./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.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_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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_52e2c71b-72fc-408e-965e-636476836cb8/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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:14:17,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:14:18,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:14:18,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:14:18,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:14:18,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:14:18,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:14:18,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:14:18,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:14:18,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:14:18,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:14:18,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:14:18,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:14:18,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:14:18,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:14:18,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:14:18,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:14:18,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:14:18,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:14:18,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:14:18,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:14:18,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:14:18,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:18,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:18,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:18,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:18,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:14:18,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:18,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:18,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:18,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:18,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:14:18,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:14:18,047 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:14:18,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:14:18,048 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_52e2c71b-72fc-408e-965e-636476836cb8/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 -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2024-11-23 23:14:18,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:14:18,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:14:18,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:14:18,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:14:18,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:14:18,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-11-23 23:14:21,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/a32a5da55/28a3d07541a345a5b87464aade70c8c8/FLAG322f46adf [2024-11-23 23:14:21,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:14:21,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-11-23 23:14:21,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/a32a5da55/28a3d07541a345a5b87464aade70c8c8/FLAG322f46adf [2024-11-23 23:14:21,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/a32a5da55/28a3d07541a345a5b87464aade70c8c8 [2024-11-23 23:14:21,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:14:21,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:14:21,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:21,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:14:21,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:14:21,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:21" (1/1) ... [2024-11-23 23:14:21,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5947679d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:21, skipping insertion in model container [2024-11-23 23:14:21,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:21" (1/1) ... [2024-11-23 23:14:21,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:14:21,879 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_52e2c71b-72fc-408e-965e-636476836cb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-23 23:14:21,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:21,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:14:22,008 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_52e2c71b-72fc-408e-965e-636476836cb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-23 23:14:22,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:22,111 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:14:22,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22 WrapperNode [2024-11-23 23:14:22,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:22,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:22,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:14:22,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:14:22,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,196 INFO L138 Inliner]: procedures = 29, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-11-23 23:14:22,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:22,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:14:22,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:14:22,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:14:22,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,260 INFO L175 MemorySlicer]: Split 96 memory accesses to 6 slices as follows [2, 8, 29, 8, 16, 33]. 34 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 4, 1, 2, 2]. The 14 writes are split as follows [0, 1, 4, 2, 4, 3]. [2024-11-23 23:14:22,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:14:22,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:14:22,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:14:22,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:14:22,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (1/1) ... [2024-11-23 23:14:22,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:22,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:22,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:14:22,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:14:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:14:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 23:14:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:14:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 23:14:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 23:14:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 23:14:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 23:14:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:14:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:14:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:14:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:14:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:14:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:14:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:14:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:14:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:14:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:14:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:14:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:14:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:14:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:14:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:14:22,567 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:14:22,569 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:14:23,161 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-23 23:14:23,161 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:14:23,175 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:14:23,177 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:14:23,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:23 BoogieIcfgContainer [2024-11-23 23:14:23,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:14:23,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:14:23,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:14:23,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:14:23,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:14:21" (1/3) ... [2024-11-23 23:14:23,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326f592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:23, skipping insertion in model container [2024-11-23 23:14:23,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:22" (2/3) ... [2024-11-23 23:14:23,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326f592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:23, skipping insertion in model container [2024-11-23 23:14:23,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:23" (3/3) ... [2024-11-23 23:14:23,187 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2024-11-23 23:14:23,218 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:14:23,220 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-22.i that has 2 procedures, 105 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:14:23,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:14:23,291 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;@4a96190c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:14:23,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:14:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:14:23,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-23 23:14:23,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:23,305 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:23,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:23,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:23,310 INFO L85 PathProgramCache]: Analyzing trace with hash 70378630, now seen corresponding path program 1 times [2024-11-23 23:14:23,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:23,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771322813] [2024-11-23 23:14:23,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:14:23,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:23,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771322813] [2024-11-23 23:14:23,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771322813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:23,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284445830] [2024-11-23 23:14:23,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:23,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:23,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:23,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:14:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:23,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:14:23,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:14:23,940 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284445830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:23,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:14:23,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:14:23,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456266086] [2024-11-23 23:14:23,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:23,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:14:23,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:23,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:14:23,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:14:23,977 INFO L87 Difference]: Start difference. First operand has 105 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:24,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:24,016 INFO L93 Difference]: Finished difference Result 203 states and 311 transitions. [2024-11-23 23:14:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:14:24,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2024-11-23 23:14:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:24,025 INFO L225 Difference]: With dead ends: 203 [2024-11-23 23:14:24,026 INFO L226 Difference]: Without dead ends: 101 [2024-11-23 23:14:24,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 23:14:24,033 INFO L435 NwaCegarLoop]: 146 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, 146 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 23:14:24,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:24,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-23 23:14:24,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-23 23:14:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:14:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2024-11-23 23:14:24,086 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 90 [2024-11-23 23:14:24,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:24,088 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2024-11-23 23:14:24,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2024-11-23 23:14:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-23 23:14:24,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:24,094 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:24,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:14:24,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:14:24,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:24,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:24,299 INFO L85 PathProgramCache]: Analyzing trace with hash -286087808, now seen corresponding path program 1 times [2024-11-23 23:14:24,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:24,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767257529] [2024-11-23 23:14:24,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:24,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:24,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767257529] [2024-11-23 23:14:24,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767257529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:24,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:24,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:14:24,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850784562] [2024-11-23 23:14:24,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:24,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:14:24,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:24,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:14:24,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:14:24,742 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:24,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:24,801 INFO L93 Difference]: Finished difference Result 201 states and 292 transitions. [2024-11-23 23:14:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:14:24,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2024-11-23 23:14:24,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:24,806 INFO L225 Difference]: With dead ends: 201 [2024-11-23 23:14:24,806 INFO L226 Difference]: Without dead ends: 103 [2024-11-23 23:14:24,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:14:24,807 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:24,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-23 23:14:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-23 23:14:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:14:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2024-11-23 23:14:24,823 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 