./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC --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 5092b9874183dfc38681d21126dd96b4ef139ca1702e11549aa108a46ad20342 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:13:26,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:13:26,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:13:26,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:13:26,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:13:26,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:13:26,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:13:26,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:13:26,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:13:26,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:13:26,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:13:26,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:13:26,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:13:26,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:13:26,983 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:13:26,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:13:26,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:13:26,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:26,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:26,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:26,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:13:26,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:13:26,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:13:26,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:13:26,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:13:26,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:13:26,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:13:26,989 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC 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 -> 5092b9874183dfc38681d21126dd96b4ef139ca1702e11549aa108a46ad20342 [2024-11-23 23:13:27,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:13:27,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:13:27,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:13:27,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:13:27,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:13:27,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i [2024-11-23 23:13:30,976 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/810bb0458/5a774c1c621c4b80b827585580aece24/FLAGdf376c8d2 [2024-11-23 23:13:31,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:13:31,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i [2024-11-23 23:13:31,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/810bb0458/5a774c1c621c4b80b827585580aece24/FLAGdf376c8d2 [2024-11-23 23:13:31,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/810bb0458/5a774c1c621c4b80b827585580aece24 [2024-11-23 23:13:31,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:13:31,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:13:31,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:13:31,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:13:31,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:13:31,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17868980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31, skipping insertion in model container [2024-11-23 23:13:31,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:13:31,582 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i[913,926] [2024-11-23 23:13:31,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:13:31,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:13:31,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i[913,926] [2024-11-23 23:13:31,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:13:31,789 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:13:31,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31 WrapperNode [2024-11-23 23:13:31,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:13:31,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:13:31,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:13:31,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:13:31,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,911 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-23 23:13:31,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:13:31,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:13:31,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:13:31,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:13:31,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,963 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:13:31,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:31,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:32,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:32,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:13:32,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:13:32,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:13:32,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:13:32,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (1/1) ... [2024-11-23 23:13:32,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:32,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:32,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:13:32,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:13:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:13:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:13:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:13:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:13:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:13:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:13:32,213 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:13:32,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:13:32,957 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-23 23:13:32,958 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:13:32,978 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:13:32,980 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:13:32,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:32 BoogieIcfgContainer [2024-11-23 23:13:32,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:13:32,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:13:32,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:13:32,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:13:32,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:13:31" (1/3) ... [2024-11-23 23:13:32,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388d08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:13:32, skipping insertion in model container [2024-11-23 23:13:32,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:31" (2/3) ... [2024-11-23 23:13:32,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388d08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:13:32, skipping insertion in model container [2024-11-23 23:13:32,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:32" (3/3) ... [2024-11-23 23:13:33,001 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-47.i [2024-11-23 23:13:33,024 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:13:33,027 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-47.i that has 2 procedures, 89 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:13:33,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:13:33,149 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;@4f5a1d39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:13:33,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:13:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 65 states have (on average 1.476923076923077) internal successors, (96), 66 states have internal predecessors, (96), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:13:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 23:13:33,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:33,176 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:33,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:33,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1126597033, now seen corresponding path program 1 times [2024-11-23 23:13:33,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:33,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776248699] [2024-11-23 23:13:33,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:33,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-23 23:13:33,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:33,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776248699] [2024-11-23 23:13:33,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776248699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:33,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821882230] [2024-11-23 23:13:33,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:33,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:33,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:33,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:33,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:13:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:34,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:13:34,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-23 23:13:34,084 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:34,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821882230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:34,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:34,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:13:34,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222384220] [2024-11-23 23:13:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:34,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:13:34,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:34,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:13:34,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:13:34,121 INFO L87 Difference]: Start difference. First operand has 89 states, 65 states have (on average 1.476923076923077) internal successors, (96), 66 states have internal predecessors, (96), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:13:34,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:34,172 INFO L93 Difference]: Finished difference Result 171 states and 291 transitions. [2024-11-23 23:13:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:13:34,175 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2024-11-23 23:13:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:34,186 INFO L225 Difference]: With dead ends: 171 [2024-11-23 23:13:34,186 INFO L226 Difference]: Without dead ends: 85 [2024-11-23 23:13:34,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:13:34,196 INFO L435 NwaCegarLoop]: 127 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, 