./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:31:08,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:31:08,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:31:08,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:31:08,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:31:08,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:31:08,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:31:08,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:31:08,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:31:08,954 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:31:08,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:31:08,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:31:08,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:31:08,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:31:08,958 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:31:08,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:31:08,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:31:08,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:31:08,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:31:08,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:31:08,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:31:08,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:31:08,960 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:31:08,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:31:08,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:31:08,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:31:08,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:31:08,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:31:08,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:31:08,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:31:08,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:31:08,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:31:08,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:31:08,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:31:08,963 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:31:08,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:31:08,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:31:08,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:31:08,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:31:08,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:31:08,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:31:08,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:31:08,964 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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 -> ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 [2024-11-24 01:31:09,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:31:09,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:31:09,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:31:09,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:31:09,423 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:31:09,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2024-11-24 01:31:13,187 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/268d4f456/f46b76a9674c4d589ef05b3a848f1127/FLAG9bf5c7dd4 [2024-11-24 01:31:13,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:31:13,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2024-11-24 01:31:13,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/268d4f456/f46b76a9674c4d589ef05b3a848f1127/FLAG9bf5c7dd4 [2024-11-24 01:31:13,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/268d4f456/f46b76a9674c4d589ef05b3a848f1127 [2024-11-24 01:31:13,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:31:13,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:31:13,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:31:13,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:31:13,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:31:13,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:31:13" (1/1) ... [2024-11-24 01:31:13,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc74b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:13, skipping insertion in model container [2024-11-24 01:31:13,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:31:13" (1/1) ... [2024-11-24 01:31:13,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:31:13,892 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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2024-11-24 01:31:14,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:31:14,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:31:14,033 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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2024-11-24 01:31:14,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:31:14,122 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:31:14,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14 WrapperNode [2024-11-24 01:31:14,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:31:14,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:31:14,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:31:14,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:31:14,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,215 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 530 [2024-11-24 01:31:14,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:31:14,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:31:14,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:31:14,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:31:14,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,287 INFO L175 MemorySlicer]: Split 134 memory accesses to 8 slices as follows [2, 16, 11, 54, 3, 4, 10, 34]. 40 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 2, 4, 1, 1, 2, 4]. The 19 writes are split as follows [0, 2, 2, 6, 1, 1, 2, 5]. [2024-11-24 01:31:14,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,324 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:31:14,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:31:14,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:31:14,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:31:14,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (1/1) ... [2024-11-24 01:31:14,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:31:14,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:31:14,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:31:14,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-24 01:31:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 01:31:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:31:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 01:31:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:31:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:31:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:31:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:31:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:31:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:31:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:31:14,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:31:14,663 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:31:14,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:31:15,528 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-11-24 01:31:15,529 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:31:15,552 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:31:15,553 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:31:15,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:31:15 BoogieIcfgContainer [2024-11-24 01:31:15,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:31:15,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:31:15,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:31:15,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:31:15,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:31:13" (1/3) ... [2024-11-24 01:31:15,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657bc5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:31:15, skipping insertion in model container [2024-11-24 01:31:15,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:14" (2/3) ... [2024-11-24 01:31:15,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657bc5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:31:15, skipping insertion in model container [2024-11-24 01:31:15,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:31:15" (3/3) ... [2024-11-24 01:31:15,565 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-88.i [2024-11-24 01:31:15,586 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:31:15,588 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-88.i that has 2 procedures, 119 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:31:15,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:31:15,692 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;@2072f6df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:31:15,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:31:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 100 states have internal predecessors, (141), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:31:15,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:31:15,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:15,716 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:15,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:15,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:15,726 INFO L85 PathProgramCache]: Analyzing trace with hash -918837053, now seen corresponding path program 1 times [2024-11-24 01:31:15,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:15,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725024853] [2024-11-24 01:31:15,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-24 01:31:16,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:16,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725024853] [2024-11-24 01:31:16,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725024853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:31:16,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412491192] [2024-11-24 01:31:16,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:16,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:31:16,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:31:16,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:31:16,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:31:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:16,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:31:16,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-24 01:31:16,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:16,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412491192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:16,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:31:16,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:31:16,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839369971] [2024-11-24 01:31:16,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:16,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:31:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:16,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:31:16,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:31:16,822 INFO L87 Difference]: Start difference. First operand has 119 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 100 states have internal predecessors, (141), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:16,856 INFO L93 Difference]: Finished difference Result 231 states and 361 transitions. [2024-11-24 01:31:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:31:16,858 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-24 01:31:16,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:16,866 INFO L225 Difference]: With dead ends: 231 [2024-11-24 01:31:16,866 INFO L226 Difference]: Without dead ends: 115 [2024-11-24 01:31:16,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:31:16,876 INFO L435 NwaCegarLoop]: 168 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, 168 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 [2024-11-24 01:31:16,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-24 01:31:16,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-24 01:31:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:31:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2024-11-24 01:31:16,931 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 143 [2024-11-24 01:31:16,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:16,932 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2024-11-24 01:31:16,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2024-11-24 01:31:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:31:16,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:16,936 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:16,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:31:17,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:31:17,141 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:17,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:17,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2048209707, now seen corresponding path program 1 times [2024-11-24 01:31:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:17,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797400724] [2024-11-24 01:31:17,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:17,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:17,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:17,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797400724] [2024-11-24 01:31:17,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797400724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:17,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:17,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:31:17,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895919799] [2024-11-24 01:31:17,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:17,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:31:17,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:17,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:31:17,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:17,718 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:17,811 INFO L93 Difference]: Finished difference Result 230 states and 337 transitions. [2024-11-24 01:31:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:31:17,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:31:17,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:17,816 INFO L225 Difference]: With dead ends: 230 [2024-11-24 01:31:17,816 INFO L226 Difference]: Without dead ends: 118 [2024-11-24 01:31:17,820 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 [2024-11-24 01:31:17,821 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:17,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 484 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:17,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-24 01:31:17,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-24 01:31:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:31:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2024-11-24 01:31:17,839 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 143 [2024-11-24 01:31:17,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:17,841 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2024-11-24 01:31:17,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2024-11-24 01:31:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:31:17,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:17,851 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:17,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:31:17,852 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:17,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:17,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1368151337, now seen corresponding path program 1 times [2024-11-24 01:31:17,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:17,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802005349] [2024-11-24 01:31:17,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:17,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:18,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:18,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802005349] [2024-11-24 01:31:18,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802005349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:18,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:18,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:31:18,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772923573] [2024-11-24 01:31:18,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:18,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:31:18,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:18,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:31:18,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:18,238 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:18,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:18,280 INFO L93 Difference]: Finished difference Result 234 states and 341 transitions. [2024-11-24 01:31:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:31:18,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:31:18,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:18,287 INFO L225 Difference]: With dead ends: 234 [2024-11-24 01:31:18,287 INFO L226 Difference]: Without dead ends: 120 [2024-11-24 01:31:18,288 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 [2024-11-24 01:31:18,289 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:18,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 485 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:18,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-24 01:31:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-24 01:31:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:31:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 172 transitions. [2024-11-24 01:31:18,316 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 172 transitions. Word has length 143 [2024-11-24 01:31:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:18,317 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 172 transitions. [2024-11-24 01:31:18,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2024-11-24 01:31:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:31:18,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:18,323 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:18,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:31:18,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:18,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash 406856025, now seen corresponding path program 1 times [2024-11-24 01:31:18,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:18,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596612712] [2024-11-24 01:31:18,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:18,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:18,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:18,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596612712] [2024-11-24 01:31:18,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596612712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:18,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:18,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:31:18,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805055896] [2024-11-24 01:31:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:18,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:31:18,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:18,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:31:18,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:18,643 INFO L87 Difference]: Start difference. First operand 119 states and 172 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:18,685 INFO L93 Difference]: Finished difference Result 238 states and 345 transitions. [2024-11-24 01:31:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:31:18,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:31:18,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:18,688 INFO L225 Difference]: With dead ends: 238 [2024-11-24 01:31:18,688 INFO L226 Difference]: Without dead ends: 122 [2024-11-24 01:31:18,689 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 [2024-11-24 01:31:18,690 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:18,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-24 01:31:18,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-24 01:31:18,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 102 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:31:18,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2024-11-24 01:31:18,702 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 143 [2024-11-24 01:31:18,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:18,702 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2024-11-24 01:31:18,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:18,703 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2024-11-24 01:31:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:31:18,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:18,709 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:18,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:31:18,710 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:18,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:18,710 INFO L85 PathProgramCache]: Analyzing trace with hash 408703067, now seen corresponding path program 1 times [2024-11-24 01:31:18,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:18,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177179] [2024-11-24 01:31:18,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:18,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:19,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:19,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177179] [2024-11-24 01:31:19,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:19,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:19,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:31:19,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271229624] [2024-11-24 01:31:19,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:19,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:31:19,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:19,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:31:19,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:31:19,883 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:20,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:20,159 INFO L93 Difference]: Finished difference Result 266 states and 382 transitions. [2024-11-24 01:31:20,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:20,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:31:20,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:20,163 INFO L225 Difference]: With dead ends: 266 [2024-11-24 01:31:20,166 INFO L226 Difference]: Without dead ends: 148 [2024-11-24 01:31:20,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:20,168 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 108 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:20,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 571 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:31:20,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-24 01:31:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-11-24 01:31:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 120 states have (on average 1.3416666666666666) internal successors, (161), 121 states have internal predecessors, (161), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:31:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 209 transitions. [2024-11-24 01:31:20,185 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 209 transitions. Word has length 143 [2024-11-24 01:31:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:20,185 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 209 transitions. [2024-11-24 01:31:20,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 209 transitions. [2024-11-24 01:31:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 01:31:20,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:20,189 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:20,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:31:20,189 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:20,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:20,190 INFO L85 PathProgramCache]: Analyzing trace with hash 639395789, now seen corresponding path program 1 times [2024-11-24 01:31:20,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:20,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313013348] [2024-11-24 01:31:20,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:20,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 01:31:20,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:20,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313013348] [2024-11-24 01:31:20,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313013348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:31:20,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663657022] [2024-11-24 01:31:20,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:20,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:31:20,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:31:20,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:31:20,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:31:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:21,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:31:21,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:21,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:21,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663657022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:21,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:31:21,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 01:31:21,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149540583] [2024-11-24 01:31:21,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:21,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:31:21,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:21,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:31:21,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:31:21,178 INFO L87 Difference]: Start difference. First operand 147 states and 209 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:21,264 INFO L93 Difference]: Finished difference Result 274 states and 389 transitions. [2024-11-24 01:31:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:21,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-24 01:31:21,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:21,275 INFO L225 Difference]: With dead ends: 274 [2024-11-24 01:31:21,275 INFO L226 Difference]: Without dead ends: 150 [2024-11-24 01:31:21,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:31:21,277 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:21,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 643 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:21,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-24 01:31:21,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-24 01:31:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.3333333333333333) internal successors, (164), 124 states have internal predecessors, (164), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:31:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 212 transitions. [2024-11-24 01:31:21,315 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 212 transitions. Word has length 145 [2024-11-24 01:31:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:21,316 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 212 transitions. [2024-11-24 01:31:21,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 212 transitions. [2024-11-24 01:31:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 01:31:21,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:21,320 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:21,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:31:21,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 01:31:21,525 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:21,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1909797871, now seen corresponding path program 1 times [2024-11-24 01:31:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:21,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189473966] [2024-11-24 01:31:21,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:22,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189473966] [2024-11-24 01:31:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189473966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:22,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:22,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:31:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206200275] [2024-11-24 01:31:22,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:22,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:31:22,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:22,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:31:22,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:22,639 INFO L87 Difference]: Start difference. First operand 150 states and 212 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:22,941 INFO L93 Difference]: Finished difference Result 278 states and 392 transitions. [2024-11-24 01:31:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:31:22,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-24 01:31:22,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:22,945 INFO L225 Difference]: With dead ends: 278 [2024-11-24 01:31:22,945 INFO L226 Difference]: Without dead ends: 151 [2024-11-24 01:31:22,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:31:22,947 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 103 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:22,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 731 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:31:22,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-24 01:31:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2024-11-24 01:31:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 122 states have internal predecessors, (161), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:31:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 209 transitions. [2024-11-24 01:31:22,963 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 209 transitions. Word has length 146 [2024-11-24 01:31:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:22,963 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 209 transitions. [2024-11-24 01:31:22,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 209 transitions. [2024-11-24 01:31:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 01:31:22,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:22,966 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:22,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:31:22,967 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:22,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:22,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1656837134, now seen corresponding path program 1 times [2024-11-24 01:31:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:22,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253849847] [2024-11-24 01:31:22,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:23,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:23,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253849847] [2024-11-24 