./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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_57218589-895d-4d39-b2a7-655ff7a88238/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 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:27:04,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:27:04,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:27:04,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:27:04,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:27:04,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:27:04,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:27:04,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:27:04,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:27:04,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:27:04,181 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:27:04,181 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:27:04,182 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:27:04,182 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:27:04,183 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:27:04,183 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:27:04,184 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:27:04,184 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:27:04,185 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:27:04,185 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:27:04,186 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:27:04,187 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:27:04,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:27:04,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:27:04,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:27:04,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:27:04,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:27:04,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:27:04,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:27:04,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:27:04,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:27:04,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:27:04,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:27:04,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:27:04,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:27:04,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:27:04,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:27:04,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:27:04,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:27:04,195 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:27:04,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:27:04,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:27:04,196 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:27:04,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:27:04,197 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_57218589-895d-4d39-b2a7-655ff7a88238/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e [2024-11-09 06:27:04,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:27:04,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:27:04,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:27:04,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:27:04,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:27:04,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:27:07,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:27:07,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:27:07,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2024-11-09 06:27:07,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data/07f351d42/513ab54b1a9046f4bb3e3e8824f43c05/FLAGfe930e336 [2024-11-09 06:27:07,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data/07f351d42/513ab54b1a9046f4bb3e3e8824f43c05 [2024-11-09 06:27:07,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:27:07,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:27:07,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:27:07,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:27:07,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:27:07,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:27:07" (1/1) ... [2024-11-09 06:27:07,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f25d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:07, skipping insertion in model container [2024-11-09 06:27:07,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:27:07" (1/1) ... [2024-11-09 06:27:07,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:27:08,232 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_57218589-895d-4d39-b2a7-655ff7a88238/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c[1170,1183] [2024-11-09 06:27:09,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:27:09,043 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:27:09,056 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_57218589-895d-4d39-b2a7-655ff7a88238/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c[1170,1183] [2024-11-09 06:27:09,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:27:09,426 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:27:09,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09 WrapperNode [2024-11-09 06:27:09,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:27:09,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:27:09,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:27:09,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:27:09,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:09,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:11,430 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10706 [2024-11-09 06:27:11,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:27:11,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:27:11,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:27:11,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:27:11,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:11,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:12,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:12,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:12,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:13,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:13,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:13,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:13,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:27:13,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:27:13,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:27:13,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:27:13,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (1/1) ... [2024-11-09 