./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/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_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/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_eea90927-7ea3-41b3-926d-7eb99849c68d/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 c731daa9be4602bbaf682197912299f4e2a258e8c89021777da0bb7d7dc973f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:27:24,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:27:24,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:27:24,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:27:24,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:27:24,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:27:24,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:27:24,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:27:24,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:27:24,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:27:24,596 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:27:24,597 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:27:24,597 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:27:24,598 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:27:24,598 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:27:24,601 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:27:24,601 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:27:24,602 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:27:24,602 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:27:24,602 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:27:24,603 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:27:24,608 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:27:24,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:27:24,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:27:24,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:27:24,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:27:24,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:27:24,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:27:24,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:27:24,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:27:24,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:27:24,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:27:24,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:27:24,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:27:24,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:27:24,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:27:24,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:27:24,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:27:24,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:27:24,627 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:27:24,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:27:24,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:27:24,628 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:27:24,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:27:24,629 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_eea90927-7ea3-41b3-926d-7eb99849c68d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c731daa9be4602bbaf682197912299f4e2a258e8c89021777da0bb7d7dc973f8 [2024-11-09 05:27:24,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:27:25,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:27:25,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:27:25,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:27:25,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:27:25,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:27:27,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:27:27,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:27:27,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c [2024-11-09 05:27:27,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data/58c59e61c/858d788ab66a403a9e203dfd0f16c69c/FLAG497eeffa3 [2024-11-09 05:27:27,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data/58c59e61c/858d788ab66a403a9e203dfd0f16c69c [2024-11-09 05:27:27,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:27:27,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:27:27,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:27:27,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:27:27,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:27:27,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:27:27" (1/1) ... [2024-11-09 05:27:27,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e11898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:27, skipping insertion in model container [2024-11-09 05:27:27,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:27:27" (1/1) ... [2024-11-09 05:27:27,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:27:28,161 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_eea90927-7ea3-41b3-926d-7eb99849c68d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1173,1186] [2024-11-09 05:27:28,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:27:28,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:27:28,967 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_eea90927-7ea3-41b3-926d-7eb99849c68d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1173,1186] [2024-11-09 05:27:29,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:27:29,298 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:27:29,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29 WrapperNode [2024-11-09 05:27:29,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:27:29,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:27:29,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:27:29,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:27:29,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:29,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:30,628 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8766 [2024-11-09 