./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.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_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 8b2cebfd30bb80947843dfc485bc12a12956abbe0fa2bfe95cb4ca30a42cf9dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:47:30,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:47:30,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:47:30,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:47:30,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:47:30,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:47:30,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:47:30,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:47:30,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:47:30,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:47:30,246 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:47:30,259 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:47:30,260 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:47:30,260 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:47:30,260 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:47:30,261 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:47:30,264 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:47:30,265 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:47:30,265 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:47:30,265 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:47:30,266 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:47:30,266 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:47:30,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:47:30,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:47:30,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:47:30,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:47:30,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:47:30,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:47:30,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:47:30,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:47:30,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:47:30,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:47:30,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:47:30,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:47:30,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:47:30,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:47:30,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:47:30,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:47:30,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:47:30,278 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:47:30,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:47:30,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:47:30,280 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:47:30,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:47:30,280 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_c215f02d-0f77-4a52-acf1-1519a890aaf5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b2cebfd30bb80947843dfc485bc12a12956abbe0fa2bfe95cb4ca30a42cf9dc [2024-11-09 06:47:30,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:47:30,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:47:30,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:47:30,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:47:30,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:47:30,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:47:32,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:47:33,033 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:47:33,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c [2024-11-09 06:47:33,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data/e666e75c6/93c5d010f56443ccb783bffed0114dad/FLAGe7b954648 [2024-11-09 06:47:33,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data/e666e75c6/93c5d010f56443ccb783bffed0114dad [2024-11-09 06:47:33,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:47:33,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:47:33,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:47:33,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:47:33,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:47:33,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799616f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33, skipping insertion in model container [2024-11-09 06:47:33,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:47:33,465 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_c215f02d-0f77-4a52-acf1-1519a890aaf5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c[1175,1188] [2024-11-09 06:47:34,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:47:34,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:47:34,156 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_c215f02d-0f77-4a52-acf1-1519a890aaf5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c[1175,1188] [2024-11-09 06:47:34,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:47:34,363 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:47:34,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34 WrapperNode [2024-11-09 06:47:34,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:47:34,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:47:34,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:47:34,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:47:34,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:34,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:35,618 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8455 [2024-11-09 06:47:35,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:47:35,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:47:35,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:47:35,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:47:35,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:35,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:35,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:35,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:36,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:36,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:36,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:36,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:36,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:47:36,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:47:36,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:47:36,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:47:36,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (1/1) ... [2024-11-09 