06:27:13,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:27:13,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:27:13,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:27:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:27:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:27:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:27:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:27:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:27:14,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:27:14,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:27:36,955 INFO L? ?]: Removed 6076 outVars from TransFormulas that were not future-live. [2024-11-09 06:27:36,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:28:04,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:28:04,685 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:28:04,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:04 BoogieIcfgContainer [2024-11-09 06:28:04,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:28:04,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:28:04,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:28:04,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:28:04,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:27:07" (1/3) ... [2024-11-09 06:28:04,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a963ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:28:04, skipping insertion in model container [2024-11-09 06:28:04,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:27:09" (2/3) ... [2024-11-09 06:28:04,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a963ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:28:04, skipping insertion in model container [2024-11-09 06:28:04,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:04" (3/3) ... [2024-11-09 06:28:04,696 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c [2024-11-09 06:28:04,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:28:04,717 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:28:04,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:28:04,795 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;@2a1ad7c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:28:04,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:28:04,801 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 06:28:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:28:04,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:04,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:28:04,811 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:04,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:04,819 INFO L85 PathProgramCache]: Analyzing trace with hash 550050358, now seen corresponding path program 1 times [2024-11-09 06:28:04,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:28:04,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378834713] [2024-11-09 06:28:04,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:04,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:28:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:28:06,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:28:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:28:07,082 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:28:07,084 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:28:07,087 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:28:07,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:28:07,095 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:28:07,157 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:28:07,187 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:28:07,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:28:07 BoogieIcfgContainer [2024-11-09 06:28:07,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:28:07,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:28:07,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:28:07,192 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:28:07,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:04" (3/4) ... [2024-11-09 06:28:07,197 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:28:07,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:28:07,201 INFO L158 Benchmark]: Toolchain (without parser) took 59515.75ms. Allocated memory was 140.5MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 97.9MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 616.4MB. Max. memory is 16.1GB. [2024-11-09 06:28:07,202 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 140.5MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:28:07,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1738.84ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 97.6MB in the beginning and 97.4MB in the end (delta: 126.2kB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-11-09 06:28:07,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 2003.19ms. Allocated memory was 195.0MB in the beginning and 625.0MB in the end (delta: 429.9MB). Free memory was 97.4MB in the beginning and 384.1MB in the end (delta: -286.6MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2024-11-09 06:28:07,205 INFO L158 Benchmark]: Boogie Preprocessor took 1966.94ms. Allocated memory is still 625.0MB. Free memory was 384.1MB in the beginning and 304.4MB in the end (delta: 79.7MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-11-09 06:28:07,207 INFO L158 Benchmark]: RCFGBuilder took 51284.33ms. Allocated memory was 625.0MB in the beginning and 9.3GB in the end (delta: 8.7GB). Free memory was 304.4MB in the beginning and 8.4GB in the end (delta: -8.