90 [2024-11-23 23:14:24,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:24,828 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2024-11-23 23:14:24,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2024-11-23 23:14:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-23 23:14:24,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:24,830 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:24,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:14:24,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:24,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:24,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1624954750, now seen corresponding path program 1 times [2024-11-23 23:14:24,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:24,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879507207] [2024-11-23 23:14:24,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:24,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:25,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:25,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879507207] [2024-11-23 23:14:25,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879507207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:25,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:25,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:14:25,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819813268] [2024-11-23 23:14:25,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:25,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:14:25,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:25,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:14:25,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:14:25,853 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:27,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:27,172 INFO L93 Difference]: Finished difference Result 535 states and 770 transitions. [2024-11-23 23:14:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:14:27,173 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 90 [2024-11-23 23:14:27,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:27,181 INFO L225 Difference]: With dead ends: 535 [2024-11-23 23:14:27,181 INFO L226 Difference]: Without dead ends: 435 [2024-11-23 23:14:27,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:14:27,183 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 582 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:27,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 951 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 23:14:27,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-23 23:14:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 288. [2024-11-23 23:14:27,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 257 states have (on average 1.4085603112840468) internal successors, (362), 257 states have internal predecessors, (362), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 416 transitions. [2024-11-23 23:14:27,243 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 416 transitions. Word has length 90 [2024-11-23 23:14:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:27,243 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 416 transitions. [2024-11-23 23:14:27,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 416 transitions. [2024-11-23 23:14:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-23 23:14:27,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:27,249 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:27,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:14:27,250 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:27,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:27,250 INFO L85 PathProgramCache]: Analyzing trace with hash -701013642, now seen corresponding path program 1 times [2024-11-23 23:14:27,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:27,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542227443] [2024-11-23 23:14:27,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:27,424 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:27,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:27,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542227443] [2024-11-23 23:14:27,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542227443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:27,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:27,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:14:27,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298186776] [2024-11-23 23:14:27,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:27,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:27,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:27,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:27,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:27,428 INFO L87 Difference]: Start difference. First operand 288 states and 416 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:27,475 INFO L93 Difference]: Finished difference Result 591 states and 857 transitions. [2024-11-23 23:14:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:27,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-11-23 23:14:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:27,479 INFO L225 Difference]: With dead ends: 591 [2024-11-23 23:14:27,479 INFO L226 Difference]: Without dead ends: 306 [2024-11-23 23:14:27,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:27,483 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 28 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:27,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 282 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:27,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-23 23:14:27,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 204. [2024-11-23 23:14:27,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.3989071038251366) internal successors, (256), 183 states have internal predecessors, (256), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:14:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 292 transitions. [2024-11-23 23:14:27,537 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 292 transitions. Word has length 91 [2024-11-23 23:14:27,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:27,537 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 292 transitions. [2024-11-23 23:14:27,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 292 transitions. [2024-11-23 23:14:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:14:27,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:27,543 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:27,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:14:27,543 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:27,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:27,544 INFO L85 PathProgramCache]: Analyzing trace with hash 82762177, now seen corresponding path program 1 times [2024-11-23 23:14:27,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:27,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872946793] [2024-11-23 23:14:27,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:27,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:27,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872946793] [2024-11-23 23:14:27,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872946793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:27,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:27,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:14:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102873584] [2024-11-23 23:14:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:27,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:27,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:27,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:27,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:27,663 INFO L87 Difference]: Start difference. First operand 204 states and 292 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:27,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:27,758 INFO L93 Difference]: Finished difference Result 366 states and 523 transitions. [2024-11-23 23:14:27,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:27,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-23 23:14:27,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:27,761 INFO L225 Difference]: With dead ends: 366 [2024-11-23 23:14:27,762 INFO L226 Difference]: Without dead ends: 165 [2024-11-23 23:14:27,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:27,764 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:27,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:27,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-23 23:14:27,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2024-11-23 23:14:27,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 130 states have (on average 1.3615384615384616) internal successors, (177), 130 states have internal predecessors, (177), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:14:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 213 transitions. [2024-11-23 23:14:27,791 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 213 transitions. Word has length 92 [2024-11-23 23:14:27,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:27,792 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 213 transitions. [2024-11-23 23:14:27,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2024-11-23 23:14:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-23 23:14:27,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:27,795 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:27,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:14:27,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:27,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1959301337, now seen corresponding path program 1 times [2024-11-23 23:14:27,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:27,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858983028] [2024-11-23 23:14:27,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:27,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:14:28,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:28,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858983028] [2024-11-23 23:14:28,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858983028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:28,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233569692] [2024-11-23 23:14:28,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:28,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:28,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:28,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:28,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:14:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:28,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 23:14:28,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:29,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-11-23 23:14:29,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2024-11-23 23:14:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:14:29,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:14:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:30,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233569692] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:30,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:14:30,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 9] total 20 [2024-11-23 23:14:30,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974262539] [2024-11-23 23:14:30,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:30,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:30,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:30,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:30,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:14:30,357 INFO L87 Difference]: Start difference. First operand 151 states and 213 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:30,641 INFO L93 Difference]: Finished difference Result 351 states and 496 transitions. [2024-11-23 23:14:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:14:30,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-11-23 23:14:30,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:30,643 INFO L225 Difference]: With dead ends: 351 [2024-11-23 23:14:30,644 INFO L226 Difference]: Without dead ends: 252 [2024-11-23 23:14:30,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:14:30,645 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 121 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:30,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 741 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:14:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-23 23:14:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 171. [2024-11-23 23:14:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 150 states have (on average 1.36) internal successors, (204), 150 states have internal predecessors, (204), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:14:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 240 transitions. [2024-11-23 23:14:30,662 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 240 transitions. Word has length 95 [2024-11-23 23:14:30,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:30,662 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 240 transitions. [2024-11-23 23:14:30,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2024-11-23 23:14:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:14:30,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:30,666 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:30,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:14:30,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 23:14:30,870 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:30,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:30,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1870385077, now seen corresponding path program 1 times [2024-11-23 23:14:30,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:30,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730740175] [2024-11-23 23:14:30,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:30,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:31,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:31,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730740175] [2024-11-23 23:14:31,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730740175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:31,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:31,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:14:31,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445266137] [2024-11-23 23:14:31,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:31,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:14:31,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:31,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:14:31,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:14:31,601 INFO L87 Difference]: Start difference. First operand 171 states and 240 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:31,882 INFO L93 Difference]: Finished difference Result 388 states and 549 transitions. [2024-11-23 