06:47:36,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:47:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:47:36,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:47:36,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:47:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:47:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:47:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:47:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:47:37,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:47:37,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:47:49,550 INFO L? ?]: Removed 4788 outVars from TransFormulas that were not future-live. [2024-11-09 06:47:49,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:48:06,464 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:48:06,464 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:48:06,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:06 BoogieIcfgContainer [2024-11-09 06:48:06,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:48:06,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:48:06,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:48:06,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:48:06,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:47:33" (1/3) ... [2024-11-09 06:48:06,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d205368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:06, skipping insertion in model container [2024-11-09 06:48:06,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:34" (2/3) ... [2024-11-09 06:48:06,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d205368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:06, skipping insertion in model container [2024-11-09 06:48:06,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:06" (3/3) ... [2024-11-09 06:48:06,474 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.7.prop1-func-interl.c [2024-11-09 06:48:06,494 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:48:06,495 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:48:06,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:48:06,571 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;@2aeeef65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:48:06,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:48:06,575 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 06:48:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:48:06,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:06,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:48:06,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:06,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:06,588 INFO L85 PathProgramCache]: Analyzing trace with hash 417697207, now seen corresponding path program 1 times [2024-11-09 06:48:06,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:48:06,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288763647] [2024-11-09 06:48:06,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:06,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:48:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:48:07,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:48:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:48:08,056 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:48:08,058 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:48:08,059 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:48:08,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:48:08,066 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:48:08,109 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:48:08,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:48:08,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:48:08 BoogieIcfgContainer [2024-11-09 06:48:08,140 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:48:08,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:48:08,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:48:08,143 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:48:08,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:06" (3/4) ... [2024-11-09 06:48:08,146 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:48:08,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:48:08,148 INFO L158 Benchmark]: Toolchain (without parser) took 35067.97ms. Allocated memory was 172.0MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 139.8MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 790.2MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,149 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:48:08,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.80ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 69.2MB in the end (delta: 70.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 1254.23ms. Allocated memory was 172.0MB in the beginning and 310.4MB in the end (delta: 138.4MB). Free memory was 69.2MB in the beginning and 119.3MB in the end (delta: -50.1MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,151 INFO L158 Benchmark]: Boogie Preprocessor took 1284.46ms. Allocated memory was 310.4MB in the beginning and 620.8MB in the end (delta: 310.4MB). Free memory was 119.3MB in the beginning and 369.4MB in the end (delta: -250.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,153 INFO L158 Benchmark]: RCFGBuilder took 29560.04ms. Allocated memory was 620.8MB in the beginning and 7.4GB in the end (delta: 6.8GB). Free memory was 369.4MB in the beginning and 6.8GB in the end (delta: -6.