87 = init_88_arg_1 [L242] SORT_1 init_90_arg_1 = var_26; [L243] state_89 = init_90_arg_1 [L244] SORT_1 init_92_arg_1 = var_26; [L245] state_91 = init_92_arg_1 [L246] SORT_1 init_94_arg_1 = var_26; [L247] state_93 = init_94_arg_1 [L248] SORT_1 init_96_arg_1 = var_26; [L249] state_95 = init_96_arg_1 [L250] SORT_1 init_98_arg_1 = var_26; [L251] state_97 = init_98_arg_1 [L252] SORT_1 init_100_arg_1 = var_26; [L253] state_99 = init_100_arg_1 [L254] SORT_1 init_102_arg_1 = var_26; [L255] state_101 = init_102_arg_1 [L256] SORT_1 init_104_arg_1 = var_26; [L257] state_103 = init_104_arg_1 [L258] SORT_1 init_106_arg_1 = var_26; [L259] state_105 = init_106_arg_1 [L260] SORT_1 init_108_arg_1 = var_26; [L261] state_107 = init_108_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_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=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_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_109=1, var_110=0, var_121=0, var_122=255, var_136=1, var_161=2, var_180=3, var_225=0, var_442=4, var_455=4] [L264] input_125 = __VERIFIER_nondet_uchar() [L265] input_127 = __VERIFIER_nondet_uchar() [L266] input_129 = __VERIFIER_nondet_uchar() [L267] input_131 = __VERIFIER_nondet_uchar() [L268] EXPR input_131 & mask_SORT_1 [L268] input_131 = input_131 & mask_SORT_1 [L269] input_132 = __VERIFIER_nondet_uchar() [L270] EXPR input_132 & mask_SORT_1 [L270] input_132 = input_132 & mask_SORT_1 [L271] input_133 = __VERIFIER_nondet_uchar() [L272] input_135 = __VERIFIER_nondet_uchar() [L273] EXPR input_135 & mask_SORT_1 [L273] input_135 = input_135 & mask_SORT_1 [L274] input_148 = __VERIFIER_nondet_uchar() [L275] EXPR input_148 & mask_SORT_1 [L275] input_148 = input_148 & mask_SORT_1 [L276] input_149 = __VERIFIER_nondet_uchar() [L277] EXPR input_149 & mask_SORT_1 [L277] input_149 = input_149 & mask_SORT_1 [L278] input_151 = __VERIFIER_nondet_uchar() [L279] EXPR input_151 & mask_SORT_1 [L279] input_151 = input_151 & mask_SORT_1 [L280] input_164 = __VERIFIER_nondet_uchar() [L281] EXPR input_164 & mask_SORT_1 [L281] input_164 = input_164 & mask_SORT_1 [L282] input_165 = __VERIFIER_nondet_uchar() [L283] EXPR input_165 & mask_SORT_1 [L283] input_165 = input_165 & mask_SORT_1 [L284] input_167 = __VERIFIER_nondet_uchar() [L285] EXPR input_167 & mask_SORT_1 [L285] input_167 = input_167 & mask_SORT_1 [L286] input_178 = __VERIFIER_nondet_uchar() [L287] EXPR input_178 & mask_SORT_1 [L287] input_178 = input_178 & mask_SORT_1 [L288] input_179 = __VERIFIER_nondet_uchar() [L289] EXPR input_179 & mask_SORT_1 [L289] input_179 = input_179 & mask_SORT_1 [L290] input_183 = __VERIFIER_nondet_uchar() [L291] EXPR input_183 & mask_SORT_1 [L291] input_183 = input_183 & mask_SORT_1 [L292] input_195 = __VERIFIER_nondet_uchar() [L293] EXPR input_195 & mask_SORT_1 [L293] input_195 = input_195 & mask_SORT_1 [L294] input_196 = __VERIFIER_nondet_uchar() [L295] EXPR input_196 & mask_SORT_1 [L295] input_196 = input_196 & mask_SORT_1 [L296] input_197 = __VERIFIER_nondet_uchar() [L297] EXPR input_197 & mask_SORT_1 [L297] input_197 = input_197 & mask_SORT_1 [L298] input_198 = __VERIFIER_nondet_uchar() [L299] EXPR input_198 & mask_SORT_1 [L299] input_198 = input_198 & mask_SORT_1 [L300] input_205 = __VERIFIER_nondet_uchar() [L301] EXPR input_205 & mask_SORT_1 [L301] input_205 = input_205 & mask_SORT_1 [L302] input_206 = __VERIFIER_nondet_uchar() [L303] EXPR input_206 & mask_SORT_1 [L303] input_206 = input_206 & mask_SORT_1 [L304] input_207 = __VERIFIER_nondet_uchar() [L305] EXPR input_207 & mask_SORT_1 [L305] input_207 = input_207 & mask_SORT_1 [L306] input_208 = __VERIFIER_nondet_uchar() [L307] EXPR input_208 & mask_SORT_1 [L307] input_208 = input_208 & mask_SORT_1 [L308] input_209 = __VERIFIER_nondet_uchar() [L309] EXPR input_209 & mask_SORT_1 [L309] input_209 = input_209 & mask_SORT_1 [L310] input_210 = __VERIFIER_nondet_uchar() [L311] EXPR input_210 & mask_SORT_1 [L311] input_210 = input_210 & mask_SORT_1 [L312] input_211 = __VERIFIER_nondet_uchar() [L313] EXPR input_211 & mask_SORT_1 [L313] input_211 = input_211 & mask_SORT_1 [L314] input_212 = __VERIFIER_nondet_uchar() [L315] EXPR input_212 & mask_SORT_1 [L315] input_212 = input_212 & mask_SORT_1 [L316] input_224 = __VERIFIER_nondet_uchar() [L317] EXPR input_224 & mask_SORT_1 [L317] input_224 = input_224 & mask_SORT_1 [L318] input_232 = __VERIFIER_nondet_uchar() [L319] EXPR input_232 & mask_SORT_1 [L319] input_232 = input_232 & mask_SORT_1 [L320] input_239 = __VERIFIER_nondet_uchar() [L321] EXPR input_239 & mask_SORT_1 [L321] input_239 = input_239 & mask_SORT_1 [L322] input_246 = __VERIFIER_nondet_uchar() [L323] EXPR input_246 & mask_SORT_1 [L323] input_246 = input_246 & mask_SORT_1 [L324] input_254 = __VERIFIER_nondet_uchar() [L325] input_256 = __VERIFIER_nondet_uchar() [L326] input_260 = __VERIFIER_nondet_uchar() [L327] input_262 = __VERIFIER_nondet_uchar() [L328] input_271 = __VERIFIER_nondet_uchar() [L329] input_285 = __VERIFIER_nondet_uchar() [L330] input_296 = __VERIFIER_nondet_uchar() [L331] input_298 = __VERIFIER_nondet_uchar() [L332] input_302 = __VERIFIER_nondet_uchar() [L333] input_304 = __VERIFIER_nondet_uchar() [L334] input_313 = __VERIFIER_nondet_uchar() [L335] input_327 = __VERIFIER_nondet_uchar() [L336] input_338 = __VERIFIER_nondet_uchar() [L337] input_340 = __VERIFIER_nondet_uchar() [L338] input_344 = __VERIFIER_nondet_uchar() [L339] input_346 = __VERIFIER_nondet_uchar() [L340] input_355 = __VERIFIER_nondet_uchar() [L341] input_369 = __VERIFIER_nondet_uchar() [L342] input_380 = __VERIFIER_nondet_uchar() [L343] input_382 = __VERIFIER_nondet_uchar() [L344] input_386 = __VERIFIER_nondet_uchar() [L345] input_388 = __VERIFIER_nondet_uchar() [L346] input_397 = __VERIFIER_nondet_uchar() [L347] input_411 = __VERIFIER_nondet_uchar() [L350] SORT_1 var_111_arg_0 = state_29; [L351] SORT_4 var_111_arg_1 = var_109; [L352] SORT_4 var_111_arg_2 = var_110; [L353] SORT_4 var_111 = var_111_arg_0 ? var_111_arg_1 : var_111_arg_2; [L354] SORT_1 var_112_arg_0 = state_49; [L355] SORT_4 var_112_arg_1 = var_109; [L356] SORT_4 var_112_arg_2 = var_110; [L357] SORT_4 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L358] SORT_4 var_113_arg_0 = var_111; [L359] SORT_4 var_113_arg_1 = var_112; [L360] SORT_4 var_113 = var_113_arg_0 + var_113_arg_1; [L361] SORT_1 var_114_arg_0 = state_69; [L362] SORT_4 var_114_arg_1 = var_109; [L363] SORT_4 var_114_arg_2 = var_110; [L364] SORT_4 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L365] SORT_4 var_115_arg_0 = var_113; [L366] SORT_4 var_115_arg_1 = var_114; [L367] SORT_4 var_115 = var_115_arg_0 + var_115_arg_1; [L368] SORT_1 var_116_arg_0 = state_89; [L369] SORT_4 var_116_arg_1 = var_109; [L370] SORT_4 var_116_arg_2 = var_110; [L371] SORT_4 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L372] SORT_4 var_117_arg_0 = var_115; [L373] SORT_4 var_117_arg_1 = var_116; [L374] SORT_4 var_117 = var_117_arg_0 + var_117_arg_1; [L375] EXPR var_117 & mask_SORT_4 [L375] var_117 = var_117 & mask_SORT_4 [L376] SORT_4 var_118_arg_0 = var_117; [L377] SORT_4 var_118_arg_1 = var_109; [L378] SORT_1 var_118 = var_118_arg_0 <= var_118_arg_1; [L379] SORT_1 var_119_arg_0 = ~state_107; [L380] EXPR var_119_arg_0 & mask_SORT_1 [L380] var_119_arg_0 = var_119_arg_0 & mask_SORT_1 [L381] SORT_1 var_119_arg_1 = ~var_118; [L382] EXPR var_119_arg_1 & mask_SORT_1 [L382] var_119_arg_1 = var_119_arg_1 & mask_SORT_1 [L383] EXPR var_119_arg_0 & var_119_arg_1 [L383] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L384] EXPR var_119 & mask_SORT_1 [L384] var_119 = var_119 & mask_SORT_1 [L385] SORT_1 bad_120_arg_0 = var_119; [L386] CALL __VERIFIER_assert(!