23:14:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:14:31,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-23 23:14:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:31,884 INFO L225 Difference]: With dead ends: 388 [2024-11-23 23:14:31,884 INFO L226 Difference]: Without dead ends: 268 [2024-11-23 23:14:31,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:31,886 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 111 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:31,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 754 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:14:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-23 23:14:31,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2024-11-23 23:14:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 235 states have (on average 1.3702127659574468) internal successors, (322), 235 states have internal predecessors, (322), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 376 transitions. [2024-11-23 23:14:31,909 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 376 transitions. Word has length 96 [2024-11-23 23:14:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:31,909 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 376 transitions. [2024-11-23 23:14:31,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2024-11-23 23:14:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 23:14:31,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:31,914 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:31,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:14:31,914 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:31,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash -994815262, now seen corresponding path program 1 times [2024-11-23 23:14:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:31,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945276069] [2024-11-23 23:14:31,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:32,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:32,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945276069] [2024-11-23 23:14:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945276069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:32,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:32,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:14:32,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540905327] [2024-11-23 23:14:32,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:32,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:14:32,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:32,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:14:32,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:14:32,764 INFO L87 Difference]: Start difference. First operand 266 states and 376 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:33,144 INFO L93 Difference]: Finished difference Result 440 states and 620 transitions. [2024-11-23 23:14:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:14:33,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 97 [2024-11-23 23:14:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:33,146 INFO L225 Difference]: With dead ends: 440 [2024-11-23 23:14:33,146 INFO L226 Difference]: Without dead ends: 324 [2024-11-23 23:14:33,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:14:33,147 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 264 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:33,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1115 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:14:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-23 23:14:33,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2024-11-23 23:14:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 260 states have (on average 1.373076923076923) internal successors, (357), 260 states have internal predecessors, (357), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2024-11-23 23:14:33,166 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 97 [2024-11-23 23:14:33,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:33,167 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2024-11-23 23:14:33,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2024-11-23 23:14:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 23:14:33,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:33,168 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:33,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:14:33,169 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:33,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:33,169 INFO L85 PathProgramCache]: Analyzing trace with hash -102155987, now seen corresponding path program 1 times [2024-11-23 23:14:33,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:33,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988852093] [2024-11-23 23:14:33,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:33,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:33,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:33,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988852093] [2024-11-23 23:14:33,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988852093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:33,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:33,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:14:33,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478796332] [2024-11-23 23:14:33,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:33,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:14:33,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:33,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:14:33,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:14:33,740 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:34,073 INFO L93 Difference]: Finished difference Result 489 states and 688 transitions. [2024-11-23 23:14:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:14:34,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 97 [2024-11-23 23:14:34,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:34,078 INFO L225 Difference]: With dead ends: 489 [2024-11-23 23:14:34,080 INFO L226 Difference]: Without dead ends: 365 [2024-11-23 23:14:34,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:14:34,081 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 322 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:34,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 867 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:14:34,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-23 23:14:34,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 287. [2024-11-23 23:14:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 256 states have (on average 1.3671875) internal successors, (350), 256 states have internal predecessors, (350), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 404 transitions. [2024-11-23 23:14:34,102 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 404 transitions. Word has length 97 [2024-11-23 23:14:34,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:34,103 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 404 transitions. [2024-11-23 23:14:34,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 404 transitions. [2024-11-23 23:14:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 23:14:34,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:34,104 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:34,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:14:34,105 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:34,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:34,105 INFO L85 PathProgramCache]: Analyzing trace with hash -266012127, now seen corresponding path program 1 times [2024-11-23 23:14:34,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:34,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431166517] [2024-11-23 23:14:34,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:34,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:34,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:34,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431166517] [2024-11-23 23:14:34,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431166517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:34,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:34,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:14:34,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947112115] [2024-11-23 23:14:34,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:34,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:14:34,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:34,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:14:34,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:14:34,483 INFO L87 Difference]: Start difference. First operand 287 states and 404 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:35,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:35,031 INFO L93 Difference]: Finished difference Result 782 states and 1108 transitions. [2024-11-23 23:14:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:14:35,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 97 [2024-11-23 23:14:35,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:35,035 INFO L225 Difference]: With dead ends: 782 [2024-11-23 23:14:35,035 INFO L226 Difference]: Without dead ends: 546 [2024-11-23 23:14:35,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:14:35,036 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 243 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:35,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 671 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:14:35,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-23 23:14:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 302. [2024-11-23 23:14:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 271 states have (on average 1.3579335793357934) internal successors, (368), 271 states have internal predecessors, (368), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 422 transitions. [2024-11-23 23:14:35,060 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 422 transitions. Word has length 97 [2024-11-23 23:14:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:35,060 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 422 transitions. [2024-11-23 23:14:35,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 422 transitions. [2024-11-23 23:14:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 23:14:35,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:35,064 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:35,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:14:35,064 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:35,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:35,065 INFO L85 PathProgramCache]: Analyzing trace with hash -203972513, now seen corresponding path program 1 times [2024-11-23 23:14:35,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801915231] [2024-11-23 23:14:35,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:35,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:35,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801915231] [2024-11-23 23:14:35,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801915231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:35,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:35,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:14:35,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565088252] [2024-11-23 23:14:35,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:35,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:14:35,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:35,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:14:35,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:14:35,489 INFO L87 Difference]: Start difference. First operand 302 states and 422 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:35,582 INFO L93 Difference]: Finished difference Result 490 states and 689 transitions. [2024-11-23 23:14:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:14:35,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 97 [2024-11-23 23:14:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:35,585 INFO L225 Difference]: With dead ends: 490 [2024-11-23 23:14:35,585 INFO L226 Difference]: Without dead ends: 371 [2024-11-23 23:14:35,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:14:35,586 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 78 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:35,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 751 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:35,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-23 23:14:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 302. [2024-11-23 23:14:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 271 states have (on average 1.3542435424354244) internal successors, (367), 271 states have internal predecessors, (367), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 421 transitions. [2024-11-23 23:14:35,606 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 421 transitions. Word has length 97 [2024-11-23 23:14:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:35,607 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 421 transitions. [2024-11-23 23:14:35,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 421 transitions. [2024-11-23 23:14:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 23:14:35,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:35,609 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:35,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:14:35,609 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:35,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash 14882205, now seen corresponding path program 1 times [2024-11-23 23:14:35,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:35,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649007652] [2024-11-23 23:14:35,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:36,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:36,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649007652] [2024-11-23 23:14:36,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649007652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:36,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:36,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:14:36,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881439171] [2024-11-23 23:14:36,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:36,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:14:36,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:36,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:14:36,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:14:36,367 INFO L87 Difference]: Start difference. First operand 302 states and 421 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:37,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:37,297 INFO L93 Difference]: Finished difference Result 696 states and 974 transitions. [2024-11-23 23:14:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:14:37,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 97 [2024-11-23 23:14:37,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:37,301 INFO L225 Difference]: With dead ends: 696 [2024-11-23 23:14:37,301 INFO L226 Difference]: Without dead ends: 457 [2024-11-23 23:14:37,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:14:37,302 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 245 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:37,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 840 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:14:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-23 23:14:37,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 310. [2024-11-23 23:14:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 279 states have (on average 1.3476702508960574) internal successors, (376), 279 states have internal predecessors, (376), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:14:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 430 transitions. [2024-11-23 23:14:37,333 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 430 transitions. Word has length 97 [2024-11-23 23:14:37,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:37,334 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 430 transitions. [2024-11-23 23:14:37,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 430 transitions. [2024-11-23 23:14:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:14:37,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:37,339 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:37,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:14:37,340 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:37,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash -943007405, now seen corresponding path program 1 times [2024-11-23 23:14:37,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:37,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535483780] [2024-11-23 23:14:37,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:37,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:37,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:37,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535483780] [2024-11-23 23:14:37,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535483780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:37,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:37,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:14:37,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570419764] [2024-11-23 23:14:37,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:37,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:37,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:37,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:37,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:37,557 INFO L87 Difference]: Start difference. First operand 310 states and 430 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:37,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:37,580 INFO L93 Difference]: Finished difference Result 430 states and 597 transitions. [2024-11-23 23:14:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:37,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-23 23:14:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:37,582 INFO L225 Difference]: With dead ends: 430 [2024-11-23 23:14:37,582 INFO L226 Difference]: Without dead ends: 184 [2024-11-23 23:14:37,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:37,583 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:37,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:37,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-23 23:14:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-11-23 23:14:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 161 states have (on average 1.3043478260869565) internal successors, (210), 161 states have internal predecessors, (210), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:14:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 246 transitions. [2024-11-23 23:14:37,603 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 246 transitions. Word has length 98 [2024-11-23 23:14:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:37,603 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 246 transitions. [2024-11-23 23:14:37,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 246 transitions. [2024-11-23 23:14:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:14:37,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:37,605 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:37,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:14:37,605 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:37,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:37,606 INFO L85 PathProgramCache]: Analyzing trace with hash 79469469, now seen corresponding path program 1 times [2024-11-23 23:14:37,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:37,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141245538] [2024-11-23 23:14:37,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:14:38,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:38,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141245538] [2024-11-23 23:14:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141245538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:38,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507925309] [2024-11-23 23:14:38,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:38,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:38,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:38,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:38,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:14:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:38,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 23:14:38,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:38,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 23:14:39,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-23 23:14:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 83 proven. 12 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-23 23:14:39,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:14:40,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2024-11-23 23:14:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:14:41,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507925309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:14:41,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:14:41,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 14] total 31 [2024-11-23 23:14:41,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937096906] [2024-11-23 23:14:41,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:14:41,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-23 23:14:41,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:41,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-23 23:14:41,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2024-11-23 23:14:41,101 INFO L87 Difference]: Start difference. First operand 182 states and 246 transitions. Second operand has 31 states, 26 states have (on average 4.961538461538462) internal successors, (129), 30 states have internal predecessors, (129), 10 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 10 states have call successors, (27) [2024-11-23 23:14:43,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:43,242 INFO L93 Difference]: Finished difference Result 409 states and 554 transitions. [2024-11-23 23:14:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 23:14:43,243 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 26 states have (on average 4.961538461538462) internal successors, (129), 30 states have internal predecessors, (129), 10 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 10 states have call successors, (27) Word has length 99 [2024-11-23 23:14:43,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:43,245 INFO L225 Difference]: With dead ends: 409 [2024-11-23 23:14:43,245 INFO L226 Difference]: Without dead ends: 298 [2024-11-23 23:14:43,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=555, Invalid=1895, Unknown=0, NotChecked=0, Total=2450 [2024-11-23 23:14:43,248 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 783 mSDsluCounter, 1848 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:43,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1941 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:14:43,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-23 23:14:43,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 196. [2024-11-23 23:14:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 173 states have internal predecessors, (223), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:14:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 259 transitions. [2024-11-23 23:14:43,266 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 259 transitions. Word has length 99 [2024-11-23 23:14:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:43,267 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 259 transitions. [2024-11-23 23:14:43,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 26 states have (on average 4.961538461538462) internal successors, (129), 30 states have internal predecessors, (129), 10 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 10 states have call successors, (27) [2024-11-23 23:14:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 259 transitions. [2024-11-23 23:14:43,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-23 23:14:43,269 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:43,269 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:43,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:14:43,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-23 23:14:43,470 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:43,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:43,472 INFO L85 PathProgramCache]: Analyzing trace with hash -538798334, now seen corresponding path program 1 times [2024-11-23 23:14:43,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:43,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221400076] [2024-11-23 23:14:43,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:14:43,558 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:14:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:14:43,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:14:43,699 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:14:43,700 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:14:43,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:14:43,705 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:43,822 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:14:43,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:14:43 BoogieIcfgContainer [2024-11-23 23:14:43,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:14:43,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:14:43,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:14:43,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:14:43,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:23" (3/4) ... [2024-11-23 23:14:43,831 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:14:43,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:14:43,833 INFO L158 Benchmark]: Toolchain (without parser) took 22161.20ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.0MB in the beginning and 282.6MB in the end (delta: -163.6MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. [2024-11-23 23:14:43,833 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:43,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.30ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 104.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:14:43,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.73ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 100.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:43,835 INFO L158 Benchmark]: Boogie Preprocessor took 119.92ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:43,835 INFO L158 Benchmark]: RCFGBuilder took 860.26ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 64.1MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 23:14:43,835 INFO L158 Benchmark]: TraceAbstraction took 20647.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.6MB in the beginning and 282.7MB in the end (delta: -219.1MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-23 23:14:43,836 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 427.8MB. Free memory was 282.7MB in the beginning and 282.6MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:43,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.30ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 104.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.73ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 100.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 119.92ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 860.26ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 64.1MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20647.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.6MB in the beginning and 282.7MB in the end (delta: -219.1MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 427.8MB. Free memory was 282.7MB in the beginning and 282.6MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of bitwiseAnd at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L28-L30] signed short int signed_short_int_Array_0[1] = { -5 }; [L28-L30] signed short int signed_short_int_Array_0[1] = { -5 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L37] signed short int last_1_signed_short_int_Array_0_0_ = -5; [L38] unsigned long int last_1_unsigned_long_int_Array_0_1_ = 8; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] isInitial = 1 [L97] FCALL initially() [L99] CALL updateLastVariables() [L88] EXPR signed_short_int_Array_0[0] [L88] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L89] EXPR unsigned_long_int_Array_0[1] [L89] last_1_unsigned_long_int_Array_0_1_ = unsigned_long_int_Array_0[1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] float_Array_0[0][0] = __VERIFIER_nondet_float() [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[1][0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[0][1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L84] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L100] RET updateVariables() [L101] CALL step() [L42] signed long int stepLocal_0 = last_1_signed_short_int_Array_0_0_; [L43] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND TRUE BOOL_unsigned_char_Array_0[0] [L44] unsigned_short_int_Array_0[1] = last_1_signed_short_int_Array_0_0_ VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] EXPR unsigned_short_int_Array_0[1] [L50] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] COND TRUE unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_short_int_Array_0[0] = (unsigned_short_int_Array_0[1] + -16) [L57] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L57] EXPR unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_ VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L57] COND TRUE last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_) [L58] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) [L58] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] unsigned_long_int_Array_0[1] = ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))) [L66] EXPR signed_short_int_Array_0[0] [L66] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] COND TRUE signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1] [L67] EXPR float_Array_0[1][0] [L67] EXPR