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-09 06:48:08,154 INFO L158 Benchmark]: TraceAbstraction took 1672.76ms. Allocated memory is still 7.4GB. Free memory was 6.8GB in the beginning and 6.6GB in the end (delta: 169.9MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,154 INFO L158 Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 7.4GB. Free memory is still 6.6GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:48:08,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.80ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 69.2MB in the end (delta: 70.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1254.23ms. Allocated memory was 172.0MB in the beginning and 310.4MB in the end (delta: 138.4MB). Free memory was 69.2MB in the beginning and 119.3MB in the end (delta: -50.1MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1284.46ms. Allocated memory was 310.4MB in the beginning and 620.8MB in the end (delta: 310.4MB). Free memory was 119.3MB in the beginning and 369.4MB in the end (delta: -250.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * RCFGBuilder took 29560.04ms. Allocated memory was 620.8MB in the beginning and 7.4GB in the end (delta: 6.8GB). Free memory was 369.4MB in the beginning and 6.8GB in the end (delta: -6.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * TraceAbstraction took 1672.76ms. Allocated memory is still 7.4GB. Free memory was 6.8GB in the beginning and 6.6GB in the end (delta: 169.9MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. * Witness Printer took 6.14ms. Allocated memory is still 7.4GB. Free memory is still 6.6GB. 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 232. 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_3 var_140 = 0; [L44] const SORT_2 var_145 = 4; [L45] const SORT_2 var_151 = 3; [L46] const SORT_2 var_157 = 2; [L47] const SORT_2 var_163 = 1; [L48] const SORT_4 var_191 = 2; [L49] const SORT_4 var_208 = 3; [L50] const SORT_4 var_225 = 4; [L51] const SORT_4 var_403 = 5; [L52] const SORT_2 var_431 = 5; [L54] SORT_1 input_113; [L55] SORT_1 input_115; [L56] SORT_1 input_119; [L57] SORT_1 input_120; [L58] SORT_1 input_124; [L59] SORT_1 input_125; [L60] SORT_1 input_129; [L61] SORT_1 input_130; [L62] SORT_1 input_134; [L63] SORT_1 input_135; [L64] SORT_1 input_139; [L65] SORT_1 input_146; [L66] SORT_1 input_152; [L67] SORT_1 input_158; [L68] SORT_1 input_164; [L69] SORT_1 input_242; [L70] SORT_1 input_245; [L71] SORT_1 input_249; [L72] SORT_1 input_256; [L73] SORT_1 input_259; [L74] SORT_1 input_263; [L75] SORT_1 input_270; [L76] SORT_1 input_273; [L77] SORT_1 input_277; [L78] SORT_1 input_284; [L79] SORT_1 input_287; [L80] SORT_1 input_291; [L81] SORT_1 input_298; [L82] SORT_1 input_301; [L83] SORT_1 input_305; [L84] SORT_1 input_315; [L85] SORT_1 input_333; [L86] SORT_1 input_351; [L87] SORT_1 input_369; [L88] SORT_1 input_387; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_2 init_7_arg_1 = var_5; [L138] state_6 = init_7_arg_1 [L139] SORT_2 init_9_arg_1 = var_5; [L140] state_8 = init_9_arg_1 [L141] SORT_2 init_11_arg_1 = var_5; [L142] state_10 = init_11_arg_1 [L143] SORT_2 init_13_arg_1 = var_5; [L144] state_12 = init_13_arg_1 [L145] SORT_2 init_15_arg_1 = var_5; [L146] state_14 = init_15_arg_1 [L147] SORT_2 init_17_arg_1 = var_5; [L148] state_16 = init_17_arg_1 [L149] SORT_2 init_19_arg_1 = var_5; [L150] state_18 = init_19_arg_1 [L151] SORT_2 init_21_arg_1 = var_5; [L152] state_20 = init_21_arg_1 [L153] SORT_2 init_23_arg_1 = var_5; [L154] state_22 = init_23_arg_1 [L155] SORT_2 init_25_arg_1 = var_5; [L156] state_24 = init_25_arg_1 [L157] SORT_2 init_27_arg_1 = var_5; [L158] state_26 = init_27_arg_1 [L159] SORT_2 init_29_arg_1 = var_5; [L160] state_28 = init_29_arg_1 [L161] SORT_2 init_31_arg_1 = var_5; [L162] state_30 = init_31_arg_1 [L163] SORT_2 init_33_arg_1 = var_5; [L164] state_32 = init_33_arg_1 [L165] SORT_2 init_35_arg_1 = var_5; [L166] state_34 = init_35_arg_1 [L167] SORT_2 init_37_arg_1 = var_5; [L168] state_36 = init_37_arg_1 [L169] SORT_2 init_39_arg_1 = var_5; [L170] state_38 = init_39_arg_1 [L171] SORT_2 init_41_arg_1 = var_5; [L172] state_40 = init_41_arg_1 [L173] SORT_2 init_43_arg_1 = var_5; [L174] state_42 = init_43_arg_1 [L175] SORT_2 init_45_arg_1 = var_5; [L176] state_44 = init_45_arg_1 [L177] SORT_1 init_48_arg_1 = var_46; [L178] state_47 = init_48_arg_1 [L179] SORT_1 init_50_arg_1 = var_46; [L180] state_49 = init_50_arg_1 [L181] SORT_1 init_52_arg_1 = var_46; [L182] state_51 = init_52_arg_1 [L183] SORT_1 init_54_arg_1 = var_46; [L184] state_53 = init_54_arg_1 [L185] SORT_1 init_56_arg_1 = var_46; [L186] state_55 = init_56_arg_1 [L187] SORT_1 init_58_arg_1 = var_46; [L188] state_57 = init_58_arg_1 [L189] SORT_1 init_60_arg_1 = var_46; [L190] state_59 = init_60_arg_1 [L191] SORT_1 init_62_arg_1 = var_46; [L192] state_61 = init_62_arg_1 [L193] SORT_1 init_64_arg_1 = var_46; [L194] state_63 = init_64_arg_1 [L195] SORT_1 init_66_arg_1 = var_46; [L196] state_65 = init_66_arg_1 [L197] SORT_1 init_68_arg_1 = var_46; [L198] state_67 = init_68_arg_1 [L199] SORT_1 init_70_arg_1 = var_46; [L200] state_69 = init_70_arg_1 [L201] SORT_1 init_72_arg_1 = var_46; [L202] state_71 = init_72_arg_1 [L203] SORT_1 init_74_arg_1 = var_46; [L204] state_73 = init_74_arg_1 [L205] SORT_1 init_76_arg_1 = var_46; [L206] state_75 = init_76_arg_1 [L207] SORT_1 init_78_arg_1 = var_46; [L208] state_77 = init_78_arg_1 [L209] SORT_1 init_80_arg_1 = var_46; [L210] state_79 = init_80_arg_1 [L211] SORT_1 init_82_arg_1 = var_46; [L212] state_81 = init_82_arg_1 [L213] SORT_1 init_84_arg_1 = var_46; [L214] state_83 = init_84_arg_1 [L215] SORT_1 init_86_arg_1 = var_46; [L216] state_85 = init_86_arg_1 [L217] SORT_1 init_88_arg_1 = var_46; [L218] state_87 = init_88_arg_1 [L219] SORT_1 init_90_arg_1 = var_46; [L220] state_89 = init_90_arg_1 [L221] SORT_1 init_92_arg_1 = var_46; [L222] state_91 = init_92_arg_1 [L223] SORT_1 init_94_arg_1 = var_46; [L224] state_93 = init_94_arg_1 [L225] SORT_1 init_96_arg_1 = var_46; [L226] state_95 = init_96_arg_1 [L227] SORT_1 init_98_arg_1 = var_46; [L228] 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_140=0, var_145=4, var_151=3, var_157=2, var_163=1, var_191=2, var_208=3, var_225=4, var_403=5, var_431=5, var_99=1] [L231] input_113 = __VERIFIER_nondet_uchar() [L232] EXPR input_113 & mask_SORT_1 [L232] input_113 = input_113 & mask_SORT_1 [L233] input_115 = __VERIFIER_nondet_uchar() [L234] EXPR