127 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 [2024-11-23 23:13:34,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:13:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-23 23:13:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-23 23:13:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:13:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2024-11-23 23:13:34,250 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 140 [2024-11-23 23:13:34,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:34,251 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2024-11-23 23:13:34,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:13:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2024-11-23 23:13:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-23 23:13:34,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:34,256 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:34,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:13:34,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:13:34,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:34,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:34,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1816447203, now seen corresponding path program 1 times [2024-11-23 23:13:34,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:34,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045667374] [2024-11-23 23:13:34,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:34,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:13:35,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:35,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045667374] [2024-11-23 23:13:35,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045667374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:35,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:13:35,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:13:35,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712795370] [2024-11-23 23:13:35,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:35,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:13:35,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:35,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:13:35,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:35,784 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:36,468 INFO L93 Difference]: Finished difference Result 363 states and 543 transitions. [2024-11-23 23:13:36,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:13:36,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-11-23 23:13:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:36,476 INFO L225 Difference]: With dead ends: 363 [2024-11-23 23:13:36,477 INFO L226 Difference]: Without dead ends: 281 [2024-11-23 23:13:36,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:13:36,479 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 303 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:36,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 514 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:13:36,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-23 23:13:36,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 177. [2024-11-23 23:13:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.371212121212121) internal successors, (181), 132 states have internal predecessors, (181), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:13:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 265 transitions. [2024-11-23 23:13:36,544 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 265 transitions. Word has length 141 [2024-11-23 23:13:36,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:36,545 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 265 transitions. [2024-11-23 23:13:36,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 265 transitions. [2024-11-23 23:13:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-23 23:13:36,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:36,548 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:36,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:13:36,548 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:36,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash 789576351, now seen corresponding path program 1 times [2024-11-23 23:13:36,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:36,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358788014] [2024-11-23 23:13:36,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:36,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:13:37,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:37,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358788014] [2024-11-23 23:13:37,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358788014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:37,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:13:37,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:13:37,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336959951] [2024-11-23 23:13:37,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:37,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:13:37,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:37,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:13:37,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:13:37,599 INFO L87 Difference]: Start difference. First operand 177 states and 265 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:38,036 INFO L93 Difference]: Finished difference Result 342 states and 509 transitions. [2024-11-23 23:13:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:13:38,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-11-23 23:13:38,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:38,045 INFO L225 Difference]: With dead ends: 342 [2024-11-23 23:13:38,045 INFO L226 Difference]: Without dead ends: 168 [2024-11-23 23:13:38,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:38,052 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:38,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 341 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:13:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-23 23:13:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 137. [2024-11-23 23:13:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 92 states have internal predecessors, (119), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:13:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 203 transitions. [2024-11-23 23:13:38,130 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 203 transitions. Word has length 141 [2024-11-23 23:13:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:38,131 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 203 transitions. [2024-11-23 23:13:38,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2024-11-23 23:13:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 23:13:38,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:38,140 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:38,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:13:38,145 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:38,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:38,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1594952904, now seen corresponding path program 1 times [2024-11-23 23:13:38,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:38,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575872747] [2024-11-23 23:13:38,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:38,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:13:39,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:39,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575872747] [2024-11-23 23:13:39,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575872747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:39,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:13:39,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:13:39,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895520835] [2024-11-23 23:13:39,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:39,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:13:39,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:39,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:13:39,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:13:39,799 INFO L87 Difference]: Start difference. First operand 137 states and 203 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:41,331 INFO L93 Difference]: Finished difference Result 402 states and 598 transitions. [2024-11-23 23:13:41,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:13:41,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 143 [2024-11-23 23:13:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:41,336 INFO L225 Difference]: With dead ends: 402 [2024-11-23 23:13:41,337 INFO L226 Difference]: Without dead ends: 320 [2024-11-23 23:13:41,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:13:41,339 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 219 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:41,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 520 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:13:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-23 23:13:41,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2024-11-23 23:13:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 218 states have (on average 1.298165137614679) internal successors, (283), 219 states have internal predecessors, (283), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-23 23:13:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2024-11-23 23:13:41,456 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 143 [2024-11-23 23:13:41,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:41,457 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2024-11-23 23:13:41,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2024-11-23 23:13:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 23:13:41,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:41,462 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:41,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:13:41,463 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:41,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:41,464 INFO L85 PathProgramCache]: Analyzing trace with hash 872076683, now seen corresponding path program 1 times [2024-11-23 23:13:41,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:41,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975991459] [2024-11-23 23:13:41,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 114 proven. 