float_Array_0[0][0] [L67] EXPR float_Array_0[0][1] [L67] float_Array_0[1][1] = (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) [L92] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] [L92] EXPR float_Array_0[0][1] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92-L93] return ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 15, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2778 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2777 mSDsluCounter, 10001 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7625 mSDsCounter, 281 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3990 IncrementalHoareTripleChecker+Invalid, 4271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 281 mSolverCounterUnsat, 2376 mSDtfsCounter, 3990 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 484 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=12, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1021 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 1711 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 10297 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1079 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 2654/2736 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 23:14:43,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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_52e2c71b-72fc-408e-965e-636476836cb8/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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:14:46,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:14:46,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:14:46,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:14:46,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:14:46,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:14:46,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:14:46,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:14:46,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:14:46,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:14:46,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:14:46,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:14:46,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:14:46,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:14:46,680 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:14:46,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:14:46,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:14:46,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:14:46,681 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:14:46,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:14:46,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:14:46,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:14:46,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:14:46,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:14:46,682 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:14:46,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:46,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:46,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:46,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:46,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:14:46,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:46,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:46,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:46,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:14:46,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:14:46,684 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_52e2c71b-72fc-408e-965e-636476836cb8/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 -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2024-11-23 23:14:46,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:14:46,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:14:46,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:14:46,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:14:46,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:14:46,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-11-23 23:14:49,879 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/665d3a206/5e1eb2c2be76476fb09dc54f0feef610/FLAG5bc67cda2 [2024-11-23 23:14:50,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:14:50,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-11-23 23:14:50,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/665d3a206/5e1eb2c2be76476fb09dc54f0feef610/FLAG5bc67cda2 [2024-11-23 23:14:50,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/data/665d3a206/5e1eb2c2be76476fb09dc54f0feef610 [2024-11-23 23:14:50,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:14:50,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:14:50,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:50,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:14:50,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:14:50,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b740890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50, skipping insertion in model container [2024-11-23 23:14:50,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:14:50,342 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_52e2c71b-72fc-408e-965e-636476836cb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-23 23:14:50,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:50,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:14:50,452 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_52e2c71b-72fc-408e-965e-636476836cb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-23 23:14:50,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:50,519 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:14:50,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50 WrapperNode [2024-11-23 23:14:50,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:50,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:50,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:14:50,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:14:50,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,585 INFO L138 Inliner]: procedures = 36, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 399 [2024-11-23 23:14:50,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:50,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:14:50,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:14:50,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:14:50,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,646 INFO L175 MemorySlicer]: Split 96 memory accesses to 6 slices as follows [2, 8, 29, 8, 16, 33]. 34 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 4, 1, 2, 2]. The 14 writes are split as follows [0, 1, 4, 2, 4, 3]. [2024-11-23 23:14:50,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,694 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:14:50,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:14:50,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:14:50,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:14:50,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (1/1) ... [2024-11-23 23:14:50,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:50,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:50,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:14:50,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:14:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:14:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:14:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 23:14:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-23 23:14:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-23 23:14:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:14:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:14:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:14:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:14:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:14:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 23:14:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 23:14:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 23:14:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-23 23:14:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-23 23:14:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:14:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:14:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-23 23:14:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 23:14:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 23:14:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 23:14:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 23:14:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-23 23:14:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-23 23:14:51,021 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:14:51,023 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:14:53,685 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-23 23:14:53,685 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:14:53,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:14:53,696 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:14:53,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:53 BoogieIcfgContainer [2024-11-23 23:14:53,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:14:53,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:14:53,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:14:53,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:14:53,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:14:50" (1/3) ... [2024-11-23 23:14:53,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c46db4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:53, skipping insertion in model container [2024-11-23 23:14:53,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:50" (2/3) ... [2024-11-23 23:14:53,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c46db4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:53, skipping insertion in model container [2024-11-23 23:14:53,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:53" (3/3) ... [2024-11-23 23:14:53,706 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2024-11-23 23:14:53,721 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:14:53,722 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-22.i that has 2 procedures, 99 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:14:53,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:14:53,783 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;@f208d0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:14:53,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:14:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:14:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-23 23:14:53,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:53,797 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:53,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:53,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash 319776311, now seen corresponding path program 1 times [2024-11-23 23:14:53,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:14:53,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590599478] [2024-11-23 23:14:53,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:53,815 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 23:14:53,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:14:53,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:53,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:54,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:14:54,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 23:14:54,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:54,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:14:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590599478] [2024-11-23 23:14:54,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590599478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:54,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:54,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:14:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167922813] [2024-11-23 23:14:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:54,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:14:54,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:14:54,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:14:54,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:14:54,422 INFO L87 Difference]: Start difference. First operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:54,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:54,448 INFO L93 Difference]: Finished difference Result 188 states and 286 transitions. [2024-11-23 23:14:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:14:54,450 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-23 23:14:54,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:54,456 INFO L225 Difference]: With dead ends: 188 [2024-11-23 23:14:54,456 INFO L226 Difference]: Without dead ends: 92 [2024-11-23 23:14:54,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 23:14:54,462 INFO L435 NwaCegarLoop]: 129 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, 129 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 23:14:54,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-23 23:14:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-23 23:14:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:14:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2024-11-23 23:14:54,500 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2024-11-23 23:14:54,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:54,501 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2024-11-23 23:14:54,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2024-11-23 23:14:54,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:14:54,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:54,504 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:54,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:54,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:54,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:54,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:54,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1115954811, now seen corresponding path program 1 times [2024-11-23 23:14:54,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:14:54,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394533451] [2024-11-23 23:14:54,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:54,709 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 23:14:54,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:14:54,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:54,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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)] Waiting until timeout for monitored process [2024-11-23 23:14:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:55,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:14:55,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-23 23:14:55,244 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:55,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:14:55,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394533451] [2024-11-23 