input_115 & mask_SORT_1 [L234] input_115 = input_115 & mask_SORT_1 [L235] input_119 = __VERIFIER_nondet_uchar() [L236] EXPR input_119 & mask_SORT_1 [L236] input_119 = input_119 & mask_SORT_1 [L237] input_120 = __VERIFIER_nondet_uchar() [L238] EXPR input_120 & mask_SORT_1 [L238] input_120 = input_120 & mask_SORT_1 [L239] input_124 = __VERIFIER_nondet_uchar() [L240] EXPR input_124 & mask_SORT_1 [L240] input_124 = input_124 & mask_SORT_1 [L241] input_125 = __VERIFIER_nondet_uchar() [L242] EXPR input_125 & mask_SORT_1 [L242] input_125 = input_125 & mask_SORT_1 [L243] input_129 = __VERIFIER_nondet_uchar() [L244] EXPR input_129 & mask_SORT_1 [L244] input_129 = input_129 & mask_SORT_1 [L245] input_130 = __VERIFIER_nondet_uchar() [L246] EXPR input_130 & mask_SORT_1 [L246] input_130 = input_130 & mask_SORT_1 [L247] input_134 = __VERIFIER_nondet_uchar() [L248] EXPR input_134 & mask_SORT_1 [L248] input_134 = input_134 & mask_SORT_1 [L249] input_135 = __VERIFIER_nondet_uchar() [L250] EXPR input_135 & mask_SORT_1 [L250] input_135 = input_135 & mask_SORT_1 [L251] input_139 = __VERIFIER_nondet_uchar() [L252] EXPR input_139 & mask_SORT_1 [L252] input_139 = input_139 & mask_SORT_1 [L253] input_146 = __VERIFIER_nondet_uchar() [L254] EXPR input_146 & mask_SORT_1 [L254] input_146 = input_146 & mask_SORT_1 [L255] input_152 = __VERIFIER_nondet_uchar() [L256] EXPR input_152 & mask_SORT_1 [L256] input_152 = input_152 & mask_SORT_1 [L257] input_158 = __VERIFIER_nondet_uchar() [L258] EXPR input_158 & mask_SORT_1 [L258] input_158 = input_158 & mask_SORT_1 [L259] input_164 = __VERIFIER_nondet_uchar() [L260] EXPR input_164 & mask_SORT_1 [L260] input_164 = input_164 & mask_SORT_1 [L261] input_242 = __VERIFIER_nondet_uchar() [L262] EXPR input_242 & mask_SORT_1 [L262] input_242 = input_242 & mask_SORT_1 [L263] input_245 = __VERIFIER_nondet_uchar() [L264] EXPR input_245 & mask_SORT_1 [L264] input_245 = input_245 & mask_SORT_1 [L265] input_249 = __VERIFIER_nondet_uchar() [L266] EXPR input_249 & mask_SORT_1 [L266] input_249 = input_249 & mask_SORT_1 [L267] input_256 = __VERIFIER_nondet_uchar() [L268] EXPR input_256 & mask_SORT_1 [L268] input_256 = input_256 & mask_SORT_1 [L269] input_259 = __VERIFIER_nondet_uchar() [L270] EXPR input_259 & mask_SORT_1 [L270] input_259 = input_259 & mask_SORT_1 [L271] input_263 = __VERIFIER_nondet_uchar() [L272] EXPR input_263 & mask_SORT_1 [L272] input_263 = input_263 & mask_SORT_1 [L273] input_270 = __VERIFIER_nondet_uchar() [L274] EXPR input_270 & mask_SORT_1 [L274] input_270 = input_270 & mask_SORT_1 [L275] input_273 = __VERIFIER_nondet_uchar() [L276] EXPR input_273 & mask_SORT_1 [L276] input_273 = input_273 & mask_SORT_1 [L277] input_277 = __VERIFIER_nondet_uchar() [L278] EXPR input_277 & mask_SORT_1 [L278] input_277 = input_277 & mask_SORT_1 [L279] input_284 = __VERIFIER_nondet_uchar() [L280] EXPR input_284 & mask_SORT_1 [L280] input_284 = input_284 & mask_SORT_1 [L281] input_287 = __VERIFIER_nondet_uchar() [L282] EXPR input_287 & mask_SORT_1 [L282] input_287 = input_287 & mask_SORT_1 [L283] input_291 = __VERIFIER_nondet_uchar() [L284] EXPR input_291 & mask_SORT_1 [L284] input_291 = input_291 & mask_SORT_1 [L285] input_298 = __VERIFIER_nondet_uchar() [L286] EXPR input_298 & mask_SORT_1 [L286] input_298 = input_298 & mask_SORT_1 [L287] input_301 = __VERIFIER_nondet_uchar() [L288] EXPR input_301 & mask_SORT_1 [L288] input_301 = input_301 & mask_SORT_1 [L289] input_305 = __VERIFIER_nondet_uchar() [L290] EXPR input_305 & mask_SORT_1 [L290] input_305 = input_305 & mask_SORT_1 [L291] input_315 = __VERIFIER_nondet_uchar() [L292] input_333 = __VERIFIER_nondet_uchar() [L293] input_351 = __VERIFIER_nondet_uchar() [L294] input_369 = __VERIFIER_nondet_uchar() [L295] input_387 = __VERIFIER_nondet_uchar() [L298] SORT_1 var_101_arg_0 = state_49; [L299] SORT_4 var_101_arg_1 = var_99; [L300] SORT_4 var_101_arg_2 = var_100; [L301] SORT_4 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L302] SORT_1 var_102_arg_0 = state_59; [L303] SORT_4 var_102_arg_1 = var_99; [L304] SORT_4 var_102_arg_2 = var_100; [L305] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L306] SORT_4 var_103_arg_0 = var_101; [L307] SORT_4 var_103_arg_1 = var_102; [L308] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L309] SORT_1 var_104_arg_0 = state_69; [L310] SORT_4 var_104_arg_1 = var_99; [L311] SORT_4 var_104_arg_2 = var_100; [L312] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L313] SORT_4 var_105_arg_0 = var_103; [L314] SORT_4 var_105_arg_1 = var_104; [L315] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L316] SORT_1 var_106_arg_0 = state_79; [L317] SORT_4 var_106_arg_1 = var_99; [L318] SORT_4 var_106_arg_2 = var_100; [L319] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L320] SORT_4 var_107_arg_0 = var_105; [L321] SORT_4 var_107_arg_1 = var_106; [L322] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L323] SORT_1 var_108_arg_0 = state_89; [L324] SORT_4 var_108_arg_1 = var_99; [L325] SORT_4 var_108_arg_2 = var_100; [L326] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L327] SORT_4 var_109_arg_0 = var_107; [L328] SORT_4 var_109_arg_1 = var_108; [L329] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L330] EXPR var_109 & mask_SORT_4 [L330] var_109 = var_109 & mask_SORT_4 [L331] SORT_4 var_110_arg_0 = var_109; [L332] SORT_4 var_110_arg_1 = var_99; [L333] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L334] SORT_1 var_111_arg_0 = ~state_97; [L335] EXPR var_111_arg_0 & mask_SORT_1 [L335] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L336] SORT_1 var_111_arg_1 = ~var_110; [L337] EXPR var_111_arg_1 & mask_SORT_1 [L337] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L338] EXPR var_111_arg_0 & var_111_arg_1 [L338] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L339] EXPR var_111 & mask_SORT_1 [L339] var_111 = var_111 & mask_SORT_1 [L340] SORT_1 bad_112_arg_0 = var_111; [L341] 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: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s 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 06:48:08,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 