./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU --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 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:01,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:01,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:08:01,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:01,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:02,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:02,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:02,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:02,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:02,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:02,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:02,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:02,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:02,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:02,049 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:02,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:02,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:02,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:02,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:02,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:02,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:02,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:02,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:02,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:02,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:02,056 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:02,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:02,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:02,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:02,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:02,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:02,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:02,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:02,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:02,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:02,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:02,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:02,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:02,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:02,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:02,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:02,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:02,066 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_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 [2024-10-31 22:08:02,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:02,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:02,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:02,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:02,418 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:02,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i Unable to find full path for "g++" [2024-10-31 22:08:04,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:04,868 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:04,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i [2024-10-31 22:08:04,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data/88de4f2de/8e3b22e886524f6e94121278ecd56ad7/FLAG6f21020dd [2024-10-31 22:08:04,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data/88de4f2de/8e3b22e886524f6e94121278ecd56ad7 [2024-10-31 22:08:04,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:04,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:04,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:04,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:04,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:04,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:04" (1/1) ... [2024-10-31 22:08:04,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1888a881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:04, skipping insertion in model container [2024-10-31 22:08:04,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:04" (1/1) ... [2024-10-31 22:08:04,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:05,144 WARN L251 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_3a456470-2a42-4cbe-848f-80332f2a9412/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2024-10-31 22:08:05,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:05,208 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:05,218 WARN L251 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_3a456470-2a42-4cbe-848f-80332f2a9412/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2024-10-31 22:08:05,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:05,276 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:05,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05 WrapperNode [2024-10-31 22:08:05,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:05,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:05,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:05,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:05,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,342 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-10-31 22:08:05,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:05,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:05,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:05,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:05,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,383 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]. [2024-10-31 22:08:05,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:05,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:05,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:05,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:05,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (1/1) ... [2024-10-31 22:08:05,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:05,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:05,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:05,582 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:05,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:05,962 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:05,963 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:05,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:05,983 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:05,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:05 BoogieIcfgContainer [2024-10-31 22:08:05,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:05,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:05,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:05,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:05,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:04" (1/3) ... [2024-10-31 22:08:05,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d72f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:05, skipping insertion in model container [2024-10-31 22:08:05,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:05" (2/3) ... [2024-10-31 22:08:05,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d72f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:05, skipping insertion in model container [2024-10-31 22:08:05,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:05" (3/3) ... [2024-10-31 22:08:05,994 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-2.i [2024-10-31 22:08:06,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:06,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:06,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:06,087 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;@7782980e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:06,087 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:08:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 22:08:06,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:06,105 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:06,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:06,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1703130952, now seen corresponding path program 1 times [2024-10-31 22:08:06,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:06,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117913010] [2024-10-31 22:08:06,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:06,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:08:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:08:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:08:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:08:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:08:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:08:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:08:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:08:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:08:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:08:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:08:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:08:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-31 22:08:06,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:06,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117913010] [2024-10-31 22:08:06,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117913010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:06,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:06,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:06,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864857861] [2024-10-31 22:08:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:06,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:08:06,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:06,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:08:06,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:06,543 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:08:06,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:06,574 INFO L93 Difference]: Finished difference Result 97 states and 158 transitions. [2024-10-31 22:08:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:08:06,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-10-31 22:08:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:06,586 INFO L225 Difference]: With dead ends: 97 [2024-10-31 22:08:06,586 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 22:08:06,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:06,594 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:06,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:06,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 22:08:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-31 22:08:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:08:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-10-31 22:08:06,654 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 81 [2024-10-31 22:08:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:06,655 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-10-31 22:08:06,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:08:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-10-31 22:08:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 22:08:06,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:06,660 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:06,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:06,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:06,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2104728188, now seen corresponding path program 1 times [2024-10-31 22:08:06,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:06,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137328950] [2024-10-31 22:08:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:08:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:08:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:08:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:08:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:08:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:08:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:08:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:08:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:08:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:08:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:08:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:08:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-31 22:08:08,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:08,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137328950] [2024-10-31 22:08:08,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137328950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:08,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:08,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:08,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839060277] [2024-10-31 