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-09 06:28:07,209 INFO L158 Benchmark]: TraceAbstraction took 2503.74ms. Allocated memory is still 9.3GB. Free memory was 8.4GB in the beginning and 8.6GB in the end (delta: -194.8MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. [2024-11-09 06:28:07,210 INFO L158 Benchmark]: Witness Printer took 7.26ms. Allocated memory is still 9.3GB. Free memory is still 8.6GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:28:07,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 140.5MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1738.84ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 97.6MB in the beginning and 97.4MB in the end (delta: 126.2kB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2003.19ms. Allocated memory was 195.0MB in the beginning and 625.0MB in the end (delta: 429.9MB). Free memory was 97.4MB in the beginning and 384.1MB in the end (delta: -286.6MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1966.94ms. Allocated memory is still 625.0MB. Free memory was 384.1MB in the beginning and 304.4MB in the end (delta: 79.7MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * RCFGBuilder took 51284.33ms. Allocated memory was 625.0MB in the beginning and 9.3GB in the end (delta: 8.7GB). Free memory was 304.4MB in the beginning and 8.4GB in the end (delta: -8.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * TraceAbstraction took 2503.74ms. Allocated memory is still 9.3GB. Free memory was 8.4GB in the beginning and 8.6GB in the end (delta: -194.8MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. * Witness Printer took 7.26ms. Allocated memory is still 9.3GB. Free memory is still 8.6GB. 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 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 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_31 = 0; [L37] const SORT_3 var_114 = 1; [L38] const SORT_3 var_115 = 0; [L39] const SORT_2 var_126 = 255; [L40] const SORT_2 var_128 = 0; [L41] const SORT_2 var_131 = 3; [L42] const SORT_2 var_135 = 2; [L43] const SORT_2 var_139 = 1; [L45] SORT_1 input_127; [L46] SORT_1 input_132; [L47] SORT_1 input_136; [L48] SORT_1 input_140; [L49] SORT_1 input_143; [L50] SORT_1 input_158; [L51] SORT_1 input_173; [L52] SORT_1 input_188; [L53] SORT_1 input_203; [L54] SORT_1 input_206; [L55] SORT_1 input_209; [L56] SORT_1 input_212; [L57] SORT_1 input_215; [L58] SORT_1 input_228; [L59] SORT_1 input_241; [L60] SORT_1 input_254; [L61] SORT_1 input_267; [L62] SORT_1 input_268; [L63] SORT_1 input_269; [L64] SORT_1 input_270; [L65] SORT_1 input_271; [L66] SORT_1 input_272; [L67] SORT_1 input_273; [L68] SORT_1 input_274; [L69] SORT_1 input_302; [L70] SORT_1 input_304; [L71] SORT_1 input_314; [L72] SORT_1 input_319; [L73] SORT_1 input_321; [L74] SORT_1 input_326; [L75] SORT_1 input_330; [L76] SORT_1 input_345; [L77] SORT_1 input_347; [L78] SORT_1 input_357; [L79] SORT_1 input_362; [L80] SORT_1 input_364; [L81] SORT_1 input_369; [L82] SORT_1 input_373; [L83] SORT_1 input_388; [L84] SORT_1 input_390; [L85] SORT_1 input_400; [L86] SORT_1 input_405; [L87] SORT_1 input_407; [L88] SORT_1 input_412; [L89] SORT_1 input_416; [L90] SORT_1 input_431; [L91] SORT_1 input_433; [L92] SORT_1 input_443; [L93] SORT_1 input_448; [L94] SORT_1 input_450; [L95] SORT_1 input_455; [L96] SORT_1 input_459; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] SORT_2 init_6_arg_1 = var_4; [L154] state_5 = init_6_arg_1 [L155] SORT_2 init_8_arg_1 = var_4; [L156] state_7 = init_8_arg_1 [L157] SORT_2 init_10_arg_1 = var_4; [L158] state_9 = init_10_arg_1 [L159] SORT_2 init_12_arg_1 = var_4; [L160] state_11 = init_12_arg_1 [L161] SORT_2 init_14_arg_1 = var_4; [L162] state_13 = init_14_arg_1 [L163] SORT_2 init_16_arg_1 = var_4; [L164] state_15 = init_16_arg_1 [L165] SORT_2 init_18_arg_1 = var_4; [L166] state_17 = init_18_arg_1 [L167] SORT_2 init_20_arg_1 = var_4; [L168] state_19 = init_20_arg_1 [L169] SORT_2 init_22_arg_1 = var_4; [L170] state_21 = init_22_arg_1 [L171] SORT_2 init_24_arg_1 = var_4; [L172] state_23 = init_24_arg_1 [L173] SORT_2 init_26_arg_1 = var_4; [L174] state_25 = init_26_arg_1 [L175] SORT_2 init_28_arg_1 = var_4; [L176] state_27 = init_28_arg_1 [L177] SORT_2 init_30_arg_1 = var_4; [L178] state_29 = init_30_arg_1 [L179] SORT_1 init_33_arg_1 = var_31; [L180] state_32 = init_33_arg_1 [L181] SORT_1 init_35_arg_1 = var_31; [L182] state_34 = init_35_arg_1 [L183] SORT_1 init_37_arg_1 = var_31; [L184] state_36 = init_37_arg_1 [L185] SORT_1 init_39_arg_1 = var_31; [L186] state_38 = init_39_arg_1 [L187] SORT_1 init_41_arg_1 = var_31; [L188] state_40 = init_41_arg_1 [L189] SORT_1 init_43_arg_1 = var_31; [L190] state_42 = init_43_arg_1 [L191] SORT_1 init_45_arg_1 = var_31; [L192] state_44 = init_45_arg_1 [L193] SORT_1 init_47_arg_1 = var_31; [L194] state_46 = init_47_arg_1 [L195] SORT_1 init_49_arg_1 = var_31; [L196] state_48 = init_49_arg_1 [L197] SORT_1 init_51_arg_1 = var_31; [L198] state_50 = init_51_arg_1 [L199] SORT_1 init_53_arg_1 = var_31; [L200] state_52 = init_53_arg_1 [L201] SORT_1 init_55_arg_1 = var_31; [L202] state_54 = init_55_arg_1 [L203] SORT_1 init_57_arg_1 = var_31; [L204] state_56 = init_57_arg_1 [L205] SORT_1 init_59_arg_1 = var_31; [L206] state_58 = init_59_arg_1 [L207] SORT_1 init_61_arg_1 = var_31; [L208] state_60 = init_61_arg_1 [L209] SORT_1 init_63_arg_1 = var_31; [L210] state_62 = init_63_arg_1 [L211] SORT_1 init_65_arg_1 = var_31; [L212] state_64 = init_65_arg_1 [L213] SORT_1 init_67_arg_1 = var_31; [L214] state_66 = init_67_arg_1 [L215] SORT_1 init_69_arg_1 = var_31; [L216] state_68 = init_69_arg_1 [L217] SORT_1 init_71_arg_1 = var_31; [L218] state_70 = init_71_arg_1 [L219] SORT_1 init_73_arg_1 = var_31; [L220] state_72 = init_73_arg_1 [L221] SORT_1 init_75_arg_1 = var_31; [L222] state_74 = init_75_arg_1 [L223] SORT_1 init_77_arg_1 = var_31; [L224] state_76 = init_77_arg_1 [L225] SORT_1 init_79_arg_1 = var_31; [L226] state_78 = init_79_arg_1 [L227] SORT_1 init_81_arg_1 = var_31; [L228] state_80 = init_81_arg_1 [L229] SORT_1 init_83_arg_1 = var_31; [L230] state_82 = init_83_arg_1 [L231] SORT_1 init_85_arg_1 = var_31; [L232] state_84 = init_85_arg_1 [L233] SORT_1 init_87_arg_1 = var_31; [L234] state_86 = init_87_arg_1 [L235] SORT_1 init_89_arg_1 = var_31; [L236] state_88 = init_89_arg_1 [L237] SORT_1 init_91_arg_1 = var_31; [L238] state_90 = init_91_arg_1 [L239] SORT_1 init_93_arg_1 = var_31; [L240] state_92 = init_93_arg_1 [L241] SORT_1 init_95_arg_1 = var_31; [L242] state_94 = init_95_arg_1 [L243] SORT_1 init_97_arg_1 = var_31; [L244] state_96 = init_97_arg_1 [L245] SORT_1 init_99_arg_1 = var_31; [L246] state_98 = init_99_arg_1 [L247] SORT_1 init_101_arg_1 = var_31; [L248] state_100 = init_101_arg_1 [L249] SORT_1 init_103_arg_1 = var_31; [L250] state_102 = init_103_arg_1 [L251] SORT_1 init_105_arg_1 = var_31; [L252] state_104 = init_105_arg_1 [L253] SORT_1 init_107_arg_1 = var_31; [L254] state_106 = init_107_arg_1 [L255] SORT_1 init_109_arg_1 = var_31; [L256] state_108 = init_109_arg_1 [L257] SORT_1 init_111_arg_1 = var_31; [L258] state_110 = init_111_arg_1 [L259] SORT_1 init_113_arg_1 = var_31; [L260] state_112 = init_113_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L263] input_127 = __VERIFIER_nondet_uchar() [L264] input_132 = __VERIFIER_nondet_uchar() [L265] input_136 = __VERIFIER_nondet_uchar() [L266] input_140 = __VERIFIER_nondet_uchar() [L267] input_143 = __VERIFIER_nondet_uchar() [L268] EXPR input_143 & mask_SORT_1 [L268] input_143 = input_143 & mask_SORT_1 [L269] input_158 = __VERIFIER_nondet_uchar() [L270] EXPR input_158 & mask_SORT_1 [L270] input_158 = input_158 & mask_SORT_1 [L271] input_173 = __VERIFIER_nondet_uchar() [L272] EXPR input_173 & mask_SORT_1 [L272] input_173 = input_173 & mask_SORT_1 [L273] input_188 = __VERIFIER_nondet_uchar() [L274] EXPR input_188 & mask_SORT_1 [L274] input_188 = input_188 & mask_SORT_1 [L275] input_203 = __VERIFIER_nondet_uchar() [L276] input_206 = __VERIFIER_nondet_uchar() [L277] input_209 = __VERIFIER_nondet_uchar() [L278] input_212 = __VERIFIER_nondet_uchar() [L279] input_215 = __VERIFIER_nondet_uchar() [L280] EXPR input_215 & mask_SORT_1 [L280] input_215 = input_215 & mask_SORT_1 [L281] input_228 = __VERIFIER_nondet_uchar() [L282] EXPR input_228 & mask_SORT_1 [L282] input_228 = input_228 & mask_SORT_1 [L283] input_241 = __VERIFIER_nondet_uchar() [L284] EXPR input_241 & mask_SORT_1 [L284] input_241 = input_241 & mask_SORT_1 [L285] input_254 = __VERIFIER_nondet_uchar() [L286] EXPR input_254 & mask_SORT_1 [L286] input_254 = input_254 & mask_SORT_1 [L287] input_267 = __VERIFIER_nondet_uchar() [L288] EXPR input_267 & mask_SORT_1 [L288] input_267 = input_267 & mask_SORT_1 [L289] input_268 = __VERIFIER_nondet_uchar() [L290] EXPR input_268 & mask_SORT_1 [L290] input_268 = input_268 & mask_SORT_1 [L291] input_269 = __VERIFIER_nondet_uchar() [L292] EXPR input_269 & mask_SORT_1 [L292] input_269 = input_269 & mask_SORT_1 [L293] input_270 = __VERIFIER_nondet_uchar() [L294] EXPR input_270 & mask_SORT_1 [L294] input_270 = input_270 & mask_SORT_1 [L295] input_271 = __VERIFIER_nondet_uchar() [L296] EXPR input_271 & mask_SORT_1 [L296] input_271 = input_271 & mask_SORT_1 [L297] input_272 = __VERIFIER_nondet_uchar() [L298] EXPR input_272 & mask_SORT_1 [L298] input_272 = input_272 & mask_SORT_1 [L299] input_273 = __VERIFIER_nondet_uchar() [L300] EXPR input_273 & mask_SORT_1 [L300] input_273 = input_273 & mask_SORT_1 [L301] input_274 = __VERIFIER_nondet_uchar() [L302] EXPR input_274 & mask_SORT_1 [L302] input_274 = input_274 & mask_SORT_1 [L303] input_302 = __VERIFIER_nondet_uchar() [L304] input_304 = __VERIFIER_nondet_uchar() [L305] input_314 = __VERIFIER_nondet_uchar() [L306] input_319 = __VERIFIER_nondet_uchar() [L307] input_321 = __VERIFIER_nondet_uchar() [L308] input_326 = __VERIFIER_nondet_uchar() [L309] input_330 = __VERIFIER_nondet_uchar() [L310] input_345 = __VERIFIER_nondet_uchar() [L311] input_347 = __VERIFIER_nondet_uchar() [L312] input_357 = __VERIFIER_nondet_uchar() [L313] input_362 = __VERIFIER_nondet_uchar() [L314] input_364 = __VERIFIER_nondet_uchar() [L315] input_369 = __VERIFIER_nondet_uchar() [L316] input_373 = __VERIFIER_nondet_uchar() [L317] input_388 = __VERIFIER_nondet_uchar() [L318] input_390 = __VERIFIER_nondet_uchar() [L319] input_400 = __VERIFIER_nondet_uchar() [L320] input_405 = __VERIFIER_nondet_uchar() [L321] input_407 = __VERIFIER_nondet_uchar() [L322] input_412 = __VERIFIER_nondet_uchar() [L323] input_416 = __VERIFIER_nondet_uchar() [L324] input_431 = __VERIFIER_nondet_uchar() [L325] input_433 = __VERIFIER_nondet_uchar() [L326] input_443 = __VERIFIER_nondet_uchar() [L327] input_448 = __VERIFIER_nondet_uchar() [L328] input_450 = __VERIFIER_nondet_uchar() [L329] input_455 = __VERIFIER_nondet_uchar() [L330] input_459 = __VERIFIER_nondet_uchar() [L333] SORT_1 var_116_arg_0 = state_44; [L334] SORT_3 var_116_arg_1 = var_114; [L335] SORT_3 var_116_arg_2 = var_115; [L336] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L337] SORT_1 var_117_arg_0 = state_64; [L338] SORT_3 var_117_arg_1 = var_114; [L339] SORT_3 var_117_arg_2 = var_115; [L340] SORT_3 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L341] SORT_3 var_118_arg_0 = var_116; [L342] SORT_3 var_118_arg_1 = var_117; [L343] SORT_3 var_118 = var_118_arg_0 + var_118_arg_1; [L344] SORT_1 var_119_arg_0 = state_84; [L345] SORT_3 var_119_arg_1 = var_114; [L346] SORT_3 var_119_arg_2 = var_115; [L347] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L348] SORT_3 var_120_arg_0 = var_118; [L349] SORT_3 var_120_arg_1 = var_119; [L350] SORT_3 var_120 = var_120_arg_0 + var_120_arg_1; [L351] SORT_1 var_121_arg_0 = state_104; [L352] SORT_3 var_121_arg_1 = var_114; [L353] SORT_3 var_121_arg_2 = var_115; [L354] SORT_3 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L355] SORT_3 var_122_arg_0 = var_120; [L356] SORT_3 var_122_arg_1 = var_121; [L357] SORT_3 var_122 = var_122_arg_0 + var_122_arg_1; [L358] EXPR var_122 & mask_SORT_3 [L358] var_122 = var_122 & mask_SORT_3 [L359] SORT_3 var_123_arg_0 = var_122; [L360] SORT_3 var_123_arg_1 = var_114; [L361] SORT_1 var_123 = var_123_arg_0 <= var_123_arg_1; [L362] SORT_1 var_124_arg_0 = ~state_112; [L363] EXPR var_124_arg_0 & mask_SORT_1 [L363] var_124_arg_0 = var_124_arg_0 & mask_SORT_1 [L364] SORT_1 var_124_arg_1 = ~var_123; [L365] EXPR var_124_arg_1 & mask_SORT_1 [L365] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L366] EXPR var_124_arg_0 & var_124_arg_1 [L366] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L367] EXPR var_124 & mask_SORT_1 [L367] var_124 = var_124 & mask_SORT_1 [L368] SORT_1 bad_125_arg_0 = var_124; [L369] CALL __VERIFIER_assert(!