48 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-23 23:13:42,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975991459] [2024-11-23 23:13:42,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975991459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119477966] [2024-11-23 23:13:42,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:42,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:42,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:42,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:42,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:13:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:43,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-23 23:13:43,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 309 proven. 90 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-23 23:13:45,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:13:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 114 proven. 57 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-11-23 23:13:47,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119477966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:13:47,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:13:47,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 12] total 32 [2024-11-23 23:13:47,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758315396] [2024-11-23 23:13:47,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:13:47,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-23 23:13:47,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:47,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-23 23:13:47,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2024-11-23 23:13:47,529 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand has 32 states, 30 states have (on average 4.266666666666667) internal successors, (128), 28 states have internal predecessors, (128), 9 states have call successors, (63), 5 states have call predecessors, (63), 11 states have return successors, (63), 12 states have call predecessors, (63), 9 states have call successors, (63) [2024-11-23 23:13:57,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:57,037 INFO L93 Difference]: Finished difference Result 915 states and 1278 transitions. [2024-11-23 23:13:57,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-11-23 23:13:57,038 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 4.266666666666667) internal successors, (128), 28 states have internal predecessors, (128), 9 states have call successors, (63), 5 states have call predecessors, (63), 11 states have return successors, (63), 12 states have call predecessors, (63), 9 states have call successors, (63) Word has length 144 [2024-11-23 23:13:57,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:57,044 INFO L225 Difference]: With dead ends: 915 [2024-11-23 23:13:57,045 INFO L226 Difference]: Without dead ends: 669 [2024-11-23 23:13:57,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4200 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2656, Invalid=10000, Unknown=0, NotChecked=0, Total=12656 [2024-11-23 23:13:57,054 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 1066 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:57,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 2053 Invalid, 3334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [410 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 23:13:57,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-23 23:13:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 384. [2024-11-23 23:13:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 304 states have (on average 1.3125) internal successors, (399), 305 states have internal predecessors, (399), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-23 23:13:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 529 transitions. [2024-11-23 23:13:57,176 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 529 transitions. Word has length 144 [2024-11-23 23:13:57,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:57,177 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 529 transitions. [2024-11-23 23:13:57,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 4.266666666666667) internal successors, (128), 28 states have internal predecessors, (128), 9 states have call successors, (63), 5 states have call predecessors, (63), 11 states have return successors, (63), 12 states have call predecessors, (63), 9 states have call successors, (63) [2024-11-23 23:13:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 529 transitions. [2024-11-23 23:13:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 23:13:57,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:57,181 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:57,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:13:57,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:57,385 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:57,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:57,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1663097356, now seen corresponding path program 1 times [2024-11-23 23:13:57,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:57,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806920652] [2024-11-23 23:13:57,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:57,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:13:57,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:57,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806920652] [2024-11-23 23:13:57,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806920652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:57,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:13:57,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:13:57,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748017028] [2024-11-23 23:13:57,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:57,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:13:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:57,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:13:57,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:13:57,674 INFO L87 Difference]: Start difference. First operand 384 states and 529 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:57,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:57,950 INFO L93 Difference]: Finished difference Result 776 states and 1073 transitions. [2024-11-23 23:13:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:13:57,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2024-11-23 23:13:57,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:57,956 INFO L225 Difference]: With dead ends: 776 [2024-11-23 23:13:57,956 INFO L226 Difference]: Without dead ends: 601 [2024-11-23 23:13:57,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:57,958 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 106 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:57,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 437 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:13:57,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-23 23:13:58,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 418. [2024-11-23 23:13:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 338 states have (on average 1.2958579881656804) internal successors, (438), 339 states have internal predecessors, (438), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-23 23:13:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 568 transitions. [2024-11-23 23:13:58,066 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 568 transitions. Word has length 144 [2024-11-23 23:13:58,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:58,067 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 568 transitions. [2024-11-23 23:13:58,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:13:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 568 transitions. [2024-11-23 23:13:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-23 23:13:58,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:58,071 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:13:58,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:13:58,071 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:58,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:58,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1260780451, now seen corresponding path program 1 times [2024-11-23 23:13:58,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:58,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792956000] [2024-11-23 23:13:58,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:58,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-23 23:13:58,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:58,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792956000] [2024-11-23 23:13:58,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792956000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:58,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110456050] [2024-11-23 23:13:58,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:58,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:58,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:58,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:58,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:13:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:59,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 23:13:59,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 194 proven. 