(bad_120_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: 2.2s, 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, 1.1s 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 01:22:30,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 3a90b27f44d4d14315aea165e22c5a1477022313cc1f7409931370ebf2fb2f87 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:22:33,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:22:33,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 01:22:33,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:22:33,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:22:33,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:22:33,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:22:33,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:22:33,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:22:33,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:22:33,325 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:22:33,326 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:22:33,326 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:22:33,327 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:22:33,327 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:22:33,327 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:22:33,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:22:33,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:22:33,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:22:33,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:22:33,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:22:33,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:22:33,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:22:33,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:22:33,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:22:33,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:22:33,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:22:33,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:22:33,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:22:33,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:22:33,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:22:33,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:22:33,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:33,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:22:33,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:22:33,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:22:33,337 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:22:33,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:22:33,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:22:33,338 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:22:33,339 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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a90b27f44d4d14315aea165e22c5a1477022313cc1f7409931370ebf2fb2f87 [2024-11-09 01:22:33,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:22:33,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:22:33,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:22:33,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:22:33,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:22:33,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 01:22:36,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:22:36,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:22:36,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c [2024-11-09 01:22:36,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data/548d0fd45/272cb61da1b143b098d00177908708fc/FLAG12ea62621 [2024-11-09 01:22:36,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/data/548d0fd45/272cb61da1b143b098d00177908708fc [2024-11-09 01:22:36,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:22:36,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:22:36,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:36,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:22:36,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:22:36,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:36" (1/1) ... [2024-11-09 01:22:36,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3681844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:36, skipping insertion in model container [2024-11-09 01:22:36,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:36" (1/1) ... [2024-11-09 01:22:36,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:22:37,083 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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c[1174,1187] [2024-11-09 01:22:37,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:37,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:22:37,784 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_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.6.prop1-func-interl.c[1174,1187] [2024-11-09 01:22:38,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:38,085 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:22:38,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38 WrapperNode [2024-11-09 01:22:38,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:38,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:38,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:22:38,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:22:38,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,406 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3240 [2024-11-09 