01:31:23,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253849847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:23,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:23,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:31:23,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994851595] [2024-11-24 01:31:23,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:23,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:31:23,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:23,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:31:23,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:23,964 INFO L87 Difference]: Start difference. First operand 148 states and 209 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:24,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:24,295 INFO L93 Difference]: Finished difference Result 316 states and 447 transitions. [2024-11-24 01:31:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:31:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-11-24 01:31:24,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:24,298 INFO L225 Difference]: With dead ends: 316 [2024-11-24 01:31:24,298 INFO L226 Difference]: Without dead ends: 191 [2024-11-24 01:31:24,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:31:24,299 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 86 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:24,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 450 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:31:24,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-24 01:31:24,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2024-11-24 01:31:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 138 states have (on average 1.289855072463768) internal successors, (178), 138 states have internal predecessors, (178), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:31:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 246 transitions. [2024-11-24 01:31:24,326 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 246 transitions. Word has length 147 [2024-11-24 01:31:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:24,327 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 246 transitions. [2024-11-24 01:31:24,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 246 transitions. [2024-11-24 01:31:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 01:31:24,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:24,330 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:24,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:31:24,330 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:24,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:24,331 INFO L85 PathProgramCache]: Analyzing trace with hash -106459473, now seen corresponding path program 1 times [2024-11-24 01:31:24,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:24,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813495576] [2024-11-24 01:31:24,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:24,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:24,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813495576] [2024-11-24 01:31:24,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813495576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:24,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:24,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:31:24,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222972914] [2024-11-24 01:31:24,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:24,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:31:24,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:24,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:31:24,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:31:24,591 INFO L87 Difference]: Start difference. First operand 176 states and 246 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:24,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:24,649 INFO L93 Difference]: Finished difference Result 372 states and 523 transitions. [2024-11-24 01:31:24,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:31:24,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-24 01:31:24,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:24,653 INFO L225 Difference]: With dead ends: 372 [2024-11-24 01:31:24,654 INFO L226 Difference]: Without dead ends: 247 [2024-11-24 01:31:24,655 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 [2024-11-24 01:31:24,656 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 85 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:24,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 313 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-24 01:31:24,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 198. [2024-11-24 01:31:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 160 states have (on average 1.325) internal successors, (212), 160 states have internal predecessors, (212), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:31:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 280 transitions. [2024-11-24 01:31:24,695 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 280 transitions. Word has length 149 [2024-11-24 01:31:24,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:24,696 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 280 transitions. [2024-11-24 01:31:24,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 280 transitions. [2024-11-24 01:31:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:31:24,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:24,702 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:24,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:31:24,702 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:24,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2087024059, now seen corresponding path program 1 times [2024-11-24 01:31:24,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:24,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664478843] [2024-11-24 01:31:24,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:24,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:24,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:24,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664478843] [2024-11-24 01:31:24,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664478843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:24,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:24,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:31:24,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017068184] [2024-11-24 01:31:24,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:24,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:31:24,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:24,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:31:24,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:31:24,913 INFO L87 Difference]: Start difference. First operand 198 states and 280 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:24,982 INFO L93 Difference]: Finished difference Result 417 states and 592 transitions. [2024-11-24 01:31:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:31:24,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:31:24,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:24,991 INFO L225 Difference]: With dead ends: 417 [2024-11-24 01:31:24,991 INFO L226 Difference]: Without dead ends: 270 [2024-11-24 01:31:24,992 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 [2024-11-24 01:31:24,993 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 82 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:24,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 316 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:24,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-24 01:31:25,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 221. [2024-11-24 01:31:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 183 states have (on average 1.349726775956284) internal successors, (247), 183 states have internal predecessors, (247), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:31:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 315 transitions. [2024-11-24 01:31:25,030 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 315 transitions. Word has length 150 [2024-11-24 01:31:25,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:25,031 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 315 transitions. [2024-11-24 01:31:25,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 315 transitions. [2024-11-24 01:31:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 01:31:25,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:25,034 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:25,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:31:25,036 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:25,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:25,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1164516556, now seen corresponding path program 1 times [2024-11-24 01:31:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:25,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775645889] [2024-11-24 01:31:25,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:25,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:25,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:25,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775645889] [2024-11-24 01:31:25,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775645889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:25,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:25,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:31:25,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016599640] [2024-11-24 01:31:25,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:25,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:31:25,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:25,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:31:25,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:25,916 INFO L87 Difference]: Start difference. First operand 221 states and 315 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:26,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:26,400 INFO L93 Difference]: Finished difference Result 406 states and 583 transitions. [2024-11-24 01:31:26,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:26,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-24 01:31:26,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:26,403 INFO L225 Difference]: With dead ends: 406 [2024-11-24 01:31:26,403 INFO L226 Difference]: Without dead ends: 236 [2024-11-24 01:31:26,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:31:26,409 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 85 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:26,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 704 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:31:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-24 01:31:26,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2024-11-24 01:31:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 186 states have (on average 1.3440860215053763) internal successors, (250), 186 states have internal predecessors, (250), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:31:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 318 transitions. [2024-11-24 01:31:26,441 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 318 transitions. Word has length 151 [2024-11-24 01:31:26,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:26,445 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 318 transitions. [2024-11-24 01:31:26,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 318 transitions. [2024-11-24 01:31:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 01:31:26,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:26,451 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:26,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:31:26,452 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:26,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:26,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1558883342, now seen corresponding path program 1 times [2024-11-24 01:31:26,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:26,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906829409] [2024-11-24 01:31:26,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:27,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:27,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906829409] [2024-11-24 01:31:27,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906829409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:27,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:27,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:31:27,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001655820] [2024-11-24 01:31:27,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:27,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:31:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:27,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:31:27,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:27,549 INFO L87 Difference]: Start difference. First operand 224 states and 318 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:27,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:27,746 INFO L93 Difference]: Finished difference Result 508 states and 721 transitions. [2024-11-24 01:31:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:31:27,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-11-24 01:31:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:27,750 INFO L225 Difference]: With dead ends: 508 [2024-11-24 01:31:27,751 INFO L226 Difference]: Without dead ends: 338 [2024-11-24 01:31:27,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:27,752 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 148 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:27,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 603 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:27,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-24 01:31:27,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 335. [2024-11-24 01:31:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 293 states have (on average 1.3686006825938566) internal successors, (401), 294 states have internal predecessors, (401), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 01:31:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 473 transitions. [2024-11-24 01:31:27,793 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 473 transitions. Word has length 151 [2024-11-24 01:31:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:27,797 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 473 transitions. [2024-11-24 01:31:27,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 473 transitions. [2024-11-24 01:31:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:31:27,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:27,801 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:27,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:31:27,805 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:27,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:27,805 INFO L85 PathProgramCache]: Analyzing trace with hash 785571257, now seen corresponding path program 1 times [2024-11-24 01:31:27,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:27,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535347821] [2024-11-24 01:31:27,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:27,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:29,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:29,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535347821] [2024-11-24 01:31:29,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535347821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:29,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:29,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:31:29,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759237125] [2024-11-24 01:31:29,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:29,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:31:29,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:29,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:31:29,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:29,708 INFO L87 Difference]: Start difference. First operand 335 states and 473 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:30,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:30,057 INFO L93 Difference]: Finished difference Result 775 states and 1086 transitions. [2024-11-24 01:31:30,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:31:30,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-24 01:31:30,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:30,064 INFO L225 Difference]: With dead ends: 775 [2024-11-24 01:31:30,064 INFO L226 Difference]: Without dead ends: 498 [2024-11-24 01:31:30,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:31:30,067 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 101 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:30,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1121 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:31:30,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-24 01:31:30,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 495. [2024-11-24 01:31:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 435 states have (on average 1.3402298850574712) internal successors, (583), 438 states have internal predecessors, (583), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:31:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 685 transitions. [2024-11-24 01:31:30,130 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 685 transitions. Word has length 152 [2024-11-24 01:31:30,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:30,133 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 685 transitions. [2024-11-24 01:31:30,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 685 transitions. [2024-11-24 01:31:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 01:31:30,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:30,137 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:30,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:31:30,138 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:30,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:30,138 INFO L85 PathProgramCache]: Analyzing trace with hash -428660984, now seen corresponding path program 1 times [2024-11-24 01:31:30,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:30,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353411197] [2024-11-24 01:31:30,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:30,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:30,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353411197] [2024-11-24 01:31:30,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353411197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:30,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:30,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:31:30,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315982028] [2024-11-24 01:31:30,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:30,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:31:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:30,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:31:30,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:30,939 INFO L87 Difference]: Start difference. First operand 495 states and 685 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:31,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:31,159 INFO L93 Difference]: Finished difference Result 1112 states and 1539 transitions. [2024-11-24 01:31:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:31:31,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-24 01:31:31,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:31,165 INFO L225 Difference]: With dead ends: 1112 [2024-11-24 01:31:31,165 INFO L226 Difference]: Without dead ends: 675 [2024-11-24 01:31:31,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:31,167 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 95 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:31,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1002 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:31,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-24 01:31:31,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 586. [2024-11-24 01:31:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 526 states have (on average 1.355513307984791) internal successors, (713), 529 states have internal predecessors, (713), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:31:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 815 transitions. [2024-11-24 01:31:31,230 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 815 transitions. Word has length 153 [2024-11-24 01:31:31,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:31,231 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 815 transitions. [2024-11-24 01:31:31,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 815 transitions. [2024-11-24 01:31:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:31:31,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:31,235 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:31,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:31:31,235 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:31,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash 759379828, now seen corresponding path program 1 times [2024-11-24 01:31:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:31,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399317062] [2024-11-24 01:31:31,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:31,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:31,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399317062] [2024-11-24 01:31:31,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399317062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:31,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:31,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:31:31,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501034337] [2024-11-24 01:31:31,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:31,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:31:31,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:31,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:31:31,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:31:31,395 INFO L87 Difference]: Start difference. First operand 586 states and 815 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:31,459 INFO L93 Difference]: Finished difference Result 1123 states and 1572 transitions. [2024-11-24 01:31:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:31:31,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-24 01:31:31,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:31,467 INFO L225 Difference]: With dead ends: 1123 [2024-11-24 01:31:31,467 INFO L226 Difference]: Without dead ends: 595 [2024-11-24 01:31:31,469 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 [2024-11-24 01:31:31,470 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 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 [2024-11-24 01:31:31,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:31,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-24 01:31:31,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-24 01:31:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 535 states have (on average 1.3495327102803738) internal successors, (722), 538 states have internal predecessors, (722), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:31:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 824 transitions. [2024-11-24 01:31:31,563 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 824 transitions. Word has length 154 [2024-11-24 01:31:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:31,564 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 824 transitions. [2024-11-24 01:31:31,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 824 transitions. [2024-11-24 01:31:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:31:31,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:31,568 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:31,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:31:31,569 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:31,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:31,570 INFO L85 PathProgramCache]: Analyzing trace with hash -818230971, now seen corresponding path program 1 times [2024-11-24 01:31:31,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:31,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697388396] [2024-11-24 01:31:31,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:31,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:33,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:33,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697388396] [2024-11-24 01:31:33,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697388396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:33,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:33,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:31:33,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811297349] [2024-11-24 01:31:33,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:33,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:31:33,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:33,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:31:33,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:33,218 INFO L87 Difference]: Start difference. First operand 595 states and 824 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:33,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:33,527 INFO L93 Difference]: Finished difference Result 617 states and 847 transitions. [2024-11-24 01:31:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:31:33,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2024-11-24 01:31:33,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:33,531 INFO L225 Difference]: With dead ends: 617 [2024-11-24 01:31:33,532 INFO L226 Difference]: Without dead ends: 615 [2024-11-24 01:31:33,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:31:33,533 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 87 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:33,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1058 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:31:33,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2024-11-24 01:31:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2024-11-24 01:31:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 553 states have (on average 1.3381555153707052) internal successors, (740), 556 states have internal predecessors, (740), 51 states have call successors, (51), 10 states have call predecessors, (51), 10 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:31:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 842 transitions. [2024-11-24 01:31:33,601 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 842 transitions. Word has length 154 [2024-11-24 01:31:33,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:33,601 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 842 transitions. [2024-11-24 01:31:33,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 842 transitions. [2024-11-24 01:31:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:31:33,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:33,605 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:33,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:31:33,605 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:33,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash -816383929, now seen corresponding path program 1 times [2024-11-24 01:31:33,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:33,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292938240] [2024-11-24 01:31:33,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:33,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 01:31:35,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292938240] [2024-11-24 01:31:35,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292938240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:31:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933174629] [2024-11-24 01:31:35,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:35,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:31:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:31:35,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:31:35,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:31:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:35,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 01:31:35,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:36,177 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 27 treesize of output 15 [2024-11-24 01:31:36,234 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 31 treesize of output 15 [2024-11-24 01:31:36,565 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 29 treesize of output 13 [2024-11-24 01:31:36,716 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 29 treesize of output 13 [2024-11-24 01:31:36,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:31:36,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2024-11-24 01:31:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-24 01:31:37,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:31:37,660 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 29 treesize of output 21 [2024-11-24 01:31:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 01:31:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933174629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:31:37,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:31:37,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 22 [2024-11-24 01:31:37,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953305631] [2024-11-24 01:31:37,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:31:37,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:31:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:37,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:31:37,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:31:37,938 INFO L87 Difference]: Start difference. First operand 615 states and 842 transitions. Second operand has 22 states, 18 states have (on average 8.833333333333334) internal successors, (159), 22 states have internal predecessors, (159), 10 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 6 states have call predecessors, (51), 10 states have call successors, (51) [2024-11-24 01:31:40,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:40,482 INFO L93 Difference]: Finished difference Result 1693 states and 2299 transitions. [2024-11-24 01:31:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 01:31:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.833333333333334) internal successors, (159), 22 states have internal predecessors, (159), 10 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 6 states have call predecessors, (51), 10 states have call successors, (51) Word has length 154 [2024-11-24 01:31:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:40,493 INFO L225 Difference]: With dead ends: 1693 [2024-11-24 01:31:40,494 INFO L226 Difference]: Without dead ends: 1136 [2024-11-24 01:31:40,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=321, Invalid=1085, Unknown=0, NotChecked=0, Total=1406 [2024-11-24 01:31:40,497 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 325 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:40,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1545 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:31:40,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2024-11-24 