8b2cebfd30bb80947843dfc485bc12a12956abbe0fa2bfe95cb4ca30a42cf9dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:48:10,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:48:10,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:48:10,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:48:10,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:48:10,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:48:10,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:48:10,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:48:10,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:48:10,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:48:10,817 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:48:10,818 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:48:10,818 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:48:10,818 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:48:10,819 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:48:10,819 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:48:10,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:48:10,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:48:10,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:48:10,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:48:10,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:48:10,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:48:10,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:48:10,824 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:48:10,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:48:10,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:48:10,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:48:10,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:48:10,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:48:10,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:48:10,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:48:10,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:48:10,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:48:10,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:48:10,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:48:10,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:48:10,828 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:48:10,828 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:48:10,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:48:10,841 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:48:10,841 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_c215f02d-0f77-4a52-acf1-1519a890aaf5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b2cebfd30bb80947843dfc485bc12a12956abbe0fa2bfe95cb4ca30a42cf9dc [2024-11-09 06:48:11,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:48:11,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:48:11,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:48:11,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:48:11,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:48:11,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:48:13,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:48:13,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:48:13,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c [2024-11-09 06:48:13,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data/381be75db/00a9df5e3861481f890c2a9e4d7519eb/FLAGbfc178860 [2024-11-09 06:48:13,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/data/381be75db/00a9df5e3861481f890c2a9e4d7519eb [2024-11-09 06:48:13,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:48:13,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:48:13,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:48:13,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:48:13,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:48:13,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:48:13" (1/1) ... [2024-11-09 06:48:13,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b469b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:13, skipping insertion in model container [2024-11-09 06:48:13,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:48:13" (1/1) ... [2024-11-09 06:48:14,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:48:14,309 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_c215f02d-0f77-4a52-acf1-1519a890aaf5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c[1175,1188] [2024-11-09 06:48:14,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:48:14,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:48:14,831 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_c215f02d-0f77-4a52-acf1-1519a890aaf5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-func-interl.c[1175,1188] [2024-11-09 06:48:15,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:48:15,057 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:48:15,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15 WrapperNode [2024-11-09 06:48:15,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:48:15,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:48:15,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:48:15,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:48:15,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,324 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2759 [2024-11-09 06:48:15,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:48:15,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:48:15,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:48:15,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:48:15,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:48:15,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:48:15,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:48:15,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:48:15,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:48:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:48:15,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:48:15,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:48:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:48:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:48:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:48:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:48:16,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:48:16,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:48:20,014 