23:14:55,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394533451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:55,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:55,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:14:55,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761376413] [2024-11-23 23:14:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:55,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:14:55,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:14:55,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:14:55,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:14:55,251 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:55,343 INFO L93 Difference]: Finished difference Result 183 states and 258 transitions. [2024-11-23 23:14:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:14:55,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-23 23:14:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:55,346 INFO L225 Difference]: With dead ends: 183 [2024-11-23 23:14:55,347 INFO L226 Difference]: Without dead ends: 94 [2024-11-23 23:14:55,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:14:55,349 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:55,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:55,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-23 23:14:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-23 23:14:55,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:14:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2024-11-23 23:14:55,364 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 92 [2024-11-23 23:14:55,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:55,368 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2024-11-23 23:14:55,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:14:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2024-11-23 23:14:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:14:55,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:55,371 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:55,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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)] Ended with exit code 0 [2024-11-23 23:14:55,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:55,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:55,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:55,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1444908035, now seen corresponding path program 1 times [2024-11-23 23:14:55,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:14:55,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840398898] [2024-11-23 23:14:55,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:55,577 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 23:14:55,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:14:55,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:55,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:56,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:14:56,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:57,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 23:14:57,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-11-23 23:14:57,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 60 [2024-11-23 23:14:57,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2024-11-23 23:14:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:57,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:57,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:14:57,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840398898] [2024-11-23 23:14:57,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840398898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:57,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:57,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:14:57,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575984366] [2024-11-23 23:14:57,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:57,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:14:57,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:14:57,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:14:57,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:57,348 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:58,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:58,920 INFO L93 Difference]: Finished difference Result 503 states and 704 transitions. [2024-11-23 23:14:58,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:14:58,921 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-23 23:14:58,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:58,925 INFO L225 Difference]: With dead ends: 503 [2024-11-23 23:14:58,925 INFO L226 Difference]: Without dead ends: 412 [2024-11-23 23:14:58,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:14:58,930 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 418 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:58,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1412 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 23:14:58,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-23 23:14:58,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 359. [2024-11-23 23:14:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 318 states have (on average 1.371069182389937) internal successors, (436), 318 states have internal predecessors, (436), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:14:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 508 transitions. [2024-11-23 23:14:59,008 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 508 transitions. Word has length 92 [2024-11-23 23:14:59,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:59,009 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 508 transitions. [2024-11-23 23:14:59,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:14:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 508 transitions. [2024-11-23 23:14:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-23 23:14:59,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:59,014 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:59,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:59,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:59,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:59,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:59,216 INFO L85 PathProgramCache]: Analyzing trace with hash 20350527, now seen corresponding path program 1 times [2024-11-23 23:14:59,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:14:59,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074360463] [2024-11-23 23:14:59,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:59,217 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 23:14:59,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:14:59,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:59,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:14:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:59,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:14:59,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:59,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:14:59,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-23 23:14:59,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-23 23:14:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:14:59,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:59,969 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:14:59,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074360463] [2024-11-23 23:14:59,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074360463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:59,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:59,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:59,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22562026] [2024-11-23 23:14:59,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:59,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:14:59,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:14:59,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:14:59,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:14:59,971 INFO L87 Difference]: Start difference. First operand 359 states and 508 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:00,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:00,695 INFO L93 Difference]: Finished difference Result 723 states and 1013 transitions. [2024-11-23 23:15:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:15:00,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-23 23:15:00,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:00,698 INFO L225 Difference]: With dead ends: 723 [2024-11-23 23:15:00,698 INFO L226 Difference]: Without dead ends: 367 [2024-11-23 23:15:00,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:15:00,699 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 405 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:00,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1013 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:15:00,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-23 23:15:00,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 271. [2024-11-23 23:15:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 240 states have (on average 1.3625) internal successors, (327), 240 states have internal predecessors, (327), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:15:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 381 transitions. [2024-11-23 23:15:00,720 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 381 transitions. Word has length 93 [2024-11-23 23:15:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:00,720 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 381 transitions. [2024-11-23 23:15:00,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:00,720 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 381 transitions. [2024-11-23 23:15:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-23 23:15:00,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:00,722 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:00,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:00,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:00,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:00,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:00,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2059599653, now seen corresponding path program 1 times [2024-11-23 23:15:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752054120] [2024-11-23 23:15:00,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:00,924 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 23:15:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:00,928 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:00,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (6)] Waiting until timeout for monitored process [2024-11-23 23:15:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:01,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:15:01,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:15:01,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:01,321 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:01,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752054120] [2024-11-23 23:15:01,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752054120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:01,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:01,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:15:01,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300990380] [2024-11-23 23:15:01,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:01,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:15:01,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:01,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:15:01,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:15:01,323 INFO L87 Difference]: Start difference. First operand 271 states and 381 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:01,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:01,368 INFO L93 Difference]: Finished difference Result 553 states and 779 transitions. [2024-11-23 23:15:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:15:01,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-23 23:15:01,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:01,370 INFO L225 Difference]: With dead ends: 553 [2024-11-23 23:15:01,371 INFO L226 Difference]: Without dead ends: 285 [2024-11-23 23:15:01,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:15:01,372 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 20 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:01,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 248 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:15:01,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-23 23:15:01,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 199. [2024-11-23 23:15:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 178 states have (on average 1.353932584269663) internal successors, (241), 178 states have internal predecessors, (241), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:15:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 277 transitions. [2024-11-23 23:15:01,387 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 277 transitions. Word has length 93 [2024-11-23 23:15:01,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:01,387 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 277 transitions. [2024-11-23 23:15:01,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 277 transitions. [2024-11-23 23:15:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 23:15:01,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:01,391 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:01,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:01,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:01,592 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:01,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:01,593 INFO L85 PathProgramCache]: Analyzing trace with hash 88970302, now seen corresponding path program 1 times [2024-11-23 23:15:01,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:01,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972503104] [2024-11-23 23:15:01,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:01,594 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 23:15:01,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:01,596 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:02,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:15:02,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:02,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:15:02,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 23:15:02,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2024-11-23 23:15:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:15:02,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:02,526 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:02,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972503104] [2024-11-23 23:15:02,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972503104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:02,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:02,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:15:02,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220005347] [2024-11-23 