01:31:40,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1062. [2024-11-24 01:31:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 958 states have (on average 1.3277661795407099) internal successors, (1272), 964 states have internal predecessors, (1272), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:31:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1438 transitions. [2024-11-24 01:31:40,616 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1438 transitions. Word has length 154 [2024-11-24 01:31:40,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:40,617 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1438 transitions. [2024-11-24 01:31:40,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.833333333333334) internal successors, (159), 22 states have internal predecessors, (159), 10 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 6 states have call predecessors, (51), 10 states have call successors, (51) [2024-11-24 01:31:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1438 transitions. [2024-11-24 01:31:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-24 01:31:40,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:40,621 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:40,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:31:40,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:31:40,822 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:40,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash -738109405, now seen corresponding path program 1 times [2024-11-24 01:31:40,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:40,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672629896] [2024-11-24 01:31:40,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:41,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:41,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672629896] [2024-11-24 01:31:41,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672629896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:41,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:41,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:31:41,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971988042] [2024-11-24 01:31:41,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:41,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:31:41,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:41,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:31:41,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:41,548 INFO L87 Difference]: Start difference. First operand 1062 states and 1438 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:41,788 INFO L93 Difference]: Finished difference Result 1716 states and 2326 transitions. [2024-11-24 01:31:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:31:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-24 01:31:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:41,796 INFO L225 Difference]: With dead ends: 1716 [2024-11-24 01:31:41,796 INFO L226 Difference]: Without dead ends: 1159 [2024-11-24 01:31:41,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:41,799 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 160 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:41,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 813 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:41,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-11-24 01:31:41,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1064. [2024-11-24 01:31:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 960 states have (on average 1.3270833333333334) internal successors, (1274), 966 states have internal predecessors, (1274), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:31:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1440 transitions. [2024-11-24 01:31:41,905 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1440 transitions. Word has length 155 [2024-11-24 01:31:41,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:41,905 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1440 transitions. [2024-11-24 01:31:41,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1440 transitions. [2024-11-24 01:31:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-24 01:31:41,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:41,909 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:41,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:31:41,909 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:41,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:41,910 INFO L85 PathProgramCache]: Analyzing trace with hash -519254687, now seen corresponding path program 1 times [2024-11-24 01:31:41,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:41,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475621993] [2024-11-24 01:31:41,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:41,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:42,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:42,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475621993] [2024-11-24 01:31:42,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475621993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:42,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:42,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:31:42,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798882247] [2024-11-24 01:31:42,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:42,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:31:42,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:42,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:31:42,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:31:42,435 INFO L87 Difference]: Start difference. First operand 1064 states and 1440 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:42,776 INFO L93 Difference]: Finished difference Result 2353 states and 3182 transitions. [2024-11-24 01:31:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:31:42,777 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-24 01:31:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:42,784 INFO L225 Difference]: With dead ends: 2353 [2024-11-24 01:31:42,784 INFO L226 Difference]: Without dead ends: 1351 [2024-11-24 01:31:42,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:31:42,787 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 148 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:42,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1075 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:31:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-11-24 01:31:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1147. [2024-11-24 01:31:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1043 states have (on average 1.3231064237775647) internal successors, (1380), 1049 states have internal predecessors, (1380), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:31:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1546 transitions. [2024-11-24 01:31:42,918 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1546 transitions. Word has length 155 [2024-11-24 01:31:42,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:42,918 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1546 transitions. [2024-11-24 01:31:42,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1546 transitions. [2024-11-24 01:31:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 01:31:42,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:42,922 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:42,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:31:42,922 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:42,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:42,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1730192716, now seen corresponding path program 1 times [2024-11-24 01:31:42,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:42,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505205206] [2024-11-24 01:31:42,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:44,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:44,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505205206] [2024-11-24 01:31:44,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505205206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:44,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:44,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:31:44,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760039228] [2024-11-24 01:31:44,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:44,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:31:44,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:44,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:31:44,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:31:44,539 INFO L87 Difference]: Start difference. First operand 1147 states and 1546 transitions. Second operand has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:45,591 INFO L93 Difference]: Finished difference Result 2589 states and 3485 transitions. [2024-11-24 01:31:45,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:31:45,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2024-11-24 01:31:45,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:45,602 INFO L225 Difference]: With dead ends: 2589 [2024-11-24 01:31:45,602 INFO L226 Difference]: Without dead ends: 1587 [2024-11-24 01:31:45,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:31:45,606 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 262 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:45,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 712 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:31:45,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2024-11-24 01:31:45,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1354. [2024-11-24 01:31:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1249 states have (on average 1.3290632506004805) internal successors, (1660), 1255 states have internal predecessors, (1660), 83 states have call successors, (83), 21 states have call predecessors, (83), 21 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:31:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1826 transitions. [2024-11-24 01:31:45,745 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1826 transitions. Word has length 156 [2024-11-24 01:31:45,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:45,746 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 1826 transitions. [2024-11-24 01:31:45,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1826 transitions. [2024-11-24 01:31:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 01:31:45,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:45,751 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:45,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:31:45,752 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:45,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:45,753 INFO L85 PathProgramCache]: Analyzing trace with hash 302901733, now seen corresponding path program 1 times [2024-11-24 01:31:45,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:45,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889548004] [2024-11-24 01:31:45,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:45,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:45,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:45,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889548004] [2024-11-24 01:31:45,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889548004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:45,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:45,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:31:45,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966219974] [2024-11-24 01:31:45,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:45,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:31:45,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:45,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:31:45,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:31:45,882 INFO L87 Difference]: Start difference. First operand 1354 states and 1826 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:45,999 INFO L93 Difference]: Finished difference Result 2550 states and 3463 transitions. [2024-11-24 01:31:45,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:31:46,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-24 01:31:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:46,007 INFO L225 Difference]: With dead ends: 2550 [2024-11-24 01:31:46,007 INFO L226 Difference]: Without dead ends: 1366 [2024-11-24 01:31:46,010 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 [2024-11-24 01:31:46,012 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:46,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:31:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-11-24 01:31:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1366. [2024-11-24 01:31:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1261 states have (on average 1.3259318001586042) internal successors, (1672), 1267 states have internal predecessors, (1672), 83 states have call successors, (83), 21 states have call predecessors, (83), 21 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:31:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1838 transitions. [2024-11-24 01:31:46,131 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1838 transitions. Word has length 156 [2024-11-24 01:31:46,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:46,131 INFO L471 AbstractCegarLoop]: Abstraction has 1366 states and 1838 transitions. [2024-11-24 01:31:46,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1838 transitions. [2024-11-24 01:31:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 01:31:46,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:46,135 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:46,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:31:46,135 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:46,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:46,136 INFO L85 PathProgramCache]: Analyzing trace with hash 886187214, now seen corresponding path program 1 times [2024-11-24 01:31:46,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:46,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105973349] [2024-11-24 01:31:46,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:46,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:46,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:46,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105973349] [2024-11-24 01:31:46,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105973349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:46,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:46,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:31:46,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405050964] [2024-11-24 01:31:46,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:46,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:31:46,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:46,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:31:46,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:46,663 INFO L87 Difference]: Start difference. First operand 1366 states and 1838 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:47,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:47,029 INFO L93 Difference]: Finished difference Result 2307 states and 3121 transitions. [2024-11-24 01:31:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:31:47,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-24 01:31:47,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:47,036 INFO L225 Difference]: With dead ends: 2307 [2024-11-24 01:31:47,037 INFO L226 Difference]: Without dead ends: 1090 [2024-11-24 01:31:47,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:47,042 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 108 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:47,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 395 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:31:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2024-11-24 01:31:47,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1058. [2024-11-24 01:31:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 969 states have (on average 1.3188854489164086) internal successors, (1278), 973 states have internal predecessors, (1278), 70 states have call successors, (70), 18 states have call predecessors, (70), 18 states have return successors, (70), 66 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-24 01:31:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1418 transitions. [2024-11-24 01:31:47,135 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1418 transitions. Word has length 156 [2024-11-24 01:31:47,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:47,137 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1418 transitions. [2024-11-24 01:31:47,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1418 transitions. [2024-11-24 01:31:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 01:31:47,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:47,140 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:47,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 01:31:47,141 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:47,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:47,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1097533132, now seen corresponding path program 1 times [2024-11-24 01:31:47,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:47,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346644959] [2024-11-24 01:31:47,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:47,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:47,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346644959] [2024-11-24 01:31:47,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346644959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:47,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:47,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:31:47,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261647548] [2024-11-24 01:31:47,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:47,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:31:47,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:47,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:31:47,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:47,715 INFO L87 Difference]: Start difference. First operand 1058 states and 1418 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:47,923 INFO L93 Difference]: Finished difference Result 1713 states and 2302 transitions. [2024-11-24 01:31:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:31:47,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2024-11-24 01:31:47,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:47,930 INFO L225 Difference]: With dead ends: 1713 [2024-11-24 01:31:47,931 INFO L226 Difference]: Without dead ends: 1124 [2024-11-24 01:31:47,933 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 [2024-11-24 01:31:47,933 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 170 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:47,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 616 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-24 01:31:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1026. [2024-11-24 01:31:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 937 states have (on average 1.3116328708644611) internal successors, (1229), 941 states have internal predecessors, (1229), 70 states have call successors, (70), 18 states have call predecessors, (70), 18 states have return successors, (70), 66 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-24 01:31:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1369 transitions. [2024-11-24 01:31:48,019 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1369 transitions. Word has length 156 [2024-11-24 01:31:48,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:48,020 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1369 transitions. [2024-11-24 01:31:48,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:31:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1369 transitions. [2024-11-24 01:31:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-24 01:31:48,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:48,023 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:48,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 01:31:48,023 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:48,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:48,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1823122110, now seen corresponding path program 1 times [2024-11-24 01:31:48,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:48,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681548971] [2024-11-24 01:31:48,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:48,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:48,986 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:31:48,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:31:48,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681548971] [2024-11-24 01:31:48,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681548971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:48,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:48,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:31:48,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640518301] [2024-11-24 01:31:48,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:48,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:31:48,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:31:48,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:31:48,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:31:48,989 INFO L87 Difference]: Start difference. First operand 1026 states and 1369 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:49,903 INFO L93 Difference]: Finished difference Result 2371 states and 3168 transitions. [2024-11-24 01:31:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:31:49,904 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 158 [2024-11-24 01:31:49,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:49,914 INFO L225 Difference]: With dead ends: 2371 [2024-11-24 01:31:49,914 INFO L226 Difference]: Without dead ends: 1468 [2024-11-24 01:31:49,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:31:49,917 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 482 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:49,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 878 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:31:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2024-11-24 01:31:50,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1289. [2024-11-24 01:31:50,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1176 states have (on average 1.2976190476190477) internal successors, (1526), 1182 states have internal predecessors, (1526), 89 states have call successors, (89), 23 states have call predecessors, (89), 23 states have return successors, (89), 83 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-24 01:31:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1704 transitions. [2024-11-24 01:31:50,024 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1704 transitions. Word has length 158 [2024-11-24 01:31:50,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:50,025 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1704 transitions. [2024-11-24 01:31:50,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:31:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1704 transitions. [2024-11-24 01:31:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-24 01:31:50,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:50,028 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:50,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 01:31:50,028 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:50,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:50,029 INFO L85 PathProgramCache]: Analyzing trace with hash -242467503, now seen corresponding path program 1 times [2024-11-24 01:31:50,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:31:50,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836312370] [2024-11-24 01:31:50,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:50,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:31:50,181 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:31:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:31:50,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:31:50,426 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:31:50,427 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:31:50,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 01:31:50,433 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:50,629 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:31:50,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:31:50 BoogieIcfgContainer [2024-11-24 01:31:50,638 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:31:50,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:31:50,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:31:50,639 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:31:50,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:31:15" (3/4) ... [2024-11-24 01:31:50,644 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:31:50,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:31:50,646 INFO L158 Benchmark]: Toolchain (without parser) took 36973.52ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 92.1MB in the beginning and 243.4MB in the end (delta: -151.3MB). Peak memory consumption was 335.6MB. Max. memory is 16.1GB. [2024-11-24 01:31:50,646 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:31:50,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.68ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:31:50,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.87ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 72.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:31:50,647 INFO L158 Benchmark]: Boogie Preprocessor took 127.18ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 68.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:31:50,647 INFO L158 Benchmark]: RCFGBuilder took 1209.84ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 85.2MB in the end (delta: -16.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-11-24 01:31:50,647 INFO L158 Benchmark]: TraceAbstraction took 35080.17ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 84.6MB in the beginning and 243.5MB in the end (delta: -158.9MB). Peak memory consumption was 329.1MB. Max. memory is 16.1GB. [2024-11-24 01:31:50,648 INFO L158 Benchmark]: Witness Printer took 6.81ms. Allocated memory is still 604.0MB. Free memory was 243.5MB in the beginning and 243.4MB in the end (delta: 68.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:31:50,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.68ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.87ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 72.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 127.18ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 68.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1209.84ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 85.2MB in the end (delta: -16.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 35080.17ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 84.6MB in the beginning and 243.5MB in the end (delta: -158.9MB). Peak memory consumption was 329.1MB. Max. memory is 16.1GB. * Witness Printer took 6.81ms. Allocated memory is still 604.0MB. Free memory was 243.5MB in the beginning and 243.4MB in the end (delta: 68.6kB). 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 108, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of bitwiseOr at line 49, overapproximation of bitwiseOr at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] float float_Array_0[2] = { 1000000.5, 4.5 }; [L25-L27] float float_Array_0[2] = { 1000000.5, 4.5 }; [L25-L27] float float_Array_0[2] = { 1000000.5, 4.5 }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 64 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 64 }; [L34-L36] signed short int signed_short_int_Array_0[1] = { -16 }; [L34-L36] signed short int signed_short_int_Array_0[1] = { -16 }; [L37-L39] unsigned char unsigned_char_Array_0[2] = { 0, 128 }; [L37-L39] unsigned char unsigned_char_Array_0[2] = { 0, 128 }; [L37-L39] unsigned char unsigned_char_Array_0[2] = { 0, 128 }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L43] signed short int last_1_signed_short_int_Array_0_0_ = -16; [L44] unsigned char last_1_unsigned_char_Array_0_0_ = 0; [L45] unsigned long int last_1_unsigned_long_int_Array_0_0__1_ = 25; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L112] isInitial = 1 [L113] FCALL initially() [L115] CALL updateLastVariables() [L103] EXPR signed_short_int_Array_0[0] [L103] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L104] EXPR unsigned_char_Array_0[0] [L104] last_1_unsigned_char_Array_0_0_ = unsigned_char_Array_0[0] [L105] EXPR unsigned_long_int_Array_0[0][1] [L105] last_1_unsigned_long_int_Array_0_0__1_ = unsigned_long_int_Array_0[0][1] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L76] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L76] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L77] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L77] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L77] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L78] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L80] EXPR BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L80] RET assume_abort_if_not(BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L81] float_Array_0[1] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L83] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L84] EXPR signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -127) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L85] EXPR signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 126) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L85] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L86] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L87] EXPR signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -127) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L88] EXPR signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 126) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L88] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L89] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L90] EXPR unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L90] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L91] EXPR unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L92] unsigned_long_int_Array_0[0][0] = __VERIFIER_nondet_ulong() [L93] EXPR unsigned_long_int_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L93] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 1073741823) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L93] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L94] EXPR unsigned_long_int_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L95] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L96] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L96] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 1073741823) 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L96] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L97] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[1][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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L98] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L99] EXPR unsigned_long_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L99] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L99] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L100] EXPR unsigned_long_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L116] RET updateVariables() [L117] CALL step() [L49] EXPR last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L49] ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L49] ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] [L49] EXPR BOOL_unsigned_char_Array_0[1] [L49] ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L49] COND FALSE !