05:27:30,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:27:30,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:27:30,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:27:30,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:27:30,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:30,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:30,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:30,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:31,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:31,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:31,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:31,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:31,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:27:31,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:27:31,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:27:31,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:27:31,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (1/1) ... [2024-11-09 05:27:31,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:27:31,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:27:31,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:27:31,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:27:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:27:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:27:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:27:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:27:32,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:27:32,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:27:45,042 INFO L? ?]: Removed 4975 outVars from TransFormulas that were not future-live. [2024-11-09 05:27:45,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:28:02,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:28:02,730 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:28:02,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:02 BoogieIcfgContainer [2024-11-09 05:28:02,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:28:02,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:28:02,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:28:02,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:28:02,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:27:27" (1/3) ... [2024-11-09 05:28:02,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ba247e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:28:02, skipping insertion in model container [2024-11-09 05:28:02,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:27:29" (2/3) ... [2024-11-09 05:28:02,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ba247e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:28:02, skipping insertion in model container [2024-11-09 05:28:02,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:02" (3/3) ... [2024-11-09 05:28:02,752 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.8.prop1-func-interl.c [2024-11-09 05:28:02,786 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:28:02,786 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:28:02,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:28:02,896 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;@428a6bf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:28:02,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:28:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:28:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:28:02,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:02,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:28:02,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:02,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash 435144162, now seen corresponding path program 1 times [2024-11-09 05:28:02,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109117821] [2024-11-09 05:28:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:02,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:28:04,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:28:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:28:05,573 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:28:05,576 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:28:05,577 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:28:05,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:28:05,586 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:28:05,643 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:28:05,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:28:05,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:28:05 BoogieIcfgContainer [2024-11-09 05:28:05,677 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:28:05,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:28:05,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:28:05,681 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:28:05,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:02" (3/4) ... [2024-11-09 05:28:05,685 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:28:05,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:28:05,690 INFO L158 Benchmark]: Toolchain (without parser) took 37944.71ms. Allocated memory was 144.7MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 106.6MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 611.5MB. Max. memory is 16.1GB. [2024-11-09 05:28:05,691 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 144.7MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:28:05,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.46ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 106.6MB in the beginning and 92.6MB in the end (delta: 14.0MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-11-09 05:28:05,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 1328.50ms. Allocated memory was 199.2MB in the beginning and 356.5MB in the end (delta: 157.3MB). Free memory was 92.6MB in the beginning and 155.5MB in the end (delta: -62.9MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2024-11-09 05:28:05,695 INFO L158 Benchmark]: Boogie Preprocessor took 1210.08ms. Allocated memory is still 356.5MB. Free memory was 155.5MB in the beginning and 106.2MB in the end (delta: 49.3MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2024-11-09 05:28:05,697 INFO L158 Benchmark]: RCFGBuilder took 30890.77ms. Allocated memory was 356.5MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 105.5MB in the beginning and 7.2GB in the end (delta: -7.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-09 05:28:05,698 INFO L158 Benchmark]: TraceAbstraction took 2940.41ms. Allocated memory is still 7.9GB. Free memory was 7.2GB in the beginning and 7.3GB in the end (delta: -126.