(bad_125_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: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s 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 06:28:07,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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_57218589-895d-4d39-b2a7-655ff7a88238/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 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:28:10,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:28:10,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:28:10,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:28:10,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:28:10,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:28:10,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:28:10,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:28:10,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:28:10,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:28:10,897 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:28:10,897 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:28:10,898 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:28:10,899 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:28:10,899 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:28:10,900 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:28:10,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:28:10,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:28:10,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:28:10,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:28:10,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:28:10,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:28:10,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:28:10,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:28:10,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:28:10,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:28:10,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:28:10,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:28:10,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:28:10,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:28:10,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:28:10,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:28:10,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:28:10,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:28:10,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:28:10,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:28:10,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:28:10,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:28:10,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:28:10,911 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:28:10,912 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_57218589-895d-4d39-b2a7-655ff7a88238/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e [2024-11-09 06:28:11,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:28:11,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:28:11,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:28:11,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:28:11,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:28:11,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:28:14,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:28:14,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:28:14,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2024-11-09 06:28:14,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data/880fce363/4cb0442590504a9c981e6df1e625e273/FLAG1266ff0b4 [2024-11-09 06:28:14,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/data/880fce363/4cb0442590504a9c981e6df1e625e273 [2024-11-09 06:28:14,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:28:14,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:28:14,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:28:14,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:28:14,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:28:14,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:28:14" (1/1) ... [2024-11-09 06:28:14,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c7b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:14, skipping insertion in model container [2024-11-09 06:28:14,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:28:14" (1/1) ... [2024-11-09 06:28:14,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:28:15,367 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_57218589-895d-4d39-b2a7-655ff7a88238/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c[1170,1183] [2024-11-09 06:28:16,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:28:16,100 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:28:16,119 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_57218589-895d-4d39-b2a7-655ff7a88238/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c[1170,1183] [2024-11-09 06:28:16,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:28:16,478 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:28:16,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16 WrapperNode [2024-11-09 06:28:16,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:28:16,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:28:16,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:28:16,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:28:16,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,758 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3206 [2024-11-09 06:28:16,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:28:16,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:28:16,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:28:16,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:28:16,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:17,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:28:17,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:28:17,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:28:17,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:28:17,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:17,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:28:17,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:28:17,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:28:17,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:28:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:28:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:28:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:28:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:28:18,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:28:18,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:28:24,215 