23:15:02,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:02,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:15:02,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:02,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:15:02,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:15:02,528 INFO L87 Difference]: Start difference. First operand 199 states and 277 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:03,252 INFO L93 Difference]: Finished difference Result 369 states and 508 transitions. [2024-11-23 23:15:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:15:03,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-23 23:15:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:03,254 INFO L225 Difference]: With dead ends: 369 [2024-11-23 23:15:03,254 INFO L226 Difference]: Without dead ends: 278 [2024-11-23 23:15:03,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:15:03,255 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 285 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:03,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 919 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:15:03,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-23 23:15:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 207. [2024-11-23 23:15:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 186 states have (on average 1.3548387096774193) internal successors, (252), 186 states have internal predecessors, (252), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:15:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2024-11-23 23:15:03,268 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 94 [2024-11-23 23:15:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:03,268 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2024-11-23 23:15:03,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2024-11-23 23:15:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 23:15:03,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:03,270 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:03,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:03,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:03,471 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:03,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:03,471 INFO L85 PathProgramCache]: Analyzing trace with hash 981629577, now seen corresponding path program 1 times [2024-11-23 23:15:03,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:03,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214652127] [2024-11-23 23:15:03,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:03,472 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 23:15:03,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:03,474 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:03,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (8)] Waiting until timeout for monitored process [2024-11-23 23:15:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:03,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:15:03,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:03,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:15:04,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-23 23:15:04,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-23 23:15:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:15:04,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:04,170 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:04,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214652127] [2024-11-23 23:15:04,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214652127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:04,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:04,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:15:04,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291266272] [2024-11-23 23:15:04,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:04,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:15:04,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:04,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:15:04,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:15:04,172 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:04,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:04,720 INFO L93 Difference]: Finished difference Result 418 states and 576 transitions. [2024-11-23 23:15:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:15:04,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-23 23:15:04,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:04,723 INFO L225 Difference]: With dead ends: 418 [2024-11-23 23:15:04,723 INFO L226 Difference]: Without dead ends: 319 [2024-11-23 23:15:04,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:15:04,724 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 328 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:04,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 949 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:15:04,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-23 23:15:04,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 203. [2024-11-23 23:15:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 182 states have (on average 1.3461538461538463) internal successors, (245), 182 states have internal predecessors, (245), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:15:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 281 transitions. [2024-11-23 23:15:04,737 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 281 transitions. Word has length 94 [2024-11-23 23:15:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:04,737 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 281 transitions. [2024-11-23 23:15:04,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 281 transitions. [2024-11-23 23:15:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-23 23:15:04,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:04,739 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:04,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (8)] Ended with exit code 0 [2024-11-23 23:15:04,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:04,939 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:04,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:04,940 INFO L85 PathProgramCache]: Analyzing trace with hash -186725034, now seen corresponding path program 1 times [2024-11-23 23:15:04,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:04,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446134939] [2024-11-23 23:15:04,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:04,940 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 23:15:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:04,942 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:04,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:05,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:15:05,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:05,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:15:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 23:15:05,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:06,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-23 23:15:06,147 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:06,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446134939] [2024-11-23 23:15:06,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446134939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:06,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1106047594] [2024-11-23 23:15:06,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:15:06,150 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:15:06,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-23 23:15:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:07,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:15:07,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:07,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 23:15:07,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-23 23:15:07,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 58 [2024-11-23 23:15:07,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-11-23 23:15:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:15:07,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:07,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1106047594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:07,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:15:07,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2024-11-23 23:15:07,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494455863] [2024-11-23 23:15:07,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:07,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:15:07,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:07,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:15:07,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:15:07,687 INFO L87 Difference]: Start difference. First operand 203 states and 281 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:09,097 INFO L93 Difference]: Finished difference Result 715 states and 992 transitions. [2024-11-23 23:15:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:15:09,097 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-11-23 23:15:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:09,101 INFO L225 Difference]: With dead ends: 715 [2024-11-23 23:15:09,101 INFO L226 Difference]: Without dead ends: 624 [2024-11-23 23:15:09,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:15:09,102 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 405 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:09,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1628 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:15:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-23 23:15:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 265. [2024-11-23 23:15:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 234 states have (on average 1.3418803418803418) internal successors, (314), 234 states have internal predecessors, (314), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:15:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 368 transitions. [2024-11-23 23:15:09,126 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 368 transitions. Word has length 95 [2024-11-23 23:15:09,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:09,126 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 368 transitions. [2024-11-23 23:15:09,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 368 transitions. [2024-11-23 23:15:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-23 23:15:09,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:09,128 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:09,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:09,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-23 23:15:09,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:09,529 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:09,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:09,529 INFO L85 PathProgramCache]: Analyzing trace with hash -320738540, now seen corresponding path program 1 times [2024-11-23 23:15:09,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:09,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457244438] [2024-11-23 23:15:09,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:09,530 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 23:15:09,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:09,531 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:09,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:09,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:15:09,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:09,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 23:15:10,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:15:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-23 23:15:10,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:11,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-23 23:15:11,332 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457244438] [2024-11-23 23:15:11,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457244438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1409102351] [2024-11-23 23:15:11,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:11,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:11,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:15:11,334 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:15:11,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-23 23:15:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:12,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:15:12,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:13,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-11-23 23:15:13,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-23 23:15:13,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2024-11-23 23:15:13,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:15:13,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 59 [2024-11-23 23:15:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 23:15:13,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:15:13,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1409102351] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:13,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:15:13,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 11] total 22 [2024-11-23 23:15:13,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099729875] [2024-11-23 23:15:13,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:13,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:15:13,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:13,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:15:13,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-23 23:15:13,818 INFO L87 Difference]: Start difference. First operand 265 states and 368 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:14,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:14,203 INFO L93 Difference]: Finished difference Result 446 states and 620 transitions. [2024-11-23 23:15:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:15:14,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-11-23 23:15:14,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:14,205 INFO L225 Difference]: With dead ends: 446 [2024-11-23 23:15:14,205 INFO L226 Difference]: Without dead ends: 355 [2024-11-23 23:15:14,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2024-11-23 23:15:14,206 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 110 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:14,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 588 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:15:14,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-23 23:15:14,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 217. [2024-11-23 23:15:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 196 states have (on average 1.346938775510204) internal successors, (264), 196 states have internal predecessors, (264), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:15:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 300 transitions. [2024-11-23 23:15:14,225 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 300 transitions. Word has length 95 [2024-11-23 23:15:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:14,225 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 300 