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:28:05,699 INFO L158 Benchmark]: Witness Printer took 7.81ms. Allocated memory is still 7.9GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:28:05,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58ms. Allocated memory is still 144.7MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.46ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 106.6MB in the beginning and 92.6MB in the end (delta: 14.0MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1328.50ms. Allocated memory was 199.2MB in the beginning and 356.5MB in the end (delta: 157.3MB). Free memory was 92.6MB in the beginning and 155.5MB in the end (delta: -62.9MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1210.08ms. Allocated memory is still 356.5MB. Free memory was 155.5MB in the beginning and 106.2MB in the end (delta: 49.3MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. * RCFGBuilder took 30890.77ms. Allocated memory was 356.5MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 105.5MB in the beginning and 7.2GB in the end (delta: -7.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * TraceAbstraction took 2940.41ms. Allocated memory is still 7.9GB. Free memory was 7.2GB in the beginning and 7.3GB in the end (delta: -126.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.81ms. Allocated memory is still 7.9GB. Free memory was 7.3GB in the beginning and 7.3GB 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 236. 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_46 = 0; [L40] const SORT_4 var_99 = 1; [L41] const SORT_4 var_100 = 0; [L42] const SORT_2 var_114 = 0; [L43] const SORT_2 var_116 = 1; [L44] const SORT_3 var_141 = 0; [L45] const SORT_2 var_190 = 2; [L46] const SORT_2 var_192 = 3; [L47] const SORT_4 var_389 = 5; [L48] const SORT_2 var_401 = 5; [L49] const SORT_4 var_510 = 2; [L50] const SORT_4 var_555 = 3; [L51] const SORT_4 var_600 = 4; [L53] SORT_1 input_113; [L54] SORT_1 input_115; [L55] SORT_1 input_120; [L56] SORT_1 input_121; [L57] SORT_1 input_125; [L58] SORT_1 input_126; [L59] SORT_1 input_130; [L60] SORT_1 input_131; [L61] SORT_1 input_135; [L62] SORT_1 input_136; [L63] SORT_1 input_140; [L64] SORT_1 input_148; [L65] SORT_1 input_155; [L66] SORT_1 input_162; [L67] SORT_1 input_169; [L68] SORT_1 input_176; [L69] SORT_1 input_180; [L70] SORT_1 input_181; [L71] SORT_1 input_201; [L72] SORT_1 input_205; [L73] SORT_1 input_206; [L74] SORT_1 input_224; [L75] SORT_1 input_228; [L76] SORT_1 input_229; [L77] SORT_1 input_247; [L78] SORT_1 input_251; [L79] SORT_1 input_252; [L80] SORT_1 input_270; [L81] SORT_1 input_274; [L82] SORT_1 input_275; [L83] SORT_1 input_300; [L84] SORT_1 input_303; [L85] SORT_1 input_319; [L86] SORT_1 input_322; [L87] SORT_1 input_338; [L88] SORT_1 input_341; [L89] SORT_1 input_357; [L90] SORT_1 input_360; [L91] SORT_1 input_376; [L92] SORT_1 input_379; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] SORT_2 init_7_arg_1 = var_5; [L142] state_6 = init_7_arg_1 [L143] SORT_2 init_9_arg_1 = var_5; [L144] state_8 = init_9_arg_1 [L145] SORT_2 init_11_arg_1 = var_5; [L146] state_10 = init_11_arg_1 [L147] SORT_2 init_13_arg_1 = var_5; [L148] state_12 = init_13_arg_1 [L149] SORT_2 init_15_arg_1 = var_5; [L150] state_14 = init_15_arg_1 [L151] SORT_2 init_17_arg_1 = var_5; [L152] state_16 = init_17_arg_1 [L153] SORT_2 init_19_arg_1 = var_5; [L154] state_18 = init_19_arg_1 [L155] SORT_2 init_21_arg_1 = var_5; [L156] state_20 = init_21_arg_1 [L157] SORT_2 init_23_arg_1 = var_5; [L158] state_22 = init_23_arg_1 [L159] SORT_2 init_25_arg_1 = var_5; [L160] state_24 = init_25_arg_1 [L161] SORT_2 init_27_arg_1 = var_5; [L162] state_26 = init_27_arg_1 [L163] SORT_2 init_29_arg_1 = var_5; [L164] state_28 = init_29_arg_1 [L165] SORT_2 init_31_arg_1 = var_5; [L166] state_30 = init_31_arg_1 [L167] SORT_2 init_33_arg_1 = var_5; [L168] state_32 = init_33_arg_1 [L169] SORT_2 init_35_arg_1 = var_5; [L170] state_34 = init_35_arg_1 [L171] SORT_2 init_37_arg_1 = var_5; [L172] state_36 = init_37_arg_1 [L173] SORT_2 init_39_arg_1 = var_5; [L174] state_38 = init_39_arg_1 [L175] SORT_2 init_41_arg_1 = var_5; [L176] state_40 = init_41_arg_1 [L177] SORT_2 init_43_arg_1 = var_5; [L178] state_42 = init_43_arg_1 [L179] SORT_2 init_45_arg_1 = var_5; [L180] state_44 = init_45_arg_1 [L181] SORT_1 init_48_arg_1 = var_46; [L182] state_47 = init_48_arg_1 [L183] SORT_1 init_50_arg_1 = var_46; [L184] state_49 = init_50_arg_1 [L185] SORT_1 init_52_arg_1 = var_46; [L186] state_51 = init_52_arg_1 [L187] SORT_1 init_54_arg_1 = var_46; [L188] state_53 = init_54_arg_1 [L189] SORT_1 init_56_arg_1 = var_46; [L190] state_55 = init_56_arg_1 [L191] SORT_1 init_58_arg_1 = var_46; [L192] state_57 = init_58_arg_1 [L193] SORT_1 init_60_arg_1 = var_46; [L194] state_59 = init_60_arg_1 [L195] SORT_1 init_62_arg_1 = var_46; [L196] state_61 = init_62_arg_1 [L197] SORT_1 init_64_arg_1 = var_46; [L198] state_63 = init_64_arg_1 [L199] SORT_1 init_66_arg_1 = var_46; [L200] state_65 = init_66_arg_1 [L201] SORT_1 init_68_arg_1 = var_46; [L202] state_67 = init_68_arg_1 [L203] SORT_1 init_70_arg_1 = var_46; [L204] state_69 = init_70_arg_1 [L205] SORT_1 init_72_arg_1 = var_46; [L206] state_71 = init_72_arg_1 [L207] SORT_1 init_74_arg_1 = var_46; [L208] state_73 = init_74_arg_1 [L209] SORT_1 init_76_arg_1 = var_46; [L210] state_75 = init_76_arg_1 [L211] SORT_1 init_78_arg_1 = var_46; [L212] state_77 = init_78_arg_1 [L213] SORT_1 init_80_arg_1 = var_46; [L214] state_79 = init_80_arg_1 [L215] SORT_1 init_82_arg_1 = var_46; [L216] state_81 = init_82_arg_1 [L217] SORT_1 init_84_arg_1 = var_46; [L218] state_83 = init_84_arg_1 [L219] SORT_1 init_86_arg_1 = var_46; [L220] state_85 = init_86_arg_1 [L221] SORT_1 init_88_arg_1 = var_46; [L222] state_87 = init_88_arg_1 [L223] SORT_1 init_90_arg_1 = var_46; [L224] state_89 = init_90_arg_1 [L225] SORT_1 init_92_arg_1 = var_46; [L226] state_91 = init_92_arg_1 [L227] SORT_1 init_94_arg_1 = var_46; [L228] state_93 = init_94_arg_1 [L229] SORT_1 init_96_arg_1 = var_46; [L230] state_95 = init_96_arg_1 [L231] SORT_1 init_98_arg_1 = var_46; [L232] state_97 = init_98_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=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, var_100=0, var_114=0, var_116=1, var_141=0, var_190=2, var_192=3, var_389=5, var_401=5, var_510=2, var_555=3, var_600=4, var_99=1] [L235] input_113 = __VERIFIER_nondet_uchar() [L236] EXPR input_113 & mask_SORT_1 [L236] input_113 = input_113 & mask_SORT_1 [L237] input_115 = __VERIFIER_nondet_uchar() [L238] EXPR input_115 & mask_SORT_1 [L238] input_115 = input_115 & mask_SORT_1 [L239] input_120 = __VERIFIER_nondet_uchar() [L240] EXPR input_120 & mask_SORT_1 [L240] input_120 = input_120 & mask_SORT_1 [L241] input_121 = __VERIFIER_nondet_uchar() [L242] EXPR input_121 & mask_SORT_1 [L242] input_121 = input_121 & mask_SORT_1 [L243] input_125 = __VERIFIER_nondet_uchar() [L244] EXPR input_125 & mask_SORT_1 [L244] input_125 = input_125 & mask_SORT_1 [L245] input_126 = __VERIFIER_nondet_uchar() [L246] EXPR input_126 & mask_SORT_1 [L246] input_126 = input_126 & mask_SORT_1 [L247] input_130 = __VERIFIER_nondet_uchar() [L248] EXPR input_130 & mask_SORT_1 [L248] input_130 = input_130 & mask_SORT_1 [L249] input_131 = __VERIFIER_nondet_uchar() [L250] EXPR input_131 & mask_SORT_1 [L250] input_131 = input_131 & mask_SORT_1 [L251] input_135 = __VERIFIER_nondet_uchar() [L252] EXPR input_135 & mask_SORT_1 [L252] input_135 = input_135 & mask_SORT_1 [L253] input_136 = __VERIFIER_nondet_uchar() [L254] EXPR input_136 & mask_SORT_1 [L254] input_136 = input_136 & mask_SORT_1 [L255] input_140 = __VERIFIER_nondet_uchar() [L256] EXPR input_140 & mask_SORT_1 [L256] input_140 = input_140 & mask_SORT_1 [L257] input_148 = __VERIFIER_nondet_uchar() [L258] EXPR input_148 & mask_SORT_1 [L258] input_148 = input_148 & mask_SORT_1 [L259] input_155 = __VERIFIER_nondet_uchar() [L260] EXPR input_155 & mask_SORT_1 [L260] input_155 = input_155 & mask_SORT_1 [L261] input_162 = __VERIFIER_nondet_uchar() [L262] EXPR input_162 & mask_SORT_1 [L262] input_162 = input_162 & mask_SORT_1 [L263] input_169 = __VERIFIER_nondet_uchar() [L264] EXPR input_169 & mask_SORT_1 [L264] input_169 = input_169 & mask_SORT_1 [L265] input_176 = __VERIFIER_nondet_uchar() [L266] EXPR input_176 & mask_SORT_1 [L266] input_176 = input_176 & mask_SORT_1 [L267] input_180 = __VERIFIER_nondet_uchar() [L268] EXPR input_180 & mask_SORT_1 [L268] input_180 = input_180 & mask_SORT_1 [L269] input_181 = __VERIFIER_nondet_uchar() [L270] EXPR input_181 & mask_SORT_1 [L270] input_181 = input_181 & mask_SORT_1 [L271] input_201 = __VERIFIER_nondet_uchar() [L272] EXPR input_201 & mask_SORT_1 [L272] input_201 = input_201 & mask_SORT_1 [L273] input_205 = __VERIFIER_nondet_uchar() [L274] EXPR input_205 & mask_SORT_1 [L274] input_205 = input_205 & mask_SORT_1 [L275] input_206 = __VERIFIER_nondet_uchar() [L276] EXPR input_206 & mask_SORT_1 [L276] input_206 = input_206 & mask_SORT_1 [L277] input_224 = __VERIFIER_nondet_uchar() [L278] EXPR input_224 & mask_SORT_1 [L278] input_224 = input_224 & mask_SORT_1 [L279] input_228 = __VERIFIER_nondet_uchar() [L280] EXPR input_228 & mask_SORT_1 [L280] input_228 = input_228 & mask_SORT_1 [L281] input_229 = __VERIFIER_nondet_uchar() [L282] EXPR input_229 & mask_SORT_1 [L282] input_229 = input_229 & mask_SORT_1 [L283] input_247 = __VERIFIER_nondet_uchar() [L284] EXPR input_247 & mask_SORT_1 [L284] input_247 = input_247 & mask_SORT_1 [L285] input_251 = __VERIFIER_nondet_uchar() [L286] EXPR input_251 & mask_SORT_1 [L286] input_251 = input_251 & mask_SORT_1 [L287] input_252 = __VERIFIER_nondet_uchar() [L288] EXPR input_252 & mask_SORT_1 [L288] input_252 = input_252 & mask_SORT_1 [L289] input_270 = __VERIFIER_nondet_uchar() [L290] EXPR input_270 & mask_SORT_1 [L290] input_270 = input_270 & mask_SORT_1 [L291] input_274 = __VERIFIER_nondet_uchar() [L292] EXPR input_274 & mask_SORT_1 [L292] input_274 = input_274 & mask_SORT_1 [L293] input_275 = __VERIFIER_nondet_uchar() [L294] EXPR input_275 & mask_SORT_1 [L294] input_275 = input_275 & mask_SORT_1 [L295] input_300 = __VERIFIER_nondet_uchar() [L296] input_303 = __VERIFIER_nondet_uchar() [L297] input_319 = __VERIFIER_nondet_uchar() [L298] input_322 = __VERIFIER_nondet_uchar() [L299] input_338 = __VERIFIER_nondet_uchar() [L300] input_341 = __VERIFIER_nondet_uchar() [L301] input_357 = __VERIFIER_nondet_uchar() [L302] input_360 = __VERIFIER_nondet_uchar() [L303] input_376 = __VERIFIER_nondet_uchar() [L304] input_379 = __VERIFIER_nondet_uchar() [L307] SORT_1 var_101_arg_0 = state_55; [L308] SORT_4 var_101_arg_1 = var_99; [L309] SORT_4 var_101_arg_2 = var_100; [L310] SORT_4 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L311] SORT_1 var_102_arg_0 = state_65; [L312] SORT_4 var_102_arg_1 = var_99; [L313] SORT_4 var_102_arg_2 = var_100; [L314] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L315] SORT_4 var_103_arg_0 = var_101; [L316] SORT_4 var_103_arg_1 = var_102; [L317] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L318] SORT_1 var_104_arg_0 = state_75; [L319] SORT_4 var_104_arg_1 = var_99; [L320] SORT_4 var_104_arg_2 = var_100; [L321] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L322] SORT_4 var_105_arg_0 = var_103; [L323] SORT_4 var_105_arg_1 = var_104; [L324] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L325] SORT_1 var_106_arg_0 = state_85; [L326] SORT_4 var_106_arg_1 = var_99; [L327] SORT_4 var_106_arg_2 = var_100; [L328] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L329] SORT_4 var_107_arg_0 = var_105; [L330] SORT_4 var_107_arg_1 = var_106; [L331] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L332] SORT_1 var_108_arg_0 = state_95; [L333] SORT_4 var_108_arg_1 = var_99; [L334] SORT_4 var_108_arg_2 = var_100; [L335] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L336] SORT_4 var_109_arg_0 = var_107; [L337] SORT_4 var_109_arg_1 = var_108; [L338] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L339] EXPR var_109 & mask_SORT_4 [L339] var_109 = var_109 & mask_SORT_4 [L340] SORT_4 var_110_arg_0 = var_109; [L341] SORT_4 var_110_arg_1 = var_99; [L342] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L343] SORT_1 var_111_arg_0 = ~state_97; [L344] EXPR var_111_arg_0 & mask_SORT_1 [L344] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L345] SORT_1 var_111_arg_1 = ~var_110; [L346] EXPR var_111_arg_1 & mask_SORT_1 [L346] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L347] EXPR var_111_arg_0 & var_111_arg_1 [L347] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L348] EXPR var_111 & mask_SORT_1 [L348] var_111 = var_111 & mask_SORT_1 [L349] SORT_1 bad_112_arg_0 = var_111; [L350] CALL __VERIFIER_assert(!