144 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-23 23:14:00,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:14:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-23 23:14:01,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110456050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:14:01,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:14:01,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 6] total 21 [2024-11-23 23:14:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357991721] [2024-11-23 23:14:01,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:14:01,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 23:14:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:01,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 23:14:01,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:14:01,224 INFO L87 Difference]: Start difference. First operand 418 states and 568 transitions. Second operand has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 7 states have call successors, (63), 4 states have call predecessors, (63), 8 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) [2024-11-23 23:14:02,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:02,253 INFO L93 Difference]: Finished difference Result 740 states and 1006 transitions. [2024-11-23 23:14:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:14:02,254 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 7 states have call successors, (63), 4 states have call predecessors, (63), 8 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) Word has length 145 [2024-11-23 23:14:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:02,257 INFO L225 Difference]: With dead ends: 740 [2024-11-23 23:14:02,257 INFO L226 Difference]: Without dead ends: 396 [2024-11-23 23:14:02,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-11-23 23:14:02,259 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 377 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:02,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 778 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:14:02,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-23 23:14:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 385. [2024-11-23 23:14:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 305 states have (on average 1.278688524590164) internal successors, (390), 306 states have internal predecessors, (390), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-23 23:14:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 520 transitions. [2024-11-23 23:14:02,352 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 520 transitions. Word has length 145 [2024-11-23 23:14:02,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:02,352 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 520 transitions. [2024-11-23 23:14:02,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 7 states have call successors, (63), 4 states have call predecessors, (63), 8 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) [2024-11-23 23:14:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 520 transitions. [2024-11-23 23:14:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 23:14:02,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:02,357 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:14:02,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:14:02,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 23:14:02,558 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:02,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:02,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1267294736, now seen corresponding path program 1 times [2024-11-23 23:14:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:02,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802599674] [2024-11-23 23:14:02,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:02,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:14:02,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713561898] [2024-11-23 23:14:02,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:02,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:02,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:14:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:03,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:14:03,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:14:03,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:14:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-23 23:14:08,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:08,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802599674] [2024-11-23 23:14:08,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:14:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713561898] [2024-11-23 23:14:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713561898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:14:08,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:14:08,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-23 23:14:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200966552] [2024-11-23 23:14:08,165 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:14:08,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 23:14:08,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:08,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 23:14:08,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:14:08,168 INFO L87 Difference]: Start difference. First operand 385 states and 520 transitions. Second operand has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-23 23:14:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:12,467 INFO L93 Difference]: Finished difference Result 862 states and 1165 transitions. [2024-11-23 23:14:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 23:14:12,468 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 146 [2024-11-23 23:14:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:12,471 INFO L225 Difference]: With dead ends: 862 [2024-11-23 23:14:12,471 INFO L226 Difference]: Without dead ends: 557 [2024-11-23 23:14:12,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=244, Invalid=568, Unknown=0, NotChecked=0, Total=812 [2024-11-23 23:14:12,473 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 768 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:12,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 830 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-23 23:14:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-23 23:14:12,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 432. [2024-11-23 23:14:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 352 states have (on average 1.2897727272727273) internal successors, (454), 353 states have internal predecessors, (454), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-23 23:14:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 584 transitions. [2024-11-23 23:14:12,573 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 584 transitions. Word has length 146 [2024-11-23 23:14:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:12,573 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 584 transitions. [2024-11-23 23:14:12,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-23 23:14:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 584 transitions. [2024-11-23 23:14:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 23:14:12,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:12,576 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:14:12,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:14:12,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 23:14:12,781 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:12,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:12,782 INFO L85 PathProgramCache]: Analyzing trace with hash 507712626, now seen corresponding path program 1 times [2024-11-23 23:14:12,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:12,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686885157] [2024-11-23 23:14:12,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:12,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:14:12,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534532235] [2024-11-23 23:14:12,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:12,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:12,891 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:12,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:14:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:14:13,671 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:14:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:14:13,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:14:13,890 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:14:13,892 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:14:13,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:14:14,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 23:14:14,099 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:14,265 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:14:14,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:14:14 BoogieIcfgContainer [2024-11-23 23:14:14,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:14:14,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:14:14,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:14:14,275 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:14:14,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:32" (3/4) ... [2024-11-23 23:14:14,300 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:14:14,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:14:14,308 INFO L158 Benchmark]: Toolchain (without parser) took 42949.49ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 117.1MB in the beginning and 191.7MB in the end (delta: -74.6MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-11-23 23:14:14,308 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:14,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.16ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:14:14,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.45ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 97.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:14,309 INFO L158 Benchmark]: Boogie Preprocessor took 104.73ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 91.8MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:14:14,310 INFO L158 Benchmark]: RCFGBuilder took 963.89ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 65.4MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:14:14,312 INFO L158 Benchmark]: TraceAbstraction took 41285.77ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 64.7MB in the beginning and 69.0MB in the end (delta: -4.4MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-23 23:14:14,312 INFO L158 Benchmark]: Witness Printer took 30.40ms. Allocated memory is still 226.5MB. Free memory was 69.0MB in the beginning and 191.7MB in the end (delta: -122.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-23 23:14:14,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.16ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.45ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 97.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 104.73ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 91.8MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 963.89ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 65.4MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 41285.77ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 64.7MB in the beginning and 69.0MB in the end (delta: -4.4MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Witness Printer took 30.40ms. Allocated memory is still 226.5MB. Free memory was 69.0MB in the beginning and 191.7MB in the end (delta: -122.6MB). Peak memory consumption was 9.1MB. 