transitions. [2024-11-23 23:15:14,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 300 transitions. [2024-11-23 23:15:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:15:14,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:14,227 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:14,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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)] Ended with exit code 0 [2024-11-23 23:15:14,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-23 23:15:14,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:14,628 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:14,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash -485344457, now seen corresponding path program 1 times [2024-11-23 23:15:14,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:14,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120338721] [2024-11-23 23:15:14,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:14,629 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 23:15:14,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:14,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:14,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (13)] Waiting until timeout for monitored process [2024-11-23 23:15:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:15,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:15:15,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:15,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 23:15:15,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-23 23:15:15,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-23 23:15:15,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-23 23:15:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:15:15,694 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:15,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:15,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120338721] [2024-11-23 23:15:15,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120338721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:15,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:15,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:15:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241261824] [2024-11-23 23:15:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:15,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:15:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:15,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:15:15,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:15:15,695 INFO L87 Difference]: Start difference. First operand 217 states and 300 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:17,610 INFO L93 Difference]: Finished difference Result 415 states and 574 transitions. [2024-11-23 23:15:17,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:15:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-23 23:15:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:17,612 INFO L225 Difference]: With dead ends: 415 [2024-11-23 23:15:17,612 INFO L226 Difference]: Without dead ends: 310 [2024-11-23 23:15:17,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:15:17,613 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 271 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:17,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 800 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 23:15:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-23 23:15:17,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 306. [2024-11-23 23:15:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 275 states have (on average 1.3490909090909091) internal successors, (371), 275 states have internal predecessors, (371), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:15:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 425 transitions. [2024-11-23 23:15:17,630 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 425 transitions. Word has length 96 [2024-11-23 23:15:17,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:17,630 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 425 transitions. [2024-11-23 23:15:17,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:15:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 425 transitions. [2024-11-23 23:15:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:15:17,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:17,632 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:17,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (13)] Ended with exit code 0 [2024-11-23 23:15:17,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:17,833 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:17,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:17,835 INFO L85 PathProgramCache]: Analyzing trace with hash 324002169, now seen corresponding path program 1 times [2024-11-23 23:15:17,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:17,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838631641] [2024-11-23 23:15:17,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:17,835 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 23:15:17,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:17,837 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:17,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (14)] Waiting until timeout for monitored process [2024-11-23 23:15:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:18,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:15:18,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:18,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 23:15:18,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:15:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-23 23:15:18,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:19,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-23 23:15:19,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:19,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838631641] [2024-11-23 23:15:19,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838631641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:19,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [426173175] [2024-11-23 23:15:19,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:15:19,565 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:15:19,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-23 23:15:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:21,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:15:21,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:21,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 23:15:21,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:15:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-23 23:15:21,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:21,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-23 23:15:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [426173175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:21,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:15:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-23 23:15:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277800106] [2024-11-23 23:15:21,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:15:21,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:15:21,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:21,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:15:21,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:15:21,899 INFO L87 Difference]: Start difference. First operand 306 states and 425 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:15:23,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:23,087 INFO L93 Difference]: Finished difference Result 814 states and 1124 transitions. [2024-11-23 23:15:23,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:15:23,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-11-23 23:15:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:23,091 INFO L225 Difference]: With dead ends: 814 [2024-11-23 23:15:23,091 INFO L226 Difference]: Without dead ends: 511 [2024-11-23 23:15:23,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 281 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:15:23,093 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 161 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:23,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 816 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:15:23,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-23 23:15:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 381. [2024-11-23 23:15:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 339 states have (on average 1.3333333333333333) internal successors, (452), 339 states have internal predecessors, (452), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:15:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 524 transitions. [2024-11-23 23:15:23,128 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 524 transitions. Word has length 96 [2024-11-23 23:15:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:23,130 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 524 transitions. [2024-11-23 23:15:23,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:15:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2024-11-23 23:15:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:15:23,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:23,132 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:23,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:23,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (14)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:23,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:23,532 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:23,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:23,533 INFO L85 PathProgramCache]: Analyzing trace with hash 542856887, now seen corresponding path program 1 times [2024-11-23 23:15:23,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:23,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125843218] [2024-11-23 23:15:23,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:23,533 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 23:15:23,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:23,535 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:23,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (16)] Waiting until timeout for monitored process [2024-11-23 23:15:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:24,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:15:24,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:24,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 23:15:24,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:15:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-23 23:15:24,524 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:24,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:15:24,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125843218] [2024-11-23 23:15:24,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125843218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:24,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [427844500] [2024-11-23 23:15:24,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:15:24,696 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:15:24,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-23 23:15:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:26,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:15:26,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:26,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 23:15:26,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:15:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-23 23:15:26,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:26,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [427844500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:26,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:15:26,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-23 23:15:26,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650036189] [2024-11-23 23:15:26,884 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:15:26,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:15:26,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:15:26,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:15:26,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:15:26,885 INFO L87 Difference]: Start difference. First operand 381 states and 524 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:15:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:28,272 INFO L93 Difference]: Finished difference Result 814 states and 1120 transitions. [2024-11-23 23:15:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:15:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-11-23 23:15:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:28,276 INFO L225 Difference]: With dead ends: 814 [2024-11-23 23:15:28,276 INFO L226 Difference]: Without dead ends: 511 [2024-11-23 23:15:28,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:15:28,279 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 154 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:28,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 819 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:15:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-23 23:15:28,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 381. [2024-11-23 23:15:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 339 states have (on average 1.3333333333333333) internal successors, (452), 339 states have internal predecessors, (452), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:15:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 524 transitions. [2024-11-23 23:15:28,315 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 524 transitions. Word has length 96 [2024-11-23 23:15:28,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:28,317 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 524 transitions. [2024-11-23 23:15:28,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:15:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2024-11-23 23:15:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:15:28,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:28,319 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:28,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-23 23:15:28,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (16)] Ended with exit code 0 [2024-11-23 23:15:28,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:28,720 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:28,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash 637583710, now seen corresponding path program 1 times [2024-11-23 23:15:28,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:15:28,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124071281] [2024-11-23 23:15:28,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:28,721 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 23:15:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:15:28,722 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 23:15:28,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e2c71b-72fc-408e-965e-636476836cb8/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 (18)] Waiting until timeout for monitored process