(bad_112_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: 2.7s, 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, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:28:05,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/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_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/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_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/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_eea90927-7ea3-41b3-926d-7eb99849c68d/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 c731daa9be4602bbaf682197912299f4e2a258e8c89021777da0bb7d7dc973f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:28:08,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:28:09,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:28:09,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:28:09,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:28:09,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:28:09,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:28:09,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:28:09,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:28:09,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:28:09,105 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:28:09,105 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:28:09,105 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:28:09,106 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:28:09,108 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:28:09,109 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:28:09,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:28:09,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:28:09,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:28:09,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:28:09,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:28:09,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:28:09,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:28:09,118 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:28:09,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:28:09,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:28:09,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:28:09,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:28:09,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:28:09,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:28:09,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:28:09,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:28:09,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:28:09,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:28:09,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:28:09,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:28:09,125 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:28:09,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:28:09,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:28:09,126 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:28:09,126 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_eea90927-7ea3-41b3-926d-7eb99849c68d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c731daa9be4602bbaf682197912299f4e2a258e8c89021777da0bb7d7dc973f8 [2024-11-09 05:28:09,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:28:09,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:28:09,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:28:09,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:28:09,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:28:09,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:28:12,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:28:12,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:28:12,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c [2024-11-09 05:28:12,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data/ec534ae36/9f24d637e79f41cd9189b7d3525401a9/FLAGd7785c536 [2024-11-09 05:28:13,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/data/ec534ae36/9f24d637e79f41cd9189b7d3525401a9 [2024-11-09 05:28:13,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:28:13,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:28:13,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:28:13,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:28:13,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:28:13,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:28:13" (1/1) ... [2024-11-09 05:28:13,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef37113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:13, skipping insertion in model container [2024-11-09 05:28:13,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:28:13" (1/1) ... [2024-11-09 05:28:13,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:28:13,771 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_eea90927-7ea3-41b3-926d-7eb99849c68d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1173,1186] [2024-11-09 05:28:14,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:28:14,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:28:14,499 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_eea90927-7ea3-41b3-926d-7eb99849c68d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1173,1186] [2024-11-09 05:28:14,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:28:14,816 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:28:14,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14 WrapperNode [2024-11-09 05:28:14,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:28:14,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:28:14,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:28:14,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:28:14,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:14,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,036 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2830 [2024-11-09 05:28:15,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:28:15,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:28:15,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:28:15,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:28:15,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:28:15,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:28:15,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:28:15,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:28:15,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (1/1) ... [2024-11-09 