(((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) [L56] EXPR signed_char_Array_0[0][1] [L56] signed_char_Array_0[1][1] = signed_char_Array_0[0][1] [L58] BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L58] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L61] EXPR unsigned_long_int_Array_0[0][0] [L61] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L61] COND TRUE unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0] [L62] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L62] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) [L62] EXPR signed_char_Array_0[1][0] [L62] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L62] signed_long_int_Array_0[0] = ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))) [L64] signed_short_int_Array_0[0] = 2 [L65] EXPR float_Array_0[1] [L65] float_Array_0[0] = float_Array_0[1] [L66] EXPR unsigned_char_Array_0[1] [L66] unsigned_char_Array_0[0] = unsigned_char_Array_0[1] [L67] EXPR signed_char_Array_0[1][0] [L67] EXPR signed_char_Array_0[1][1] [L67] unsigned char stepLocal_0 = signed_char_Array_0[1][0] < signed_char_Array_0[1][1]; [L68] stepLocal_0 && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L68] stepLocal_0 && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L68] COND FALSE !(stepLocal_0 && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) [L71] EXPR unsigned_long_int_Array_0[1][1] [L71] EXPR unsigned_long_int_Array_0[1][0] [L71] unsigned_long_int_Array_0[0][1] = (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] [L108] EXPR BOOL_unsigned_char_Array_0[1] [L108] EXPR ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L108] EXPR signed_char_Array_0[1][1] [L108] EXPR signed_char_Array_0[0][1] [L108] EXPR (((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1) [L108] EXPR BOOL_unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1 [L108] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0])))) [L108] EXPR signed_char_Array_0[1][0] [L108] EXPR signed_char_Array_0[1][1] [L108] EXPR (signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))) [L108] EXPR unsigned_long_int_Array_0[0][1] [L108] EXPR unsigned_long_int_Array_0[1][1] [L108] EXPR unsigned_long_int_Array_0[1][0] [L108] EXPR ((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1) [L108] EXPR unsigned_long_int_Array_0[0][0] [L108] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1 [L108] EXPR signed_long_int_Array_0[0] [L108] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) [L108] EXPR signed_char_Array_0[1][0] [L108] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2)) [L108] EXPR signed_short_int_Array_0[0] [L108] EXPR (((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1])) [L108] EXPR float_Array_0[0] [L108] EXPR float_Array_0[1] [L108] EXPR ((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108-L109] return (((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) ; [L118] RET, EXPR property() [L118] 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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [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_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.8s, OverallIterations: 25, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2646 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2638 mSDsluCounter, 15819 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11665 mSDsCounter, 465 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3565 IncrementalHoareTripleChecker+Invalid, 4030 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 465 mSolverCounterUnsat, 4154 mSDtfsCounter, 3565 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 815 GetRequests, 670 SyntacticMatches, 3 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1366occurred in iteration=21, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 24 MinimizatonAttempts, 1142 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 4213 NumberOfCodeBlocks, 4213 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4181 ConstructedInterpolants, 0 QuantifiedInterpolants, 16128 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1557 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 15116/15232 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 [2024-11-24 01:31:50,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:31:53,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:31:53,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:31:53,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:31:53,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:31:53,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:31:53,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:31:53,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:31:53,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:31:53,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:31:53,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:31:53,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:31:53,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:31:53,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:31:53,894 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:31:53,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:31:53,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:31:53,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:31:53,896 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:31:53,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:31:53,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:31:53,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:31:53,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:31:53,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:31:53,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:31:53,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:31:53,899 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:31:53,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:31:53,900 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:31:53,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:31:53,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:31:53,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:31:53,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:31:53,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:31:53,901 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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 -> ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 [2024-11-24 01:31:54,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:31:54,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:31:54,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:31:54,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:31:54,348 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:31:54,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2024-11-24 01:31:57,982 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/1417e8823/c3902539aba544e0bbf4b2df79bc16b1/FLAG83b04a5c6 [2024-11-24 01:31:58,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:31:58,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2024-11-24 01:31:58,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/1417e8823/c3902539aba544e0bbf4b2df79bc16b1/FLAG83b04a5c6 [2024-11-24 01:31:58,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/data/1417e8823/c3902539aba544e0bbf4b2df79bc16b1 [2024-11-24 01:31:58,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:31:58,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:31:58,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:31:58,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:31:58,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:31:58,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:31:58" (1/1) ... [2024-11-24 01:31:58,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fdf27e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:58, skipping insertion in model container [2024-11-24 01:31:58,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:31:58" (1/1) ... [2024-11-24 01:31:58,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:31:58,838 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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2024-11-24 01:31:58,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:31:58,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:31:58,975 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_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2024-11-24 01:31:59,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:31:59,118 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:31:59,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59 WrapperNode [2024-11-24 01:31:59,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:31:59,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:31:59,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:31:59,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:31:59,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,234 INFO L138 Inliner]: procedures = 36, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 510 [2024-11-24 01:31:59,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:31:59,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:31:59,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:31:59,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:31:59,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,279 INFO L175 MemorySlicer]: Split 134 memory accesses to 8 slices as follows [2, 16, 11, 54, 3, 4, 10, 34]. 40 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 2, 4, 1, 1, 2, 4]. The 19 writes are split as follows [0, 2, 2, 6, 1, 1, 2, 5]. [2024-11-24 01:31:59,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:31:59,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:31:59,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:31:59,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:31:59,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (1/1) ... [2024-11-24 01:31:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:31:59,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:31:59,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:31:59,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:31:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-24 01:31:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 01:31:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 01:31:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 01:31:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 01:31:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 01:31:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 01:31:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-24 01:31:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-24 01:31:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:31:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 01:31:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 01:31:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 01:31:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-24 01:31:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-24 01:31:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 01:31:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 01:31:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 01:31:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-24 01:31:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:31:59,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:31:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:31:59,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:31:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 01:31:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 01:31:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 01:31:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 01:31:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 01:31:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 01:31:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 01:31:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 01:31:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-24 01:31:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-24 01:31:59,673 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:31:59,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:32:00,579 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-24 01:32:00,579 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:32:00,594 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:32:00,594 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:32:00,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:32:00 BoogieIcfgContainer [2024-11-24 01:32:00,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:32:00,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:32:00,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:32:00,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:32:00,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:31:58" (1/3) ... [2024-11-24 01:32:00,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7b4014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:32:00, skipping insertion in model container [2024-11-24 01:32:00,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:31:59" (2/3) ... [2024-11-24 01:32:00,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7b4014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:32:00, skipping insertion in model container [2024-11-24 01:32:00,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:32:00" (3/3) ... [2024-11-24 01:32:00,615 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-88.i [2024-11-24 01:32:00,634 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:32:00,637 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-88.i that has 2 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:32:00,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:32:00,761 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;@6312b539, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:32:00,761 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:32:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:32:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:32:00,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:00,785 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:00,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:00,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash 441684127, now seen corresponding path program 1 times [2024-11-24 01:32:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:00,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656260385] [2024-11-24 01:32:00,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:00,808 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 [2024-11-24 01:32:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:00,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:00,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:01,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:32:01,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-24 01:32:01,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:01,413 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:01,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656260385] [2024-11-24 01:32:01,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656260385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:01,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:01,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:32:01,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886113636] [2024-11-24 01:32:01,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:01,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:32:01,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:01,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:32:01,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:32:01,461 INFO L87 Difference]: Start difference. First operand has 111 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:32:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:01,496 INFO L93 Difference]: Finished difference Result 215 states and 337 transitions. [2024-11-24 01:32:01,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:32:01,498 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-24 01:32:01,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:01,509 INFO L225 Difference]: With dead ends: 215 [2024-11-24 01:32:01,509 INFO L226 Difference]: Without dead ends: 107 [2024-11-24 01:32:01,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:32:01,519 INFO L435 NwaCegarLoop]: 156 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, 156 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 [2024-11-24 01:32:01,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:32:01,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-24 01:32:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-24 01:32:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:32:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2024-11-24 01:32:01,579 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 139 [2024-11-24 01:32:01,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:01,580 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2024-11-24 01:32:01,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:32:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2024-11-24 01:32:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:32:01,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:01,588 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:01,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Ended with exit code 0 [2024-11-24 01:32:01,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:01,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:01,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1135899215, now seen corresponding path program 1 times [2024-11-24 01:32:01,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:01,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487686395] [2024-11-24 01:32:01,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:01,795 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 [2024-11-24 01:32:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:01,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:01,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:02,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:32:02,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:02,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:02,356 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487686395] [2024-11-24 01:32:02,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487686395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:02,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:02,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:32:02,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879076603] [2024-11-24 01:32:02,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:02,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:32:02,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:02,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:32:02,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:32:02,362 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:02,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:02,510 INFO L93 Difference]: Finished difference Result 218 states and 319 transitions. [2024-11-24 01:32:02,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:32:02,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-24 01:32:02,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:02,513 INFO L225 Difference]: With dead ends: 218 [2024-11-24 01:32:02,515 INFO L226 Difference]: Without dead ends: 114 [2024-11-24 01:32:02,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:32:02,518 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:02,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 724 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-24 01:32:02,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-24 01:32:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:32:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 162 transitions. [2024-11-24 01:32:02,534 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 162 transitions. Word has length 139 [2024-11-24 01:32:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:02,541 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 162 transitions. [2024-11-24 01:32:02,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 162 transitions. [2024-11-24 01:32:02,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:32:02,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:02,547 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:02,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:02,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:02,750 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:02,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash -455840845, now seen corresponding path program 1 times [2024-11-24 01:32:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:02,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246132980] [2024-11-24 01:32:02,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:02,752 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 [2024-11-24 01:32:02,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:02,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:02,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:03,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:32:03,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:03,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:03,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:03,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246132980] [2024-11-24 01:32:03,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246132980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:03,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:03,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:32:03,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373031001] [2024-11-24 01:32:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:03,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:32:03,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:03,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:32:03,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:32:03,267 INFO L87 Difference]: Start difference. First operand 113 states and 162 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:03,445 INFO L93 Difference]: Finished difference Result 228 states and 328 transitions. [2024-11-24 01:32:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:32:03,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-24 01:32:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:03,449 INFO L225 Difference]: With dead ends: 228 [2024-11-24 01:32:03,449 INFO L226 Difference]: Without dead ends: 118 [2024-11-24 01:32:03,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:32:03,451 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:03,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 992 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-24 01:32:03,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-24 01:32:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:32:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 166 transitions. [2024-11-24 01:32:03,472 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 166 transitions. Word has length 139 [2024-11-24 01:32:03,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:03,473 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 166 transitions. [2024-11-24 01:32:03,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2024-11-24 01:32:03,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:32:03,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:03,477 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:03,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:03,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:03,678 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:03,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:03,679 INFO L85 PathProgramCache]: Analyzing trace with hash -453993803, now seen corresponding path program 1 times [2024-11-24 01:32:03,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:03,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772129212] [2024-11-24 01:32:03,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:03,680 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 [2024-11-24 01:32:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:03,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:03,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:04,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:32:04,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:04,318 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 26 treesize of output 14 [2024-11-24 01:32:04,392 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 30 treesize of output 14 [2024-11-24 01:32:04,525 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 15 treesize of output 1 [2024-11-24 01:32:04,721 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 27 treesize of output 11 [2024-11-24 01:32:04,875 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 27 treesize of output 11 [2024-11-24 01:32:05,049 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 30 treesize of output 14 [2024-11-24 01:32:05,100 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 [2024-11-24 01:32:05,111 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 21 treesize of output 9 [2024-11-24 01:32:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-24 01:32:05,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 01:32:05,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:05,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772129212] [2024-11-24 01:32:05,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772129212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:32:05,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:32:05,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2024-11-24 01:32:05,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419141083] [2024-11-24 01:32:05,799 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:32:05,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:32:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:05,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:32:05,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:32:05,804 INFO L87 Difference]: Start difference. First operand 117 states and 166 transitions. Second operand has 15 states, 13 states have (on average 7.769230769230769) internal successors, (101), 15 states have internal predecessors, (101), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-24 01:32:08,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:08,270 INFO L93 Difference]: Finished difference Result 353 states and 499 transitions. [2024-11-24 01:32:08,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:32:08,271 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.769230769230769) internal successors, (101), 15 states have internal predecessors, (101), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 139 [2024-11-24 01:32:08,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:08,274 INFO L225 Difference]: With dead ends: 353 [2024-11-24 01:32:08,275 INFO L226 Difference]: Without dead ends: 239 [2024-11-24 01:32:08,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:32:08,277 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 392 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:08,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 951 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-24 01:32:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-24 01:32:08,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 231. [2024-11-24 01:32:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 193 states have (on average 1.3419689119170986) internal successors, (259), 193 states have internal predecessors, (259), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:32:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 327 transitions. [2024-11-24 01:32:08,311 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 327 transitions. Word has length 139 [2024-11-24 01:32:08,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:08,312 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 327 transitions. [2024-11-24 01:32:08,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.769230769230769) internal successors, (101), 15 states have internal predecessors, (101), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-24 01:32:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 327 transitions. [2024-11-24 01:32:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 01:32:08,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:08,316 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:08,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-24 01:32:08,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:08,517 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:08,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:08,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2021328912, now seen corresponding path program 1 times [2024-11-24 01:32:08,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:08,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854225104] [2024-11-24 01:32:08,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:08,520 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 [2024-11-24 01:32:08,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:08,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:08,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:08,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 01:32:08,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:09,148 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 26 treesize of output 14 [2024-11-24 01:32:09,214 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 25 treesize of output 24 [2024-11-24 01:32:10,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:10,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 38 [2024-11-24 01:32:10,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:10,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 46 [2024-11-24 01:32:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:32:10,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:10,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:10,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854225104] [2024-11-24 01:32:10,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854225104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:10,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:10,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:32:10,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599645051] [2024-11-24 01:32:10,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:10,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:32:10,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:10,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:32:10,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:32:10,769 