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 111, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of bitwiseOr at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_3 = 0.875; [L24] unsigned short int var_1_4 = 49926; [L25] unsigned short int var_1_5 = 500; [L26] unsigned short int var_1_6 = 10; [L27] unsigned char var_1_8 = 64; [L28] unsigned short int var_1_9 = 5; [L29] unsigned char var_1_11 = 10; [L30] float var_1_12 = 0.19999999999999996; [L31] float var_1_13 = 9.2; [L32] float var_1_14 = 5.8; [L33] float var_1_15 = 31.25; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 0; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned short int var_1_20 = 256; [L39] unsigned short int var_1_21 = 23544; [L40] unsigned long int var_1_22 = 64; [L41] unsigned char last_1_var_1_8 = 64; [L42] unsigned char last_1_var_1_19 = 1; [L43] unsigned short int last_1_var_1_20 = 256; [L44] unsigned long int last_1_var_1_22 = 64; VAL [isInitial=0, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L137] isInitial = 1 [L138] FCALL initially() [L140] CALL updateLastVariables() [L127] last_1_var_1_8 = var_1_8 [L128] last_1_var_1_19 = var_1_19 [L129] last_1_var_1_20 = var_1_20 [L130] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L93] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L94] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L94] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L95] var_1_4 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L96] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L97] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L97] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L98] var_1_5 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_6=10, var_1_8=64, var_1_9=5] [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_6=10, var_1_8=64, var_1_9=5] [L100] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=10, var_1_8=64, var_1_9=5] [L100] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=10, var_1_8=64, var_1_9=5] [L101] var_1_6 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_8=64, var_1_9=5] [L102] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_8=64, var_1_9=5] [L103] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=5] [L103] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=5] [L104] var_1_9 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64] [L105] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64] [L106] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L106] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L107] var_1_11 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L108] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L109] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L110] var_1_13 = __VERIFIER_nondet_float() [L111] 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_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L111] 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_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L112] var_1_14 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L113] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L114] var_1_15 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L115] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L116] var_1_17 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L117] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L118] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L121] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L122] var_1_21 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L123] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L124] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L124] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L141] RET updateVariables() [L142] CALL step() [L48] COND TRUE (last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22) [L49] var_1_16 = (last_1_var_1_19 || var_1_17) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L53] unsigned short int stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L54] COND FALSE !(stepLocal_0 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L59] unsigned short int stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_2=-2, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L60] COND TRUE var_1_8 <= stepLocal_2 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L61] COND TRUE \read(var_1_16) [L62] var_1_20 = (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L69] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L70] COND FALSE !((var_1_8 * var_1_8) < var_1_11) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L76] COND TRUE var_1_12 >= (1.3 / var_1_3) [L77] var_1_1 = ((var_1_4 - var_1_8) - var_1_8) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L81] unsigned char stepLocal_1 = var_1_1 < 64; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_1=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L82] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_1=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L83] COND TRUE stepLocal_1 || var_1_16 [L84] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L87] EXPR 2 ^ var_1_20 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L87] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L87] COND FALSE !(var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L133-L134] return (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=32831, var_1_21=32767, var_1_22=64, var_1_4=-2, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.0s, OverallIterations: 9, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2941 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2927 mSDsluCounter, 5600 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4456 mSDsCounter, 882 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4836 IncrementalHoareTripleChecker+Invalid, 5718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 882 mSolverCounterUnsat, 1144 mSDtfsCounter, 4836 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1188 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4569 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=8, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 751 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 2011 NumberOfCodeBlocks, 2011 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1994 ConstructedInterpolants, 0 QuantifiedInterpolants, 11547 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1324 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 11165/11760 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:14:14,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC --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 5092b9874183dfc38681d21126dd96b4ef139ca1702e11549aa108a46ad20342 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:14:17,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:14:17,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:14:17,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:14:17,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:14:17,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:14:17,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:14:17,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:14:17,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:14:17,736 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:14:17,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:14:17,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:14:17,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:14:17,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:14:17,738 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:14:17,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:14:17,740 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:14:17,741 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:17,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:17,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:17,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:14:17,742 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC 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 -> 5092b9874183dfc38681d21126dd96b4ef139ca1702e11549aa108a46ad20342 [2024-11-23 23:14:18,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:14:18,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:14:18,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:14:18,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:14:18,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:14:18,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i [2024-11-23 23:14:22,132 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/13c01293c/1310afde7ac64469b2f3924f307091d1/FLAGc62f53518 [2024-11-23 23:14:22,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:14:22,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i [2024-11-23 23:14:22,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/13c01293c/1310afde7ac64469b2f3924f307091d1/FLAGc62f53518 [2024-11-23 23:14:22,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/data/13c01293c/1310afde7ac64469b2f3924f307091d1 [2024-11-23 23:14:22,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:14:22,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:14:22,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:22,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:14:22,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:14:22,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b25c13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22, skipping insertion in model container [2024-11-23 23:14:22,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:14:23,001 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i[913,926] [2024-11-23 23:14:23,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:23,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:14:23,120 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-47.i[913,926] [2024-11-23 23:14:23,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:23,244 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:14:23,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23 WrapperNode [2024-11-23 23:14:23,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:23,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:23,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:14:23,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:14:23,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,308 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-23 23:14:23,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:23,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:14:23,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:14:23,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:14:23,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,347 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:14:23,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,360 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:14:23,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:14:23,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:14:23,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:14:23,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (1/1) ... [2024-11-23 