22:08:08,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:08,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:08,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:08,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:08,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:08,039 INFO L87 Difference]: Start difference. First operand 47 states and 66 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-31 22:08:09,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:09,148 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2024-10-31 22:08:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:09,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2024-10-31 22:08:09,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:09,153 INFO L225 Difference]: With dead ends: 110 [2024-10-31 22:08:09,155 INFO L226 Difference]: Without dead ends: 66 [2024-10-31 22:08:09,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:09,157 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 22 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:09,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 139 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:08:09,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-31 22:08:09,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2024-10-31 22:08:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:08:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2024-10-31 22:08:09,176 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 81 [2024-10-31 22:08:09,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:09,178 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2024-10-31 22:08:09,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-31 22:08:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2024-10-31 22:08:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 22:08:09,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:09,182 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:09,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:08:09,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:09,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1510180738, now seen corresponding path program 1 times [2024-10-31 22:08:09,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:09,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997370632] [2024-10-31 22:08:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:09,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:08:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:08:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:08:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:08:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:08:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:08:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:08:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:08:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:08:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:08:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:08:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:08:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-31 22:08:09,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:09,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997370632] [2024-10-31 22:08:09,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997370632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:09,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:09,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:08:09,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955842863] [2024-10-31 22:08:09,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:09,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:08:09,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:09,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:08:09,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:09,583 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-31 22:08:10,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:10,234 INFO L93 Difference]: Finished difference Result 118 states and 167 transitions. [2024-10-31 22:08:10,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:10,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2024-10-31 22:08:10,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:10,237 INFO L225 Difference]: With dead ends: 118 [2024-10-31 22:08:10,238 INFO L226 Difference]: Without dead ends: 66 [2024-10-31 22:08:10,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:08:10,240 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 22 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:10,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 308 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:08:10,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-31 22:08:10,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2024-10-31 22:08:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:08:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 65 transitions. [2024-10-31 22:08:10,252 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 65 transitions. Word has length 81 [2024-10-31 22:08:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:10,253 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 65 transitions. [2024-10-31 22:08:10,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-31 22:08:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-10-31 22:08:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-31 22:08:10,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:10,259 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:10,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:08:10,259 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:10,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:10,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1629032461, now seen corresponding path program 1 times [2024-10-31 22:08:10,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:10,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195871130] [2024-10-31 22:08:10,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:10,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:08:10,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155189059] [2024-10-31 22:08:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:10,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:10,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:10,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:08:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:08:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:10,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:10,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:10,535 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:08:10,536 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:08:10,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:08:10,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:10,743 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:08:10,828 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:08:10,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:08:10 BoogieIcfgContainer [2024-10-31 22:08:10,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:08:10,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:10,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:10,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:10,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:05" (3/4) ... [2024-10-31 22:08:10,837 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:08:10,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:10,839 INFO L158 Benchmark]: Toolchain (without parser) took 5937.29ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 103.7MB in the beginning and 54.3MB in the end (delta: 49.4MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:10,840 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:10,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.08ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 88.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:08:10,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.17ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 85.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:08:10,841 INFO L158 Benchmark]: Boogie Preprocessor took 60.49ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 80.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:08:10,841 INFO L158 Benchmark]: RCFGBuilder took 579.73ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 60.6MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:08:10,842 INFO L158 Benchmark]: TraceAbstraction took 4846.14ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 54.3MB in the end (delta: 5.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:10,842 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 172.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:10,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.08ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 88.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.17ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 85.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.49ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 80.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 579.73ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 60.6MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4846.14ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 54.3MB in the end (delta: 5.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 172.0MB. Free memory is still 54.3MB. 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: 19]: 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 someBinaryFLOATComparisonOperation at line 89, overapproximation of someUnaryDOUBLEoperation at line 29. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned short int var_1_5 = 200; [L24] unsigned short int var_1_6 = 56955; [L25] unsigned short int var_1_7 = 32; [L26] unsigned short int var_1_8 = 1; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 1; [L29] float var_1_11 = -0.6; [L30] float var_1_12 = 9.125; [L31] float var_1_13 = 50.5; [L32] unsigned short int last_1_var_1_1 = 10; [L33] unsigned short int last_1_var_1_9 = 8; VAL [isInitial=0, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=200, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L85] last_1_var_1_1 = var_1_1 [L86] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=200, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L96] RET updateLastVariables() [L97] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L66] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L66] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L67] var_1_6 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L68] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L69] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L69] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L70] var_1_7 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_8=1, var_1_9=8] [L71] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_8=1, var_1_9=8] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=1, var_1_9=8] [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=1, var_1_9=8] [L73] var_1_8 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_9=8] [L74] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L75] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L76] var_1_10 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L77] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L78] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L79] var_1_12 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L80] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L81] var_1_13 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L82] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L97] RET updateVariables() [L98] CALL step() [L37] COND TRUE last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1) [L38] var_1_1 = ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=8] [L40] COND FALSE !(var_1_10 || (var_1_6 == var_1_8)) [L51] var_1_9 = var_1_6 VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] [L53] COND FALSE !