INFO L87 Difference]: Start difference. First operand 231 states and 327 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:32:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:12,624 INFO L93 Difference]: Finished difference Result 567 states and 798 transitions. [2024-11-24 01:32:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:32:12,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2024-11-24 01:32:12,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:12,628 INFO L225 Difference]: With dead ends: 567 [2024-11-24 01:32:12,628 INFO L226 Difference]: Without dead ends: 339 [2024-11-24 01:32:12,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:32:12,630 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 304 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:12,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 940 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 01:32:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-24 01:32:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 258. [2024-11-24 01:32:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 212 states have (on average 1.3254716981132075) internal successors, (281), 213 states have internal predecessors, (281), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 01:32:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 363 transitions. [2024-11-24 01:32:12,673 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 363 transitions. Word has length 141 [2024-11-24 01:32:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:12,673 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 363 transitions. [2024-11-24 01:32:12,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:32:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 363 transitions. [2024-11-24 01:32:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 01:32:12,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:12,676 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:12,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Ended with exit code 0 [2024-11-24 01:32:12,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:12,881 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:12,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2019873618, now seen corresponding path program 1 times [2024-11-24 01:32:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:12,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533312816] [2024-11-24 01:32:12,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:12,886 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 [2024-11-24 01:32:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:12,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:12,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:13,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:32:13,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-24 01:32:13,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:13,910 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:13,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533312816] [2024-11-24 01:32:13,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533312816] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:13,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:13,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:32:13,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272336044] [2024-11-24 01:32:13,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:13,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:13,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:13,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:13,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:32:13,914 INFO L87 Difference]: Start difference. First operand 258 states and 363 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:14,101 INFO L93 Difference]: Finished difference Result 523 states and 730 transitions. [2024-11-24 01:32:14,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:14,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-24 01:32:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:14,110 INFO L225 Difference]: With dead ends: 523 [2024-11-24 01:32:14,110 INFO L226 Difference]: Without dead ends: 409 [2024-11-24 01:32:14,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:32:14,112 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 170 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:14,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 468 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:14,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-24 01:32:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 405. [2024-11-24 01:32:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 352 states have (on average 1.3409090909090908) internal successors, (472), 355 states have internal predecessors, (472), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 01:32:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 562 transitions. [2024-11-24 01:32:14,182 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 562 transitions. Word has length 141 [2024-11-24 01:32:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:14,183 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 562 transitions. [2024-11-24 01:32:14,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 562 transitions. [2024-11-24 01:32:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 01:32:14,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:14,186 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:14,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:14,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:14,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:14,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:14,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1997241364, now seen corresponding path program 1 times [2024-11-24 01:32:14,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:14,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132855223] [2024-11-24 01:32:14,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:14,388 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 [2024-11-24 01:32:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:14,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:14,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:14,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:32:14,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:14,729 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 [2024-11-24 01:32:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:15,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:15,002 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:15,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132855223] [2024-11-24 01:32:15,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132855223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:15,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:15,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:32:15,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762142016] [2024-11-24 01:32:15,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:15,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:15,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:15,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:15,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:32:15,006 INFO L87 Difference]: Start difference. First operand 405 states and 562 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:15,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:15,280 INFO L93 Difference]: Finished difference Result 1008 states and 1399 transitions. [2024-11-24 01:32:15,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:15,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-24 01:32:15,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:15,288 INFO L225 Difference]: With dead ends: 1008 [2024-11-24 01:32:15,288 INFO L226 Difference]: Without dead ends: 630 [2024-11-24 01:32:15,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:15,292 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 145 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:15,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 598 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:32:15,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-24 01:32:15,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 436. [2024-11-24 01:32:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 371 states have (on average 1.3234501347708896) internal successors, (491), 373 states have internal predecessors, (491), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-24 01:32:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 601 transitions. [2024-11-24 01:32:15,370 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 601 transitions. Word has length 141 [2024-11-24 01:32:15,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:15,371 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 601 transitions. [2024-11-24 01:32:15,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 601 transitions. [2024-11-24 01:32:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:32:15,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:15,376 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:15,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:15,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:15,576 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:15,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:15,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1840872162, now seen corresponding path program 1 times [2024-11-24 01:32:15,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:15,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870885609] [2024-11-24 01:32:15,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:15,577 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 [2024-11-24 01:32:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:15,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:15,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:32:15,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:15,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:15,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:15,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870885609] [2024-11-24 01:32:15,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870885609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:15,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:15,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:32:15,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504102826] [2024-11-24 01:32:15,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:15,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:15,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:15,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:15,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:32:15,897 INFO L87 Difference]: Start difference. First operand 436 states and 601 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:15,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:15,979 INFO L93 Difference]: Finished difference Result 826 states and 1143 transitions. [2024-11-24 01:32:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:15,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:32:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:15,983 INFO L225 Difference]: With dead ends: 826 [2024-11-24 01:32:15,983 INFO L226 Difference]: Without dead ends: 448 [2024-11-24 01:32:15,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:32:15,985 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:15,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:32:15,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-24 01:32:16,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-24 01:32:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 383 states have (on average 1.3133159268929504) internal successors, (503), 385 states have internal predecessors, (503), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-24 01:32:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 613 transitions. [2024-11-24 01:32:16,039 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 613 transitions. Word has length 143 [2024-11-24 01:32:16,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:16,039 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 613 transitions. [2024-11-24 01:32:16,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 613 transitions. [2024-11-24 01:32:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:32:16,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:16,042 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:16,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:16,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:16,242 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:16,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1264874310, now seen corresponding path program 1 times [2024-11-24 01:32:16,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:16,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577879487] [2024-11-24 01:32:16,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:16,244 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 [2024-11-24 01:32:16,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:16,246 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:16,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Waiting until timeout for monitored process [2024-11-24 01:32:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:16,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:32:16,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-24 01:32:17,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:17,356 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:17,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577879487] [2024-11-24 01:32:17,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577879487] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:17,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:17,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2024-11-24 01:32:17,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962592458] [2024-11-24 01:32:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:17,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:17,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:17,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:32:17,358 INFO L87 Difference]: Start difference. First operand 448 states and 613 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:17,573 INFO L93 Difference]: Finished difference Result 993 states and 1361 transitions. [2024-11-24 01:32:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:17,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:32:17,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:17,577 INFO L225 Difference]: With dead ends: 993 [2024-11-24 01:32:17,578 INFO L226 Difference]: Without dead ends: 603 [2024-11-24 01:32:17,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:32:17,580 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 82 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:17,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 695 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:17,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-24 01:32:17,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 483. [2024-11-24 01:32:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 418 states have (on average 1.325358851674641) internal successors, (554), 420 states have internal predecessors, (554), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-24 01:32:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 664 transitions. [2024-11-24 01:32:17,626 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 664 transitions. Word has length 143 [2024-11-24 01:32:17,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:17,628 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 664 transitions. [2024-11-24 01:32:17,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 664 transitions. [2024-11-24 01:32:17,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:32:17,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:17,635 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:17,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:17,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:17,836 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:17,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:17,837 INFO L85 PathProgramCache]: Analyzing trace with hash -729270396, now seen corresponding path program 1 times [2024-11-24 01:32:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:17,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41947649] [2024-11-24 01:32:17,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:17,838 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 [2024-11-24 01:32:17,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:17,841 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:17,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:18,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:32:18,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:18,192 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 [2024-11-24 01:32:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:18,509 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:18,509 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:18,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41947649] [2024-11-24 01:32:18,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41947649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:18,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:18,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:32:18,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934783812] [2024-11-24 01:32:18,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:18,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:18,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:18,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:32:18,511 INFO L87 Difference]: Start difference. First operand 483 states and 664 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:18,733 INFO L93 Difference]: Finished difference Result 1061 states and 1464 transitions. [2024-11-24 01:32:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:18,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-24 01:32:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:18,738 INFO L225 Difference]: With dead ends: 1061 [2024-11-24 01:32:18,738 INFO L226 Difference]: Without dead ends: 636 [2024-11-24 01:32:18,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:18,740 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 130 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:18,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 595 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:32:18,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-24 01:32:18,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 533. [2024-11-24 01:32:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 468 states have (on average 1.3354700854700854) internal successors, (625), 470 states have internal predecessors, (625), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-24 01:32:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 735 transitions. [2024-11-24 01:32:18,793 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 735 transitions. Word has length 143 [2024-11-24 01:32:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:18,796 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 735 transitions. [2024-11-24 01:32:18,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 735 transitions. [2024-11-24 01:32:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 01:32:18,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:18,799 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:18,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:18,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:19,000 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:19,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:19,000 INFO L85 PathProgramCache]: Analyzing trace with hash 500859744, now seen corresponding path program 1 times [2024-11-24 01:32:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:19,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28785532] [2024-11-24 01:32:19,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:19,001 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 [2024-11-24 01:32:19,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:19,003 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:19,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Waiting until timeout for monitored process [2024-11-24 01:32:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:19,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:32:19,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-24 01:32:19,775 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:19,947 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:19,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28785532] [2024-11-24 01:32:19,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28785532] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:19,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:19,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:32:19,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614653369] [2024-11-24 01:32:19,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:19,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:19,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:19,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:19,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:32:19,949 INFO L87 Difference]: Start difference. First operand 533 states and 735 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:20,136 INFO L93 Difference]: Finished difference Result 1070 states and 1470 transitions. [2024-11-24 01:32:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:32:20,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-24 01:32:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:20,143 INFO L225 Difference]: With dead ends: 1070 [2024-11-24 01:32:20,144 INFO L226 Difference]: Without dead ends: 645 [2024-11-24 01:32:20,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:32:20,146 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 71 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:20,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 571 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:20,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-24 01:32:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 535. [2024-11-24 01:32:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 470 states have (on average 1.3297872340425532) internal successors, (625), 472 states have internal predecessors, (625), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-24 01:32:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 735 transitions. [2024-11-24 01:32:20,187 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 735 transitions. Word has length 144 [2024-11-24 01:32:20,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:20,188 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 735 transitions. [2024-11-24 01:32:20,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 735 transitions. [2024-11-24 01:32:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 01:32:20,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:20,191 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:20,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Ended with exit code 0 [2024-11-24 01:32:20,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:20,392 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:20,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:20,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1910721159, now seen corresponding path program 1 times [2024-11-24 01:32:20,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:20,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533323072] [2024-11-24 01:32:20,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:20,392 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 [2024-11-24 01:32:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:20,394 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:20,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:20,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:32:20,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-24 01:32:21,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:21,233 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:21,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533323072] [2024-11-24 01:32:21,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533323072] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:21,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:21,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:32:21,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065380260] [2024-11-24 01:32:21,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:21,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:21,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:21,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:21,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:32:21,234 INFO L87 Difference]: Start difference. First operand 535 states and 735 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:21,407 INFO L93 Difference]: Finished difference Result 1060 states and 1448 transitions. [2024-11-24 01:32:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-24 01:32:21,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:21,412 INFO L225 Difference]: With dead ends: 1060 [2024-11-24 01:32:21,412 INFO L226 Difference]: Without dead ends: 633 [2024-11-24 01:32:21,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:32:21,414 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 124 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:21,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 433 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:21,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-24 01:32:21,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 543. [2024-11-24 01:32:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 478 states have (on average 1.3263598326359833) internal successors, (634), 480 states have internal predecessors, (634), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-24 01:32:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 744 transitions. [2024-11-24 01:32:21,456 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 744 transitions. Word has length 145 [2024-11-24 01:32:21,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:21,457 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 744 transitions. [2024-11-24 01:32:21,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 744 transitions. [2024-11-24 01:32:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 01:32:21,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:21,459 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:21,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:21,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:21,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:21,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:21,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1192358330, now seen corresponding path program 1 times [2024-11-24 01:32:21,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:21,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819308575] [2024-11-24 01:32:21,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:21,662 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 [2024-11-24 01:32:21,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:21,664 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:21,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:22,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:32:22,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:22,115 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 1 [2024-11-24 01:32:22,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:22,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2024-11-24 01:32:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:22,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:22,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:22,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819308575] [2024-11-24 01:32:22,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819308575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:22,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:22,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:32:22,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252854655] [2024-11-24 01:32:22,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:22,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:32:22,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:22,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:32:22,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:32:22,286 INFO L87 Difference]: Start difference. First operand 543 states and 744 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:22,727 INFO L93 Difference]: Finished difference Result 1318 states and 1792 transitions. [2024-11-24 01:32:22,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:32:22,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-24 01:32:22,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:22,734 INFO L225 Difference]: With dead ends: 1318 [2024-11-24 01:32:22,734 INFO L226 Difference]: Without dead ends: 883 [2024-11-24 01:32:22,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:32:22,736 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 100 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:22,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 909 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:32:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-24 01:32:22,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 871. [2024-11-24 01:32:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 773 states have (on average 1.3091849935316946) internal successors, (1012), 779 states have internal predecessors, (1012), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:32:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1178 transitions. [2024-11-24 01:32:22,820 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1178 transitions. Word has length 146 [2024-11-24 01:32:22,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:22,821 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1178 transitions. [2024-11-24 01:32:22,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1178 transitions. [2024-11-24 01:32:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 01:32:22,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:22,823 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:22,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Ended with exit code 0 [2024-11-24 01:32:23,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:23,025 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:23,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash -108489272, now seen corresponding path program 1 times [2024-11-24 01:32:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901849378] [2024-11-24 01:32:23,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:23,026 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 [2024-11-24 01:32:23,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:23,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:23,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (15)] Waiting until timeout for monitored process [2024-11-24 