23:14:23,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:23,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:14:23,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:14:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:14:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:14:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:14:23,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:14:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:14:23,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:14:23,569 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:14:23,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:14:35,531 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 23:14:35,532 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:14:35,558 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:14:35,559 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:14:35,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:35 BoogieIcfgContainer [2024-11-23 23:14:35,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:14:35,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:14:35,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:14:35,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:14:35,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:14:22" (1/3) ... [2024-11-23 23:14:35,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffd9e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:35, skipping insertion in model container [2024-11-23 23:14:35,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:23" (2/3) ... [2024-11-23 23:14:35,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffd9e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:35, skipping insertion in model container [2024-11-23 23:14:35,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:35" (3/3) ... [2024-11-23 23:14:35,614 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-47.i [2024-11-23 23:14:35,634 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:14:35,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-47.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:14:35,714 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:14:35,729 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;@76d1ce1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:14:35,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:14:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:14:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:14:35,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:35,752 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:14:35,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:35,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:35,760 INFO L85 PathProgramCache]: Analyzing trace with hash 742321370, now seen corresponding path program 1 times [2024-11-23 23:14:35,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:14:35,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438664951] [2024-11-23 23:14:35,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:35,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:14:35,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:14:35,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:14:35,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:14:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:37,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:14:37,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:14:39,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:14:40,108 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:14:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438664951] [2024-11-23 23:14:40,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438664951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [119904964] [2024-11-23 23:14:40,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:40,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:14:40,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:14:40,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:14:40,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-23 23:14:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:42,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:14:42,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:14:45,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:45,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [119904964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:45,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:14:45,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-23 23:14:45,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086187899] [2024-11-23 23:14:45,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:45,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:14:45,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:45,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:14:45,255 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:14:50,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:14:54,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:14:58,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:00,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:04,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:05,050 INFO L93 Difference]: Finished difference Result 291 states and 542 transitions. [2024-11-23 23:15:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:15:05,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-23 23:15:05,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:05,066 INFO L225 Difference]: With dead ends: 291 [2024-11-23 23:15:05,066 INFO L226 Difference]: Without dead ends: 228 [2024-11-23 23:15:05,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:15:05,075 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 225 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 133 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:05,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 472 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 34 Invalid, 4 Unknown, 0 Unchecked, 19.3s Time] [2024-11-23 23:15:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-23 23:15:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 131. [2024-11-23 23:15:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 86 states have (on average 1.313953488372093) internal successors, (113), 86 states have internal predecessors, (113), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:15:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2024-11-23 23:15:05,185 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 136 [2024-11-23 23:15:05,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:05,186 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2024-11-23 23:15:05,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:15:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2024-11-23 23:15:05,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:15:05,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:05,196 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:15:05,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:05,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:05,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:05,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:05,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash -268795880, now seen corresponding path program 1 times [2024-11-23 23:15:05,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:05,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460492392] [2024-11-23 23:15:05,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:05,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:15:05,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:05,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:15:05,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (4)] Waiting until timeout for monitored process [2024-11-23 23:15:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:06,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:15:06,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:15:14,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:14,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:14,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460492392] [2024-11-23 23:15:14,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460492392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:14,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:14,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:15:14,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689085090] [2024-11-23 23:15:14,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:14,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:15:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:14,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:15:14,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:15:14,341 INFO L87 Difference]: Start difference. First operand 131 states and 197 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:15:19,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:23,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:27,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:30,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:34,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:38,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:42,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:42,873 INFO L93 Difference]: Finished difference Result 253 states and 377 transitions. [2024-11-23 23:15:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:15:42,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-23 23:15:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:42,946 INFO L225 Difference]: With dead ends: 253 [2024-11-23 23:15:42,946 INFO L226 Difference]: Without dead ends: 125 [2024-11-23 23:15:42,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:15:42,949 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 54 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 43 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:42,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 250 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 28.4s Time] [2024-11-23 23:15:42,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-23 23:15:42,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2024-11-23 23:15:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:15:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2024-11-23 23:15:42,987 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 136 [2024-11-23 23:15:42,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:42,989 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2024-11-23 23:15:42,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:15:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2024-11-23 