01:22:38,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:38,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:22:38,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:22:38,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:22:38,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:22:38,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:22:38,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:22:38,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:22:38,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:38,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:22:38,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:22:38,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:22:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:22:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:22:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:22:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:22:39,516 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:22:39,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:22:44,800 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-09 01:22:44,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:22:44,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:22:44,814 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:22:44,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:44 BoogieIcfgContainer [2024-11-09 01:22:44,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:22:44,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:22:44,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:22:44,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:22:44,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:22:36" (1/3) ... [2024-11-09 01:22:44,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7da10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:44, skipping insertion in model container [2024-11-09 01:22:44,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38" (2/3) ... [2024-11-09 01:22:44,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7da10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:44, skipping insertion in model container [2024-11-09 01:22:44,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:44" (3/3) ... [2024-11-09 01:22:44,829 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.6.prop1-func-interl.c [2024-11-09 01:22:44,851 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:22:44,852 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:22:44,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:22:44,939 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;@41fb1aa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:22:44,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:22:44,944 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 01:22:44,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 01:22:44,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:44,953 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 01:22:44,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:44,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:44,963 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 01:22:44,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:22:44,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342252947] [2024-11-09 01:22:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:44,982 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 01:22:44,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:22:44,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 01:22:44,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 01:22:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:45,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 01:22:45,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:22:46,310 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 01:22:46,310 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:22:46,311 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:22:46,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342252947] [2024-11-09 01:22:46,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342252947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:46,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:46,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:22:46,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126810029] [2024-11-09 01:22:46,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:46,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:22:46,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:22:46,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:22:46,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:22:46,351 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 01:22:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:46,748 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 01:22:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:22:46,751 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 01:22:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:46,761 INFO L225 Difference]: With dead ends: 19 [2024-11-09 01:22:46,761 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 01:22:46,764 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 01:22:46,770 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:46,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:22:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 01:22:46,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 01:22:46,801 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 01:22:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 01:22:46,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 01:22:46,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:46,804 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 01:22:46,804 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 01:22:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 01:22:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:22:46,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:46,806 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:46,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 01:22:47,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 01:22:47,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:47,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:47,011 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 01:22:47,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:22:47,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615351061] [2024-11-09 01:22:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:47,014 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 01:22:47,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:22:47,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 01:22:47,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df2e9c6-f900-40b6-8fdf-bce6321f4f66/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 01:22:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:48,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 01:22:48,306 INFO L278 TraceCheckSpWp]: Computing forward predicates...