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2024-11-09 06:28:24,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:28:24,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:28:24,233 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:28:24,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:24 BoogieIcfgContainer [2024-11-09 06:28:24,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:28:24,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:28:24,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:28:24,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:28:24,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:28:14" (1/3) ... [2024-11-09 06:28:24,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7c5d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:28:24, skipping insertion in model container [2024-11-09 06:28:24,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16" (2/3) ... [2024-11-09 06:28:24,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7c5d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:28:24, skipping insertion in model container [2024-11-09 06:28:24,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:24" (3/3) ... [2024-11-09 06:28:24,251 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c [2024-11-09 06:28:24,282 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:28:24,282 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:28:24,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:28:24,397 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;@b7d78a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:28:24,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:28:24,404 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 06:28:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:28:24,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:24,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:28:24,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:24,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:24,427 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 06:28:24,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:24,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007775534] [2024-11-09 06:28:24,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:24,454 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 06:28:24,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:24,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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 06:28:24,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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 06:28:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:25,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 06:28:25,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:26,202 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 06:28:26,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:28:26,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:26,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007775534] [2024-11-09 06:28:26,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007775534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:26,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:28:26,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:28:26,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849375232] [2024-11-09 06:28:26,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:26,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:28:26,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:28:26,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:28:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:28:26,254 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 06:28:26,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:26,621 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 06:28:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:28:26,625 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 06:28:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:26,635 INFO L225 Difference]: With dead ends: 19 [2024-11-09 06:28:26,635 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 06:28:26,638 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 06:28:26,643 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 06:28:26,644 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 06:28:26,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 06:28:26,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 06:28:26,681 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 06:28:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 06:28:26,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 06:28:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:26,685 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 06:28:26,685 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 06:28:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 06:28:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:28:26,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:26,687 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:26,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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 06:28:26,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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 06:28:26,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:26,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:26,894 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 06:28:26,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:26,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558780517] [2024-11-09 06:28:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:26,899 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 06:28:26,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:26,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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 06:28:26,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57218589-895d-4d39-b2a7-655ff7a88238/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 06:28:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:28,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-09 06:28:28,421 INFO L278 TraceCheckSpWp]: Computing forward predicates...