23:15:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 23:15:42,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:42,993 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:15:43,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (4)] Ended with exit code 0 [2024-11-23 23:15:43,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:15:43,193 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:43,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:43,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2123544737, now seen corresponding path program 1 times [2024-11-23 23:15:43,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:43,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631161385] [2024-11-23 23:15:43,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:43,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:15:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:43,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:15:43,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (5)] Waiting until timeout for monitored process [2024-11-23 23:15:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:44,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:15:44,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:15:46,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:46,733 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:46,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631161385] [2024-11-23 23:15:46,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631161385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:46,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1846149450] [2024-11-23 23:15:46,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:46,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:46,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:15:46,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:15:46,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-23 23:15:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:48,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:15:48,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:15:51,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:51,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1846149450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:51,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:15:51,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-23 23:15:51,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58095899] [2024-11-23 23:15:51,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:51,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:15:51,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:51,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:15:51,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:15:51,028 INFO L87 Difference]: Start difference. First operand 114 states and 169 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:15:55,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:15:59,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:03,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:08,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:12,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:16,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:16,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:16,855 INFO L93 Difference]: Finished difference Result 245 states and 366 transitions. [2024-11-23 23:16:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:16:16,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2024-11-23 23:16:16,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:16,865 INFO L225 Difference]: With dead ends: 245 [2024-11-23 23:16:16,865 INFO L226 Difference]: Without dead ends: 182 [2024-11-23 23:16:16,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:16:16,870 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 23 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:16,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 164 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 25.8s Time] [2024-11-23 23:16:16,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-23 23:16:16,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180. [2024-11-23 23:16:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 113 states have (on average 1.2566371681415929) internal successors, (142), 113 states have internal predecessors, (142), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-23 23:16:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 268 transitions. [2024-11-23 23:16:16,935 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 268 transitions. Word has length 138 [2024-11-23 23:16:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:16,936 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 268 transitions. [2024-11-23 23:16:16,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:16:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 268 transitions. [2024-11-23 23:16:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 23:16:16,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:16,943 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:16:16,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-23 23:16:17,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (5)] Ended with exit code 0 [2024-11-23 23:16:17,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:17,344 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:17,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:17,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1778395549, now seen corresponding path program 1 times [2024-11-23 23:16:17,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:17,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048235250] [2024-11-23 23:16:17,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:17,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:17,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:17,347 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:17,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (7)] Waiting until timeout for monitored process [2024-11-23 23:16:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:18,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:16:18,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:16:20,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:20,787 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:20,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048235250] [2024-11-23 23:16:20,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048235250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:20,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1236481236] [2024-11-23 23:16:20,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:20,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:16:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:16:20,791 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:16:20,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-23 23:16:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:23,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:16:23,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:16:25,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:25,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1236481236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:25,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:16:25,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2024-11-23 23:16:25,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691588380] [2024-11-23 23:16:25,284 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:16:25,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:16:25,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:25,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:16:25,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:16:25,286 INFO L87 Difference]: Start difference. First operand 180 states and 268 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:16:31,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:35,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:39,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:41,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:45,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:49,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:53,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:16:57,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:02,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:06,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:10,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:14,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:14,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:14,106 INFO L93 Difference]: Finished difference Result 326 states and 476 transitions. [2024-11-23 23:17:14,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:17:14,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-23 23:17:14,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:14,194 INFO L225 Difference]: With dead ends: 326 [2024-11-23 23:17:14,194 INFO L226 Difference]: Without dead ends: 198 [2024-11-23 23:17:14,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:17:14,196 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 34 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:14,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 203 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 11 Unknown, 0 Unchecked, 48.5s Time] [2024-11-23 23:17:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-23 23:17:14,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2024-11-23 23:17:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 122 states have (on average 1.2049180327868851) internal successors, (147), 122 states have internal predecessors, (147), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-23 23:17:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 273 transitions. [2024-11-23 23:17:14,250 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 273 transitions. Word has length 138 [2024-11-23 23:17:14,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:14,251 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 273 transitions. [2024-11-23 23:17:14,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:17:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 273 transitions. [2024-11-23 23:17:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-23 23:17:14,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:14,254 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:17:14,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-23 23:17:14,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (7)] Ended with exit code 0 [2024-11-23 23:17:14,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:14,655 