(var_1_7 != var_1_6) [L60] var_1_11 = var_1_12 VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] [L89] EXPR (var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] [L89-L90] return (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)))) && ((var_1_7 != var_1_6) ? ((var_1_7 <= var_1_9) ? (var_1_11 == ((float) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_11 == ((float) var_1_12))) : (var_1_11 == ((float) var_1_12))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=-32769, var_1_8=32768, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 513 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 305 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 208 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 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 [2024-10-31 22:08:10,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU --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 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:13,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:13,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:08:13,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:13,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:13,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:13,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:13,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:13,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:13,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:13,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:13,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:13,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:13,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:13,574 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:13,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:13,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:13,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:13,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:13,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:13,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:13,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:13,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:13,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:08:13,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:08:13,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:13,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:08:13,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:13,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:13,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:13,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:13,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:13,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:13,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:13,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:13,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:13,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:13,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:13,583 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:08:13,583 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:08:13,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:13,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:13,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:13,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:13,584 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:08:13,585 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_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 [2024-10-31 22:08:14,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:14,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:14,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:14,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:14,051 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:14,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i Unable to find full path for "g++" [2024-10-31 22:08:16,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:16,742 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:16,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i [2024-10-31 22:08:16,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data/a0d34e2b1/fcc2158f8ed14f1c84d0c70dcb4f6211/FLAG2b941b9f6 [2024-10-31 22:08:16,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/data/a0d34e2b1/fcc2158f8ed14f1c84d0c70dcb4f6211 [2024-10-31 22:08:16,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:16,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:16,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:16,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:16,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:16,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea5db26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16, skipping insertion in model container [2024-10-31 22:08:16,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:17,100 WARN L251 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_3a456470-2a42-4cbe-848f-80332f2a9412/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2024-10-31 22:08:17,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:17,265 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:17,282 WARN L251 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_3a456470-2a42-4cbe-848f-80332f2a9412/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2024-10-31 22:08:17,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:17,366 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:17,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17 WrapperNode [2024-10-31 22:08:17,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:17,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:17,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:17,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:17,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,430 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-10-31 22:08:17,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:17,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:17,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:17,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:17,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,488 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]. [2024-10-31 22:08:17,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:17,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:17,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:17,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:17,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (1/1) ... [2024-10-31 22:08:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:17,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:17,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:17,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:08:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:17,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:17,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:18,092 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:18,093 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:18,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:18,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:18,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:18 BoogieIcfgContainer [2024-10-31 22:08:18,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:18,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:18,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:18,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:18,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:16" (1/3) ... [2024-10-31 22:08:18,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0ae03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:18, skipping insertion in model container [2024-10-31 22:08:18,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:17" (2/3) ... [2024-10-31 22:08:18,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0ae03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:18, skipping insertion in model container [2024-10-31 22:08:18,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:18" (3/3) ... [2024-10-31 22:08:18,133 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-2.i [2024-10-31 22:08:18,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:18,153 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:18,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:18,227 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;@3dc73ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:18,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:08:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:08:18,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:18,249 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:18,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:18,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:18,258 INFO L85 PathProgramCache]: Analyzing trace with hash -475101046, now seen corresponding path program 1 times [2024-10-31 22:08:18,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:08:18,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456423520] [2024-10-31 22:08:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:18,285 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 [2024-10-31 22:08:18,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:08:18,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:08:18,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:08:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:18,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:08:18,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-10-31 22:08:18,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:08:18,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:08:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456423520] [2024-10-31 22:08:18,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456423520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:18,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:18,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:18,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718018671] [2024-10-31 22:08:18,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:18,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:08:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:08:18,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:08:18,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:18,605 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:08:18,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:18,649 INFO L93 Difference]: Finished difference Result 81 states and 134 transitions. [2024-10-31 22:08:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:08:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-10-31 22:08:18,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:18,661 INFO L225 Difference]: With dead ends: 81 [2024-10-31 22:08:18,662 INFO L226 Difference]: Without dead ends: 40 [2024-10-31 22:08:18,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:18,674 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:18,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:18,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-31 22:08:18,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-31 22:08:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:08:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2024-10-31 22:08:18,735 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 57 transitions. Word has length 79 [2024-10-31 22:08:18,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:18,735 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 57 transitions. [2024-10-31 22:08:18,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:08:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-10-31 22:08:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:08:18,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:18,741 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:18,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:08:18,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:08:18,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:18,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:18,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2098690894, now seen corresponding path program 1 times [2024-10-31 22:08:18,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:08:18,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169503831] [2024-10-31 22:08:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:18,948 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 [2024-10-31 22:08:18,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:08:18,975 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:08:18,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a456470-2a42-4cbe-848f-80332f2a9412/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:08:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:19,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:08:19,163 INFO L278 TraceCheckSpWp]: Computing forward predicates...