05:28:15,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:28:15,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:28:15,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:28:15,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:28:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:28:15,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:28:15,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:28:19,796 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-09 05:28:19,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:28:19,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:28:19,808 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:28:19,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:19 BoogieIcfgContainer [2024-11-09 05:28:19,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:28:19,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:28:19,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:28:19,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:28:19,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:28:13" (1/3) ... [2024-11-09 05:28:19,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f7f2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:28:19, skipping insertion in model container [2024-11-09 05:28:19,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:14" (2/3) ... [2024-11-09 05:28:19,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f7f2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:28:19, skipping insertion in model container [2024-11-09 05:28:19,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:19" (3/3) ... [2024-11-09 05:28:19,819 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.8.prop1-func-interl.c [2024-11-09 05:28:19,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:28:19,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:28:19,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:28:19,912 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;@3143ad77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:28:19,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:28:19,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:28:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:28:19,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:19,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:28:19,922 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:19,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:19,927 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:28:19,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:28:19,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448427814] [2024-11-09 05:28:19,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:19,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:28:19,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:28:19,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:28:19,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:28:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:20,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 05:28:20,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:28:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:28:21,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:28:21,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:28:21,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448427814] [2024-11-09 05:28:21,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448427814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:28:21,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:28:21,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:28:21,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574488628] [2024-11-09 05:28:21,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:28:21,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:28:21,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:28:21,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:28:21,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:28:21,248 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:28:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:28:21,561 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 05:28:21,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:28:21,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 05:28:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:28:21,571 INFO L225 Difference]: With dead ends: 19 [2024-11-09 05:28:21,571 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 05:28:21,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:28:21,576 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:28:21,577 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 05:28:21,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 05:28:21,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 05:28:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:28:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:28:21,603 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:28:21,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:28:21,603 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:28:21,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:28:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:28:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:28:21,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:21,605 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:28:21,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:28:21,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:28:21,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:21,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:21,810 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:28:21,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:28:21,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197654512] [2024-11-09 05:28:21,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:21,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:28:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:28:21,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:28:21,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea90927-7ea3-41b3-926d-7eb99849c68d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:28:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:22,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 05:28:22,994 INFO L278 TraceCheckSpWp]: Computing forward predicates...