01:32:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:23,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:32:23,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:23,806 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 [2024-11-24 01:32:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-24 01:32:23,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:24,018 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:24,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901849378] [2024-11-24 01:32:24,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901849378] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:24,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:24,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-24 01:32:24,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246312637] [2024-11-24 01:32:24,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:24,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:24,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:24,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:24,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:32:24,020 INFO L87 Difference]: Start difference. First operand 871 states and 1178 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:24,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:24,225 INFO L93 Difference]: Finished difference Result 1671 states and 2251 transitions. [2024-11-24 01:32:24,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:24,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-24 01:32:24,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:24,231 INFO L225 Difference]: With dead ends: 1671 [2024-11-24 01:32:24,231 INFO L226 Difference]: Without dead ends: 898 [2024-11-24 01:32:24,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:32:24,234 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 176 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:24,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 540 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-24 01:32:24,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 797. [2024-11-24 01:32:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 699 states have (on average 1.3004291845493563) internal successors, (909), 705 states have internal predecessors, (909), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:32:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1075 transitions. [2024-11-24 01:32:24,318 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1075 transitions. Word has length 146 [2024-11-24 01:32:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:24,319 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1075 transitions. [2024-11-24 01:32:24,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1075 transitions. [2024-11-24 01:32:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 01:32:24,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:24,322 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:24,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (15)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:24,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:24,523 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:24,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:24,524 INFO L85 PathProgramCache]: Analyzing trace with hash 296501322, now seen corresponding path program 1 times [2024-11-24 01:32:24,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:24,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821182719] [2024-11-24 01:32:24,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:24,525 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 [2024-11-24 01:32:24,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:24,527 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:24,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:24,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 01:32:24,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:24,935 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 8 treesize of output 1 [2024-11-24 01:32:24,942 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 21 [2024-11-24 01:32:24,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:24,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2024-11-24 01:32:25,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:25,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 30 [2024-11-24 01:32:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:25,082 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:25,082 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:25,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821182719] [2024-11-24 01:32:25,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821182719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:25,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:25,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:32:25,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789355189] [2024-11-24 01:32:25,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:25,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:32:25,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:25,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:32:25,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:32:25,084 INFO L87 Difference]: Start difference. First operand 797 states and 1075 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:25,497 INFO L93 Difference]: Finished difference Result 1492 states and 2014 transitions. [2024-11-24 01:32:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:32:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-24 01:32:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:25,503 INFO L225 Difference]: With dead ends: 1492 [2024-11-24 01:32:25,504 INFO L226 Difference]: Without dead ends: 793 [2024-11-24 01:32:25,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:32:25,506 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 98 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:25,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 677 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:32:25,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-24 01:32:25,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 789. [2024-11-24 01:32:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 689 states have (on average 1.2931785195936139) internal successors, (891), 695 states have internal predecessors, (891), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:32:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1057 transitions. [2024-11-24 01:32:25,571 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1057 transitions. Word has length 146 [2024-11-24 01:32:25,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:25,571 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1057 transitions. [2024-11-24 01:32:25,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1057 transitions. [2024-11-24 01:32:25,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-24 01:32:25,574 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:25,574 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:25,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:25,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:25,775 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:25,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash 916366955, now seen corresponding path program 1 times [2024-11-24 01:32:25,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:25,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314160091] [2024-11-24 01:32:25,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:25,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:32:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:25,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:25,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (17)] Waiting until timeout for monitored process [2024-11-24 01:32:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:26,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:32:26,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:26,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:26,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:26,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314160091] [2024-11-24 01:32:26,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314160091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:26,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:26,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:32:26,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997133142] [2024-11-24 01:32:26,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:26,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:32:26,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:26,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:32:26,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:32:26,202 INFO L87 Difference]: Start difference. First operand 789 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:26,282 INFO L93 Difference]: Finished difference Result 1488 states and 2000 transitions. [2024-11-24 01:32:26,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:32:26,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-11-24 01:32:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:26,288 INFO L225 Difference]: With dead ends: 1488 [2024-11-24 01:32:26,288 INFO L226 Difference]: Without dead ends: 797 [2024-11-24 01:32:26,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:32:26,292 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:26,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:32:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-24 01:32:26,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2024-11-24 01:32:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 697 states have (on average 1.2898134863701578) internal successors, (899), 703 states have internal predecessors, (899), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:32:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1065 transitions. [2024-11-24 01:32:26,377 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1065 transitions. Word has length 148 [2024-11-24 01:32:26,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:26,378 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1065 transitions. [2024-11-24 01:32:26,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1065 transitions. [2024-11-24 01:32:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-24 01:32:26,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:26,382 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:26,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (17)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:26,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:26,582 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:26,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:26,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1456165674, now seen corresponding path program 1 times [2024-11-24 01:32:26,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:26,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304166021] [2024-11-24 01:32:26,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:26,584 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 [2024-11-24 01:32:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:26,586 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:26,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:26,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:32:26,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:26,913 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 12 treesize of output 8 [2024-11-24 01:32:26,977 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 34 treesize of output 22 [2024-11-24 01:32:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:26,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:26,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:26,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304166021] [2024-11-24 01:32:26,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304166021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:26,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:26,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:32:26,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143097032] [2024-11-24 01:32:26,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:26,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:26,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:27,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:27,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:32:27,000 INFO L87 Difference]: Start difference. First operand 797 states and 1065 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:27,207 INFO L93 Difference]: Finished difference Result 1496 states and 2000 transitions. [2024-11-24 01:32:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:32:27,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-11-24 01:32:27,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:27,213 INFO L225 Difference]: With dead ends: 1496 [2024-11-24 01:32:27,213 INFO L226 Difference]: Without dead ends: 797 [2024-11-24 01:32:27,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:27,215 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 133 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:27,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 780 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:32:27,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-24 01:32:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2024-11-24 01:32:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 697 states have (on average 1.278335724533716) internal successors, (891), 703 states have internal predecessors, (891), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:32:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1057 transitions. [2024-11-24 01:32:27,284 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1057 transitions. Word has length 148 [2024-11-24 01:32:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:27,285 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1057 transitions. [2024-11-24 01:32:27,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1057 transitions. [2024-11-24 01:32:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-24 01:32:27,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:27,287 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:27,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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)] Ended with exit code 0 [2024-11-24 01:32:27,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:27,488 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:27,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1061947218, now seen corresponding path program 1 times [2024-11-24 01:32:27,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:27,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108677752] [2024-11-24 01:32:27,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:27,490 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 [2024-11-24 01:32:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:27,492 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:27,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (19)] Waiting until timeout for monitored process [2024-11-24 01:32:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:27,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:32:27,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:28,066 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 26 treesize of output 14 [2024-11-24 01:32:28,114 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 30 treesize of output 14 [2024-11-24 01:32:28,205 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 15 treesize of output 1 [2024-11-24 01:32:28,346 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 27 treesize of output 11 [2024-11-24 01:32:28,458 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 27 treesize of output 11 [2024-11-24 01:32:28,582 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 30 treesize of output 14 [2024-11-24 01:32:28,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:28,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 41 [2024-11-24 01:32:29,026 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 21 treesize of output 9 [2024-11-24 01:32:29,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:29,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 13 [2024-11-24 01:32:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-24 01:32:29,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 01:32:29,687 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:29,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108677752] [2024-11-24 01:32:29,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108677752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:32:29,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:32:29,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-24 01:32:29,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873844480] [2024-11-24 01:32:29,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:32:29,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:32:29,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:29,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:32:29,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:32:29,689 INFO L87 Difference]: Start difference. First operand 797 states and 1057 transitions. Second operand has 16 states, 14 states have (on average 9.285714285714286) internal successors, (130), 16 states have internal predecessors, (130), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-24 01:32:32,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:32,562 INFO L93 Difference]: Finished difference Result 1537 states and 2027 transitions. [2024-11-24 01:32:32,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 01:32:32,563 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 9.285714285714286) internal successors, (130), 16 states have internal predecessors, (130), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 148 [2024-11-24 01:32:32,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:32,568 INFO L225 Difference]: With dead ends: 1537 [2024-11-24 01:32:32,568 INFO L226 Difference]: Without dead ends: 838 [2024-11-24 01:32:32,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:32:32,571 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 681 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:32,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 776 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-24 01:32:32,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-24 01:32:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 797. [2024-11-24 01:32:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 697 states have (on average 1.272596843615495) internal successors, (887), 703 states have internal predecessors, (887), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 01:32:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1053 transitions. [2024-11-24 01:32:32,644 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1053 transitions. Word has length 148 [2024-11-24 01:32:32,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:32,645 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1053 transitions. [2024-11-24 01:32:32,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 9.285714285714286) internal successors, (130), 16 states have internal predecessors, (130), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-24 01:32:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1053 transitions. [2024-11-24 01:32:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:32,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:32,647 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:32,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (19)] Ended with exit code 0 [2024-11-24 01:32:32,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:32,848 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:32,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:32,848 INFO L85 PathProgramCache]: Analyzing trace with hash 251949574, now seen corresponding path program 1 times [2024-11-24 01:32:32,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:32,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317805639] [2024-11-24 01:32:32,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:32,849 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 [2024-11-24 01:32:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:32,852 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:32,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (20)] Waiting until timeout for monitored process [2024-11-24 01:32:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:33,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:32:33,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:33,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:33,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:33,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317805639] [2024-11-24 01:32:33,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317805639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:33,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:33,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:32:33,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845447040] [2024-11-24 01:32:33,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:33,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:32:33,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:33,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:32:33,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:33,443 INFO L87 Difference]: Start difference. First operand 797 states and 1053 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:34,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:34,590 INFO L93 Difference]: Finished difference Result 2219 states and 2923 transitions. [2024-11-24 01:32:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:32:34,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:32:34,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:34,597 INFO L225 Difference]: With dead ends: 2219 [2024-11-24 01:32:34,597 INFO L226 Difference]: Without dead ends: 1503 [2024-11-24 01:32:34,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:32:34,599 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 294 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:34,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 811 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:32:34,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2024-11-24 01:32:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1479. [2024-11-24 01:32:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1292 states have (on average 1.2546439628482973) internal successors, (1621), 1305 states have internal predecessors, (1621), 155 states have call successors, (155), 31 states have call predecessors, (155), 31 states have return successors, (155), 142 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-24 01:32:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1931 transitions. [2024-11-24 01:32:34,716 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1931 transitions. Word has length 150 [2024-11-24 01:32:34,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:34,717 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 1931 transitions. [2024-11-24 01:32:34,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1931 transitions. [2024-11-24 01:32:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:34,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:34,721 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:34,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (20)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:34,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:34,922 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:34,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash -703104489, now seen corresponding path program 1 times [2024-11-24 01:32:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:34,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002984165] [2024-11-24 01:32:34,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:34,924 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 [2024-11-24 01:32:34,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:34,926 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:34,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (21)] Waiting until timeout for monitored process [2024-11-24 01:32:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:35,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:32:35,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:35,457 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 [2024-11-24 01:32:35,768 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 30 treesize of output 23 [2024-11-24 01:32:36,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:36,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 31 [2024-11-24 01:32:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-24 01:32:36,060 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:36,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:36,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002984165] [2024-11-24 01:32:36,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002984165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:36,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:36,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:32:36,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150949426] [2024-11-24 01:32:36,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:36,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:32:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:36,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:32:36,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:36,062 INFO L87 Difference]: Start difference. First operand 1479 states and 1931 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:32:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:36,575 INFO L93 Difference]: Finished difference Result 1561 states and 2020 transitions. [2024-11-24 01:32:36,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:32:36,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-24 01:32:36,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:36,582 INFO L225 Difference]: With dead ends: 1561 [2024-11-24 01:32:36,582 INFO L226 Difference]: Without dead ends: 1559 [2024-11-24 01:32:36,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:32:36,583 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 177 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:36,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 784 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:32:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2024-11-24 01:32:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1559. [2024-11-24 01:32:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1364 states have (on average 1.2412023460410557) internal successors, (1693), 1377 states have internal predecessors, (1693), 155 states have call successors, (155), 39 states have call predecessors, (155), 39 states have return successors, (155), 142 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-24 01:32:36,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2003 transitions. [2024-11-24 01:32:36,742 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2003 transitions. Word has length 150 [2024-11-24 01:32:36,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:36,743 INFO L471 AbstractCegarLoop]: Abstraction has 1559 states and 2003 transitions. [2024-11-24 01:32:36,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:32:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2003 transitions. [2024-11-24 01:32:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:36,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:36,745 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:36,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (21)] Ended with exit code 0 [2024-11-24 01:32:36,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:36,949 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:36,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:36,949 INFO L85 PathProgramCache]: Analyzing trace with hash -701257447, now seen corresponding path program 1 times [2024-11-24 01:32:36,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:36,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710864259] [2024-11-24 01:32:36,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:36,950 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 [2024-11-24 01:32:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:36,952 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:36,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (22)] Waiting until timeout for monitored process [2024-11-24 01:32:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:37,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:32:37,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:37,391 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 1 [2024-11-24 01:32:38,340 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 121 treesize of output 61 [2024-11-24 01:32:38,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:38,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 77 [2024-11-24 01:32:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-24 01:32:38,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:39,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:39,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710864259] [2024-11-24 01:32:39,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710864259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:39,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [388788020] [2024-11-24 01:32:39,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:39,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:32:39,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:32:39,101 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:32:39,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-24 01:32:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:40,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:32:40,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:40,214 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 15 treesize of output 1 [2024-11-24 01:32:41,618 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 103 treesize of output 59 [2024-11-24 01:32:42,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:42,098 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 173 treesize of output 77 [2024-11-24 01:32:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-24 01:32:42,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:42,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [388788020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:42,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:32:42,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-24 01:32:42,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561877410] [2024-11-24 01:32:42,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:32:42,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:32:42,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:42,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:32:42,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:32:42,421 INFO L87 Difference]: Start difference. First operand 1559 states and 2003 transitions. Second operand has 16 states, 16 states have (on average 8.5) internal successors, (136), 15 states have internal