./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88496ec3210a5723a03ab5253cab858d8ff6d0015d0efa08455eb7e9de9c26ba --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:07:49,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:07:49,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:07:49,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:07:49,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:07:49,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:07:49,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:07:49,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:07:49,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:07:49,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:07:49,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:07:49,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:07:49,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:07:49,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:07:49,482 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:07:49,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:07:49,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:07:49,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:07:49,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:07:49,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:07:49,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:07:49,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:07:49,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:07:49,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:07:49,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:07:49,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:07:49,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:07:49,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:07:49,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:07:49,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:07:49,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:07:49,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:07:49,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:07:49,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:07:49,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:07:49,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:07:49,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:07:49,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:07:49,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:07:49,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:07:49,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:07:49,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:07:49,505 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88496ec3210a5723a03ab5253cab858d8ff6d0015d0efa08455eb7e9de9c26ba [2024-11-08 16:07:49,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:07:49,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:07:49,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:07:49,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:07:49,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:07:49,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/eca-rers2012/Problem09_label36.c Unable to find full path for "g++" [2024-11-08 16:07:51,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:07:55,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:07:55,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/sv-benchmarks/c/eca-rers2012/Problem09_label36.c [2024-11-08 16:07:55,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/data/588715290/59abba27d7ac4963889deeb45c7f49c7/FLAG2da6edd49 [2024-11-08 16:07:55,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/data/588715290/59abba27d7ac4963889deeb45c7f49c7 [2024-11-08 16:07:55,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:07:55,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:07:55,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:07:55,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:07:55,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:07:55,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:07:55" (1/1) ... [2024-11-08 16:07:55,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3430563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:55, skipping insertion in model container [2024-11-08 16:07:55,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:07:55" (1/1) ... [2024-11-08 16:07:57,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:08:24,839 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_f996d76a-37ce-491c-9b0e-d1fed8aed222/sv-benchmarks/c/eca-rers2012/Problem09_label36.c[6301349,6301362] [2024-11-08 16:08:24,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:08:24,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:08:40,984 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_f996d76a-37ce-491c-9b0e-d1fed8aed222/sv-benchmarks/c/eca-rers2012/Problem09_label36.c[6301349,6301362] [2024-11-08 16:08:40,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:08:46,353 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:08:46,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46 WrapperNode [2024-11-08 16:08:46,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:08:46,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:08:46,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:08:46,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:08:46,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:47,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:53,729 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197892 [2024-11-08 16:08:53,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:08:53,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:08:53,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:08:53,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:08:53,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:53,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:54,703 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:56,289 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:08:56,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:56,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:58,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:59,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:59,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:08:59,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:09:01,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:09:01,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:09:01,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:09:01,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:09:01,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (1/1) ... [2024-11-08 16:09:01,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:09:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:09:01,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:09:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f996d76a-37ce-491c-9b0e-d1fed8aed222/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:09:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:09:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:09:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:09:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:09:01,405 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:09:01,407 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:10:57,908 INFO L? ?]: Removed 16399 outVars from TransFormulas that were not future-live. [2024-11-08 16:10:57,909 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:10:58,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:10:58,167 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:10:58,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:58 BoogieIcfgContainer [2024-11-08 16:10:58,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:10:58,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:10:58,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:10:58,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:10:58,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:07:55" (1/3) ... [2024-11-08 16:10:58,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505d79cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:10:58, skipping insertion in model container [2024-11-08 16:10:58,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:46" (2/3) ... [2024-11-08 16:10:58,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505d79cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:10:58, skipping insertion in model container [2024-11-08 16:10:58,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:58" (3/3) ... [2024-11-08 16:10:58,184 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label36.c [2024-11-08 16:10:58,207 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:10:58,207 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:10:58,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:10:58,652 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=PETRI_NET, 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;@759aa0b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:10:58,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:10:58,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 20356 states, 20354 states have (on average 1.902525302151911) internal successors, (38724), 20355 states have internal predecessors, (38724), 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)