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:14,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:14,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1329040454, now seen corresponding path program 1 times [2024-11-23 23:17:14,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:14,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919918644] [2024-11-23 23:17:14,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:14,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:14,659 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:14,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (9)] Waiting until timeout for monitored process [2024-11-23 23:17:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:15,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:17:15,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:17:20,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:17:22,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919918644] [2024-11-23 23:17:22,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919918644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:17:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1644252704] [2024-11-23 23:17:22,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:22,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:17:22,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:17:22,776 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:17:22,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-23 23:17:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:25,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:17:25,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-23 23:17:29,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:17:31,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1644252704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:17:31,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:17:31,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-23 23:17:31,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338793958] [2024-11-23 23:17:31,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:17:31,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:17:31,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:31,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:17:31,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:17:31,246 INFO L87 Difference]: Start difference. First operand 192 states and 273 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:17:36,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:40,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:42,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:46,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:50,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:54,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:58,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:02,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:04,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:08,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:13,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:17,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:21,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:26,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:30,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:32,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:32,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:32,609 INFO L93 Difference]: Finished difference Result 322 states and 460 transitions. [2024-11-23 23:18:32,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:18:32,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2024-11-23 23:18:32,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:32,613 INFO L225 Difference]: With dead ends: 322 [2024-11-23 23:18:32,613 INFO L226 Difference]: Without dead ends: 198 [2024-11-23 23:18:32,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:18:32,615 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 37 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:32,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 212 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 13 Unknown, 0 Unchecked, 61.1s Time] [2024-11-23 23:18:32,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-23 23:18:32,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2024-11-23 23:18:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 122 states have (on average 1.1967213114754098) internal successors, (146), 122 states have internal predecessors, (146), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-23 23:18:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 272 transitions. [2024-11-23 23:18:32,652 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 272 transitions. Word has length 139 [2024-11-23 23:18:32,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:32,652 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 272 transitions. [2024-11-23 23:18:32,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:18:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 272 transitions. [2024-11-23 23:18:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-23 23:18:32,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:32,655 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-11-23 23:18:32,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (9)] Ended with exit code 0 [2024-11-23 23:18:32,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-23 23:18:33,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:18:33,056 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:33,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:33,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1330887496, now seen corresponding path program 1 times [2024-11-23 23:18:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:18:33,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591588270] [2024-11-23 23:18:33,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:33,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:18:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:18:33,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:18:33,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44f1f6-fbf0-4794-9916-f20f30708d1e/bin/uautomizer-verify-LYvppIcaGC/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 (11)] Waiting until timeout for monitored process [2024-11-23 23:18:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:34,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:18:34,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:04,299 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:19:16,302 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:19:24,581 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:19:32,866 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:19:41,030 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:19:49,302 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:19:57,580 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:05,889 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:14,168 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:22,456 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:30,751 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:39,043 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:47,369 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:20:55,618 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:21:03,904 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:21:12,171 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:21:21,097 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:21:25,177 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from false [2024-11-23 23:21:29,252 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true [2024-11-23 23:21:37,549 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:21:45,822 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:21:54,123 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:02,389 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:10,656 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:18,810 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:27,103 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:38,000 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:46,270 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:22:54,548 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:06,719 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:14,990 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:23,269 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:31,564 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:39,937 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:48,221 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:23:56,545 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:04,870 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:13,143 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:21,499 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:29,816 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:38,084 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:46,135 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:24:54,398 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:02,660 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:10,915 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:20,836 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:29,110 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:37,372 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:45,653 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:25:53,931 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:01,613 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:09,891 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:18,173 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:26,434 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:34,771 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:43,052 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:51,310 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:26:59,667 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:07,935 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:16,116 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:24,392 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:32,661 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:40,918 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:49,208 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:27:57,465 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:28:05,639 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:28:13,898 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)