predecessors, (136), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-24 01:32:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:44,158 INFO L93 Difference]: Finished difference Result 4550 states and 5818 transitions. [2024-11-24 01:32:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:32:44,159 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.5) internal successors, (136), 15 states have internal predecessors, (136), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 150 [2024-11-24 01:32:44,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:44,172 INFO L225 Difference]: With dead ends: 4550 [2024-11-24 01:32:44,172 INFO L226 Difference]: Without dead ends: 3106 [2024-11-24 01:32:44,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:32:44,176 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 518 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:44,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1623 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 01:32:44,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-11-24 01:32:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3096. [2024-11-24 01:32:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 2704 states have (on average 1.2307692307692308) internal successors, (3328), 2738 states have internal predecessors, (3328), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2024-11-24 01:32:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 3940 transitions. [2024-11-24 01:32:44,608 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 3940 transitions. Word has length 150 [2024-11-24 01:32:44,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:44,609 INFO L471 AbstractCegarLoop]: Abstraction has 3096 states and 3940 transitions. [2024-11-24 01:32:44,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.5) internal successors, (136), 15 states have internal predecessors, (136), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-24 01:32:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3940 transitions. [2024-11-24 01:32:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:44,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:44,612 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:44,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-24 01:32:44,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (22)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:45,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:45,013 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:45,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:45,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1753808285, now seen corresponding path program 1 times [2024-11-24 01:32:45,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:45,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352166822] [2024-11-24 01:32:45,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:45,014 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 [2024-11-24 01:32:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:45,016 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:45,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (24)] Waiting until timeout for monitored process [2024-11-24 01:32:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:45,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:32:45,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:45,375 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 20 treesize of output 16 [2024-11-24 01:32:45,484 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 24 treesize of output 16 [2024-11-24 01:32:45,503 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 13 [2024-11-24 01:32:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:45,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:45,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:45,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352166822] [2024-11-24 01:32:45,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352166822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:45,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:45,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:32:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359123739] [2024-11-24 01:32:45,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:45,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:32:45,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:45,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:32:45,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:32:45,582 INFO L87 Difference]: Start difference. First operand 3096 states and 3940 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:46,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:47,000 INFO L93 Difference]: Finished difference Result 6124 states and 7786 transitions. [2024-11-24 01:32:47,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:32:47,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:32:47,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:47,021 INFO L225 Difference]: With dead ends: 6124 [2024-11-24 01:32:47,021 INFO L226 Difference]: Without dead ends: 3238 [2024-11-24 01:32:47,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:32:47,028 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 133 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:47,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1452 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:32:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2024-11-24 01:32:47,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3216. [2024-11-24 01:32:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3216 states, 2824 states have (on average 1.2209631728045325) internal successors, (3448), 2858 states have internal predecessors, (3448), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2024-11-24 01:32:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4060 transitions. [2024-11-24 01:32:47,522 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4060 transitions. Word has length 150 [2024-11-24 01:32:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:47,523 INFO L471 AbstractCegarLoop]: Abstraction has 3216 states and 4060 transitions. [2024-11-24 01:32:47,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4060 transitions. [2024-11-24 01:32:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:47,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:47,527 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:47,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (24)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:47,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:47,728 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:47,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1167002271, now seen corresponding path program 1 times [2024-11-24 01:32:47,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:47,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576805957] [2024-11-24 01:32:47,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:47,730 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 [2024-11-24 01:32:47,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:47,732 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:47,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (25)] Waiting until timeout for monitored process [2024-11-24 01:32:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:48,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:32:48,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:48,261 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 22 treesize of output 10 [2024-11-24 01:32:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:48,280 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:48,280 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:48,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576805957] [2024-11-24 01:32:48,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576805957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:48,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:48,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:32:48,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285713950] [2024-11-24 01:32:48,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:48,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:48,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:48,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:48,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:32:48,282 INFO L87 Difference]: Start difference. First operand 3216 states and 4060 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:49,036 INFO L93 Difference]: Finished difference Result 6133 states and 7738 transitions. [2024-11-24 01:32:49,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:32:49,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:32:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:49,051 INFO L225 Difference]: With dead ends: 6133 [2024-11-24 01:32:49,051 INFO L226 Difference]: Without dead ends: 3127 [2024-11-24 01:32:49,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:49,057 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 127 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:49,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 471 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:32:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2024-11-24 01:32:49,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3109. [2024-11-24 01:32:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 2717 states have (on average 1.2116304747883695) internal successors, (3292), 2751 states have internal predecessors, (3292), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2024-11-24 01:32:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 3904 transitions. [2024-11-24 01:32:49,461 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 3904 transitions. Word has length 150 [2024-11-24 01:32:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:49,461 INFO L471 AbstractCegarLoop]: Abstraction has 3109 states and 3904 transitions. [2024-11-24 01:32:49,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3904 transitions. [2024-11-24 01:32:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:49,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:49,465 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:49,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (25)] Ended with exit code 0 [2024-11-24 01:32:49,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:49,666 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:49,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:49,666 INFO L85 PathProgramCache]: Analyzing trace with hash 137336518, now seen corresponding path program 1 times [2024-11-24 01:32:49,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:49,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970690354] [2024-11-24 01:32:49,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:49,667 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 [2024-11-24 01:32:49,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:49,670 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:49,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (26)] Waiting until timeout for monitored process [2024-11-24 01:32:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:49,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:32:49,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:50,232 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:32:50,232 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:50,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970690354] [2024-11-24 01:32:50,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970690354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:32:50,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:32:50,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:32:50,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043233640] [2024-11-24 01:32:50,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:50,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:32:50,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:50,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:32:50,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:32:50,234 INFO L87 Difference]: Start difference. First operand 3109 states and 3904 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:51,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:51,338 INFO L93 Difference]: Finished difference Result 6036 states and 7583 transitions. [2024-11-24 01:32:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:32:51,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:32:51,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:51,353 INFO L225 Difference]: With dead ends: 6036 [2024-11-24 01:32:51,353 INFO L226 Difference]: Without dead ends: 3137 [2024-11-24 01:32:51,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:32:51,359 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 244 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:51,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 791 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:32:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3137 states. [2024-11-24 01:32:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3137 to 3093. [2024-11-24 01:32:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 2701 states have (on average 1.2069603850425767) internal successors, (3260), 2735 states have internal predecessors, (3260), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2024-11-24 01:32:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 3872 transitions. [2024-11-24 01:32:51,752 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 3872 transitions. Word has length 150 [2024-11-24 01:32:51,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:51,753 INFO L471 AbstractCegarLoop]: Abstraction has 3093 states and 3872 transitions. [2024-11-24 01:32:51,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3872 transitions. [2024-11-24 01:32:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:51,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:51,758 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:51,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (26)] Forceful destruction successful, exit code 0 [2024-11-24 01:32:51,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:51,959 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:51,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1944398367, now seen corresponding path program 1 times [2024-11-24 01:32:51,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:51,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540293491] [2024-11-24 01:32:51,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:51,960 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 [2024-11-24 01:32:51,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:51,962 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:51,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (27)] Waiting until timeout for monitored process [2024-11-24 01:32:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:52,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 01:32:52,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:52,351 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 12 treesize of output 8 [2024-11-24 01:32:52,410 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 28 treesize of output 12 [2024-11-24 01:32:52,506 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 15 treesize of output 1 [2024-11-24 01:32:52,627 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 27 treesize of output 11 [2024-11-24 01:32:52,714 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 27 treesize of output 11 [2024-11-24 01:32:52,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:52,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-24 01:32:53,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:53,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 56 [2024-11-24 01:32:53,261 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 [2024-11-24 01:32:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 377 proven. 12 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-24 01:32:54,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:55,324 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:55,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540293491] [2024-11-24 01:32:55,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1540293491] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:55,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:55,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [18] total 29 [2024-11-24 01:32:55,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610043035] [2024-11-24 01:32:55,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:55,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:32:55,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:55,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:32:55,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:32:55,325 INFO L87 Difference]: Start difference. First operand 3093 states and 3872 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:57,843 INFO L93 Difference]: Finished difference Result 7781 states and 9804 transitions. [2024-11-24 01:32:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:32:57,846 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:32:57,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:57,869 INFO L225 Difference]: With dead ends: 7781 [2024-11-24 01:32:57,869 INFO L226 Difference]: Without dead ends: 5869 [2024-11-24 01:32:57,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=305, Invalid=885, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 01:32:57,874 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 482 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:57,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1608 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 01:32:57,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5869 states. [2024-11-24 01:32:58,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5869 to 4743. [2024-11-24 01:32:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 4254 states have (on average 1.2259050305594734) internal successors, (5215), 4313 states have internal predecessors, (5215), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-24 01:32:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 5967 transitions. [2024-11-24 01:32:58,266 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 5967 transitions. Word has length 150 [2024-11-24 01:32:58,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:58,266 INFO L471 AbstractCegarLoop]: Abstraction has 4743 states and 5967 transitions. [2024-11-24 01:32:58,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:32:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 5967 transitions. [2024-11-24 01:32:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:32:58,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:58,271 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:58,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (27)] Ended with exit code 0 [2024-11-24 01:32:58,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:32:58,471 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:58,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:58,472 INFO L85 PathProgramCache]: Analyzing trace with hash 762221027, now seen corresponding path program 1 times [2024-11-24 01:32:58,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:58,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708843705] [2024-11-24 01:32:58,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:58,472 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 [2024-11-24 01:32:58,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:58,474 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:32:58,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (28)] Waiting until timeout for monitored process [2024-11-24 01:32:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:58,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:32:58,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:58,851 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 15 treesize of output 1 [2024-11-24 01:32:58,854 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 1 [2024-11-24 01:32:58,857 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 15 treesize of output 1 [2024-11-24 01:32:58,917 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 27 treesize of output 11 [2024-11-24 01:32:58,946 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 27 treesize of output 11 [2024-11-24 01:32:58,990 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 1 [2024-11-24 01:32:59,028 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 21 [2024-11-24 01:32:59,071 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 [2024-11-24 01:32:59,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:59,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 22 [2024-11-24 01:32:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-24 01:32:59,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:32:59,909 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:59,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708843705] [2024-11-24 01:32:59,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708843705] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:59,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:59,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 22 [2024-11-24 01:32:59,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786670263] [2024-11-24 01:32:59,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:59,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:32:59,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:59,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:32:59,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:32:59,911 INFO L87 Difference]: Start difference. First operand 4743 states and 5967 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:02,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:02,072 INFO L93 Difference]: Finished difference Result 8881 states and 11216 transitions. [2024-11-24 01:33:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:33:02,073 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:33:02,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:02,101 INFO L225 Difference]: With dead ends: 8881 [2024-11-24 01:33:02,102 INFO L226 Difference]: Without dead ends: 5407 [2024-11-24 01:33:02,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=124, Invalid=806, Unknown=0, NotChecked=0, Total=930 [2024-11-24 01:33:02,108 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 251 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:02,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1584 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:33:02,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5407 states. [2024-11-24 01:33:02,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5407 to 4877. [2024-11-24 01:33:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 4388 states have (on average 1.2331358249772106) internal successors, (5411), 4447 states have internal predecessors, (5411), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-24 01:33:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 6163 transitions. [2024-11-24 01:33:02,447 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 6163 transitions. Word has length 150 [2024-11-24 01:33:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:02,448 INFO L471 AbstractCegarLoop]: Abstraction has 4877 states and 6163 transitions. [2024-11-24 01:33:02,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 6163 transitions. [2024-11-24 01:33:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:33:02,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:02,451 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:02,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (28)] Ended with exit code 0 [2024-11-24 01:33:02,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:02,653 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:02,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1872011809, now seen corresponding path program 1 times [2024-11-24 01:33:02,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:02,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101007013] [2024-11-24 01:33:02,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:02,654 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 [2024-11-24 01:33:02,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:02,657 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:02,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (29)] Waiting until timeout for monitored process [2024-11-24 01:33:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:03,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 01:33:03,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:03,065 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 8 treesize of output 1 [2024-11-24 01:33:03,069 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 21 [2024-11-24 01:33:03,115 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:03,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2024-11-24 01:33:03,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:03,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 22 [2024-11-24 01:33:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:03,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:03,525 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:03,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101007013] [2024-11-24 01:33:03,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101007013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:03,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:03,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:33:03,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988662601] [2024-11-24 01:33:03,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:03,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:33:03,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:03,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:33:03,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:33:03,527 INFO L87 Difference]: Start difference. First operand 4877 states and 6163 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:05,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:05,805 INFO L93 Difference]: Finished difference Result 9848 states and 12454 transitions. [2024-11-24 01:33:05,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:33:05,806 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:33:05,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:05,831 INFO L225 Difference]: With dead ends: 9848 [2024-11-24 01:33:05,831 INFO L226 Difference]: Without dead ends: 6258 [2024-11-24 01:33:05,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:33:05,838 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 209 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1937 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:05,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 1937 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 01:33:05,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6258 states. [2024-11-24 01:33:06,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6258 to 5047. [2024-11-24 01:33:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5047 states, 4558 states have (on average 1.2419921017990347) internal successors, (5661), 4617 states have internal predecessors, (5661), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-24 01:33:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5047 states to 5047 states and 6413 transitions. [2024-11-24 01:33:06,443 INFO L78 Accepts]: Start accepts. Automaton has 5047 states and 6413 transitions. Word has length 150 [2024-11-24 01:33:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:06,444 INFO L471 AbstractCegarLoop]: Abstraction has 5047 states and 6413 transitions. [2024-11-24 01:33:06,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5047 states and 6413 transitions. [2024-11-24 01:33:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:33:06,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:06,448 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:06,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (29)] Ended with exit code 0 [2024-11-24 01:33:06,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:06,648 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:06,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:06,649 INFO L85 PathProgramCache]: Analyzing trace with hash 834607585, now seen corresponding path program 1 times [2024-11-24 01:33:06,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:06,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738005912] [2024-11-24 01:33:06,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:06,649 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 [2024-11-24 01:33:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:06,651 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:06,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (30)] Waiting until timeout for monitored process [2024-11-24 01:33:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:07,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:33:07,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:07,038 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 12 treesize of output 8 [2024-11-24 01:33:07,099 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 23 treesize of output 22 [2024-11-24 01:33:07,305 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 15 treesize of output 1 [2024-11-24 01:33:07,538 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 27 treesize of output 11 [2024-11-24 01:33:07,679 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 27 treesize of output 11 [2024-11-24 01:33:07,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:07,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2024-11-24 01:33:08,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:08,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 45 [2024-11-24 01:33:08,232 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 [2024-11-24 01:33:08,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:08,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 30 [2024-11-24 01:33:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-24 01:33:08,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:33:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:09,285 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:09,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738005912] [2024-11-24 01:33:09,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738005912] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:33:09,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:33:09,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-11-24 01:33:09,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342380822] [2024-11-24 01:33:09,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:09,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:33:09,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:09,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:33:09,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:33:09,287 INFO L87 Difference]: Start difference. First operand 5047 states and 6413 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:11,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:11,110 INFO L93 Difference]: Finished difference Result 10486 states and 13301 transitions. [2024-11-24 01:33:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:33:11,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-24 