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-09 06:48:20,014 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:48:20,027 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:48:20,027 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:48:20,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:20 BoogieIcfgContainer [2024-11-09 06:48:20,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:48:20,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:48:20,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:48:20,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:48:20,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:48:13" (1/3) ... [2024-11-09 06:48:20,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7872527c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:20, skipping insertion in model container [2024-11-09 06:48:20,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (2/3) ... [2024-11-09 06:48:20,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7872527c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:20, skipping insertion in model container [2024-11-09 06:48:20,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:20" (3/3) ... [2024-11-09 06:48:20,039 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.7.prop1-func-interl.c [2024-11-09 06:48:20,057 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:48:20,058 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:48:20,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:48:20,134 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;@41f920fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:48:20,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:48:20,138 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 06:48:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:48:20,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:20,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:48:20,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 06:48:20,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:48:20,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454894686] [2024-11-09 06:48:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:20,179 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 06:48:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:48:20,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 06:48:20,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 06:48:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:20,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 06:48:20,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:21,397 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 06:48:21,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:48:21,398 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:48:21,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454894686] [2024-11-09 06:48:21,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454894686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:48:21,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:48:21,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:48:21,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364340842] [2024-11-09 06:48:21,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:48:21,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:48:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:48:21,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:48:21,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:48:21,433 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 06:48:21,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:48:21,814 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 06:48:21,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:48:21,818 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 06:48:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:48:21,825 INFO L225 Difference]: With dead ends: 19 [2024-11-09 06:48:21,825 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 06:48:21,828 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 06:48:21,833 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 06:48:21,834 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 06:48:21,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 06:48:21,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 06:48:21,864 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 06:48:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 06:48:21,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 06:48:21,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:48:21,867 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 06:48:21,867 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 06:48:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 06:48:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:48:21,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:21,869 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 06:48:21,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 06:48:22,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 06:48:22,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:22,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:22,073 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 06:48:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:48:22,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239770393] [2024-11-09 06:48:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:22,076 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 06:48:22,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:48:22,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 06:48:22,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c215f02d-0f77-4a52-acf1-1519a890aaf5/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 06:48:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:23,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 06:48:23,291 INFO L278 TraceCheckSpWp]: Computing forward predicates...