01:33:11,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:11,133 INFO L225 Difference]: With dead ends: 10486 [2024-11-24 01:33:11,134 INFO L226 Difference]: Without dead ends: 6726 [2024-11-24 01:33:11,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-24 01:33:11,140 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 343 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:11,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 974 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 01:33:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6726 states. [2024-11-24 01:33:11,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6726 to 5102. [2024-11-24 01:33:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5102 states, 4613 states have (on average 1.2497290266637764) internal successors, (5765), 4672 states have internal predecessors, (5765), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-24 01:33:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5102 states to 5102 states and 6517 transitions. [2024-11-24 01:33:11,624 INFO L78 Accepts]: Start accepts. Automaton has 5102 states and 6517 transitions. Word has length 150 [2024-11-24 01:33:11,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:11,625 INFO L471 AbstractCegarLoop]: Abstraction has 5102 states and 6517 transitions. [2024-11-24 01:33:11,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 5102 states and 6517 transitions. [2024-11-24 01:33:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:33:11,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:11,628 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:11,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (30)] Ended with exit code 0 [2024-11-24 01:33:11,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:11,829 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:11,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:11,831 INFO L85 PathProgramCache]: Analyzing trace with hash -213210341, now seen corresponding path program 1 times [2024-11-24 01:33:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:11,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111850994] [2024-11-24 01:33:11,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:11,833 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 [2024-11-24 01:33:11,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:11,835 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:11,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (31)] Waiting until timeout for monitored process [2024-11-24 01:33:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:12,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:33:12,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-24 01:33:12,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:12,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:12,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111850994] [2024-11-24 01:33:12,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111850994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:12,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:12,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:12,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758602902] [2024-11-24 01:33:12,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:12,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:12,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:12,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:12,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:12,251 INFO L87 Difference]: Start difference. First operand 5102 states and 6517 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:33:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:12,639 INFO L93 Difference]: Finished difference Result 10023 states and 12798 transitions. [2024-11-24 01:33:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:12,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-24 01:33:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:12,657 INFO L225 Difference]: With dead ends: 10023 [2024-11-24 01:33:12,657 INFO L226 Difference]: Without dead ends: 5102 [2024-11-24 01:33:12,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:12,666 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:12,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:12,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5102 states. [2024-11-24 01:33:13,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5102 to 5102. [2024-11-24 01:33:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5102 states, 4613 states have (on average 1.2466941252980708) internal successors, (5751), 4672 states have internal predecessors, (5751), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-24 01:33:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5102 states to 5102 states and 6503 transitions. [2024-11-24 01:33:13,230 INFO L78 Accepts]: Start accepts. Automaton has 5102 states and 6503 transitions. Word has length 150 [2024-11-24 01:33:13,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:13,230 INFO L471 AbstractCegarLoop]: Abstraction has 5102 states and 6503 transitions. [2024-11-24 01:33:13,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:33:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5102 states and 6503 transitions. [2024-11-24 01:33:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:13,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:13,233 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:13,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (31)] Forceful destruction successful, exit code 0 [2024-11-24 01:33:13,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:13,438 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:13,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:13,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1325830879, now seen corresponding path program 1 times [2024-11-24 01:33:13,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:13,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778849574] [2024-11-24 01:33:13,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:13,439 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 [2024-11-24 01:33:13,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:13,440 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:13,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (32)] Waiting until timeout for monitored process [2024-11-24 01:33:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:13,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:33:13,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:13,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:13,924 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:13,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778849574] [2024-11-24 01:33:13,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778849574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:13,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:13,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:33:13,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061997578] [2024-11-24 01:33:13,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:13,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:33:13,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:13,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:33:13,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:33:13,926 INFO L87 Difference]: Start difference. First operand 5102 states and 6503 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:14,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:14,813 INFO L93 Difference]: Finished difference Result 11622 states and 14835 transitions. [2024-11-24 01:33:14,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:33:14,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:14,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:14,837 INFO L225 Difference]: With dead ends: 11622 [2024-11-24 01:33:14,837 INFO L226 Difference]: Without dead ends: 6858 [2024-11-24 01:33:14,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:33:14,845 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 75 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:14,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 919 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:33:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6858 states. [2024-11-24 01:33:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6858 to 5958. [2024-11-24 01:33:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5450 states have (on average 1.261834862385321) internal successors, (6877), 5514 states have internal predecessors, (6877), 390 states have call successors, (390), 117 states have call predecessors, (390), 117 states have return successors, (390), 326 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-24 01:33:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 7657 transitions. [2024-11-24 01:33:15,381 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 7657 transitions. Word has length 152 [2024-11-24 01:33:15,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:15,382 INFO L471 AbstractCegarLoop]: Abstraction has 5958 states and 7657 transitions. [2024-11-24 01:33:15,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 7657 transitions. [2024-11-24 01:33:15,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:15,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:15,386 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:15,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (32)] Ended with exit code 0 [2024-11-24 01:33:15,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:15,588 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:15,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:15,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1948068063, now seen corresponding path program 1 times [2024-11-24 01:33:15,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:15,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084704134] [2024-11-24 01:33:15,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:15,589 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 [2024-11-24 01:33:15,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:15,591 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:15,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (33)] Waiting until timeout for monitored process [2024-11-24 01:33:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:16,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:33:16,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:17,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:17,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 35 [2024-11-24 01:33:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:17,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:17,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:17,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084704134] [2024-11-24 01:33:17,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084704134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:17,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:17,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:33:17,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594033448] [2024-11-24 01:33:17,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:17,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:33:17,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:17,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:33:17,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:33:17,188 INFO L87 Difference]: Start difference. First operand 5958 states and 7657 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:20,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:20,012 INFO L93 Difference]: Finished difference Result 12086 states and 15464 transitions. [2024-11-24 01:33:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:33:20,013 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:20,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:20,034 INFO L225 Difference]: With dead ends: 12086 [2024-11-24 01:33:20,034 INFO L226 Difference]: Without dead ends: 6550 [2024-11-24 01:33:20,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:33:20,043 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 330 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:20,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1478 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 01:33:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2024-11-24 01:33:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 5950. [2024-11-24 01:33:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5950 states, 5442 states have (on average 1.2600147004777655) internal successors, (6857), 5506 states have internal predecessors, (6857), 390 states have call successors, (390), 117 states have call predecessors, (390), 117 states have return successors, (390), 326 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-24 01:33:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 7637 transitions. [2024-11-24 01:33:20,690 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 7637 transitions. Word has length 152 [2024-11-24 01:33:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:20,690 INFO L471 AbstractCegarLoop]: Abstraction has 5950 states and 7637 transitions. [2024-11-24 01:33:20,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 7637 transitions. [2024-11-24 01:33:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:20,693 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:20,694 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:20,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (33)] Forceful destruction successful, exit code 0 [2024-11-24 01:33:20,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:20,898 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:20,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:20,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1631449195, now seen corresponding path program 1 times [2024-11-24 01:33:20,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:20,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178527181] [2024-11-24 01:33:20,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:20,899 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 [2024-11-24 01:33:20,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:20,904 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:20,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (34)] Waiting until timeout for monitored process [2024-11-24 01:33:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:21,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:33:21,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:21,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:21,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:21,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178527181] [2024-11-24 01:33:21,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178527181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:21,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:21,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:33:21,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230394481] [2024-11-24 01:33:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:21,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:33:21,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:21,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:33:21,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:33:21,513 INFO L87 Difference]: Start difference. First operand 5950 states and 7637 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:22,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:22,442 INFO L93 Difference]: Finished difference Result 13094 states and 16751 transitions. [2024-11-24 01:33:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:33:22,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:22,501 INFO L225 Difference]: With dead ends: 13094 [2024-11-24 01:33:22,501 INFO L226 Difference]: Without dead ends: 7566 [2024-11-24 01:33:22,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:33:22,507 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 76 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:22,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 776 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:33:22,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2024-11-24 01:33:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 6614. [2024-11-24 01:33:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6614 states, 6087 states have (on average 1.2635124034828322) internal successors, (7691), 6156 states have internal predecessors, (7691), 404 states have call successors, (404), 122 states have call predecessors, (404), 122 states have return successors, (404), 335 states have call predecessors, (404), 404 states have call successors, (404) [2024-11-24 01:33:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6614 states to 6614 states and 8499 transitions. [2024-11-24 01:33:23,072 INFO L78 Accepts]: Start accepts. Automaton has 6614 states and 8499 transitions. Word has length 152 [2024-11-24 01:33:23,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:23,073 INFO L471 AbstractCegarLoop]: Abstraction has 6614 states and 8499 transitions. [2024-11-24 01:33:23,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6614 states and 8499 transitions. [2024-11-24 01:33:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:23,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:23,075 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:23,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (34)] Ended with exit code 0 [2024-11-24 01:33:23,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:23,276 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:23,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash -362695511, now seen corresponding path program 1 times [2024-11-24 01:33:23,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:23,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360937982] [2024-11-24 01:33:23,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:23,277 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 [2024-11-24 01:33:23,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:23,278 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (35)] Waiting until timeout for monitored process [2024-11-24 01:33:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:23,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:33:23,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:24,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:24,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 41 [2024-11-24 01:33:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:24,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:24,170 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:24,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360937982] [2024-11-24 01:33:24,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360937982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:24,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:24,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:33:24,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710950189] [2024-11-24 01:33:24,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:24,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:33:24,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:24,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:33:24,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:33:24,172 INFO L87 Difference]: Start difference. First operand 6614 states and 8499 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:26,261 INFO L93 Difference]: Finished difference Result 14375 states and 18389 transitions. [2024-11-24 01:33:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:33:26,261 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:26,279 INFO L225 Difference]: With dead ends: 14375 [2024-11-24 01:33:26,279 INFO L226 Difference]: Without dead ends: 8211 [2024-11-24 01:33:26,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:33:26,288 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 349 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:26,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1310 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 01:33:26,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8211 states. [2024-11-24 01:33:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8211 to 6971. [2024-11-24 01:33:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 6444 states have (on average 1.2652079453755432) internal successors, (8153), 6513 states have internal predecessors, (8153), 404 states have call successors, (404), 122 states have call predecessors, (404), 122 states have return successors, (404), 335 states have call predecessors, (404), 404 states have call successors, (404) [2024-11-24 01:33:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 8961 transitions. [2024-11-24 01:33:26,862 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 8961 transitions. Word has length 152 [2024-11-24 01:33:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:26,863 INFO L471 AbstractCegarLoop]: Abstraction has 6971 states and 8961 transitions. [2024-11-24 01:33:26,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 8961 transitions. [2024-11-24 01:33:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:26,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:26,866 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:26,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (35)] Ended with exit code 0 [2024-11-24 01:33:27,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:27,067 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:27,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:27,067 INFO L85 PathProgramCache]: Analyzing trace with hash -624231005, now seen corresponding path program 1 times [2024-11-24 01:33:27,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:27,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665317046] [2024-11-24 01:33:27,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:27,068 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 [2024-11-24 01:33:27,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:27,070 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:27,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (36)] Waiting until timeout for monitored process [2024-11-24 01:33:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:27,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:33:27,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:27,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:27,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 44 [2024-11-24 01:33:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:27,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:27,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:27,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665317046] [2024-11-24 01:33:27,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665317046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:27,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:27,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:33:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962755289] [2024-11-24 01:33:27,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:27,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:33:27,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:27,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:33:27,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:33:27,897 INFO L87 Difference]: Start difference. First operand 6971 states and 8961 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:29,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:29,981 INFO L93 Difference]: Finished difference Result 13452 states and 17289 transitions. [2024-11-24 01:33:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:33:29,981 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:29,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:30,000 INFO L225 Difference]: With dead ends: 13452 [2024-11-24 01:33:30,000 INFO L226 Difference]: Without dead ends: 6859 [2024-11-24 01:33:30,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:33:30,010 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 343 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:30,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 1593 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 01:33:30,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6859 states. [2024-11-24 01:33:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 6789. [2024-11-24 01:33:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6789 states, 6243 states have (on average 1.26045170591062) internal successors, (7869), 6313 states have internal predecessors, (7869), 418 states have call successors, (418), 127 states have call predecessors, (418), 127 states have return successors, (418), 348 states have call predecessors, (418), 418 states have call successors, (418) [2024-11-24 01:33:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6789 states to 6789 states and 8705 transitions. [2024-11-24 01:33:30,806 INFO L78 Accepts]: Start accepts. Automaton has 6789 states and 8705 transitions. Word has length 152 [2024-11-24 01:33:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:30,807 INFO L471 AbstractCegarLoop]: Abstraction has 6789 states and 8705 transitions. [2024-11-24 01:33:30,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6789 states and 8705 transitions. [2024-11-24 01:33:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:30,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:30,812 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:30,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (36)] Ended with exit code 0 [2024-11-24 01:33:31,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:31,013 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:31,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1961918227, now seen corresponding path program 1 times [2024-11-24 01:33:31,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181450966] [2024-11-24 01:33:31,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:31,014 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 [2024-11-24 01:33:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:31,016 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:31,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (37)] Waiting until timeout for monitored process [2024-11-24 01:33:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:31,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:33:31,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:32,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:32,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:32,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181450966] [2024-11-24 01:33:32,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181450966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:32,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:32,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:33:32,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788631428] [2024-11-24 01:33:32,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:32,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:33:32,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:32,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:33:32,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:33:32,177 INFO L87 Difference]: Start difference. First operand 6789 states and 8705 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:34,258 INFO L93 Difference]: Finished difference Result 13728 states and 17505 transitions. [2024-11-24 01:33:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:33:34,259 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:34,324 INFO L225 Difference]: With dead ends: 13728 [2024-11-24 01:33:34,325 INFO L226 Difference]: Without dead ends: 7365 [2024-11-24 01:33:34,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:33:34,334 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 320 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:34,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 1309 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 01:33:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7365 states. [2024-11-24 01:33:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7365 to 5879. [2024-11-24 01:33:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5879 states, 5420 states have (on average 1.2736162361623615) internal successors, (6903), 5469 states have internal predecessors, (6903), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:33:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 7599 transitions. [2024-11-24 01:33:34,856 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 7599 transitions. Word has length 152 [2024-11-24 01:33:34,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:34,856 INFO L471 AbstractCegarLoop]: Abstraction has 5879 states and 7599 transitions. [2024-11-24 01:33:34,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 7599 transitions. [2024-11-24 01:33:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:34,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:34,860 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:34,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (37)] Ended with exit code 0 [2024-11-24 01:33:35,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:35,061 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:35,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:35,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1903405306, now seen corresponding path program 1 times [2024-11-24 01:33:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:35,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298912157] [2024-11-24 01:33:35,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:35,063 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 [2024-11-24 01:33:35,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:35,067 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:35,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (38)] Waiting until timeout for monitored process [2024-11-24 01:33:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:35,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 01:33:35,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:35,530 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 12 treesize of output 8 [2024-11-24 01:33:35,576 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 28 treesize of output 12 [2024-11-24 01:33:35,677 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 15 treesize of output 1 [2024-11-24 01:33:35,831 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 27 treesize of output 11 [2024-11-24 01:33:35,926 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 27 treesize of output 11 [2024-11-24 01:33:36,069 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 28 treesize of output 12 [2024-11-24 01:33:36,153 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 30 treesize of output 25 [2024-11-24 01:33:36,214 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 [2024-11-24 01:33:36,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:36,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 25 [2024-11-24 01:33:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 377 proven. 12 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-24 01:33:36,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:33:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:36,807 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:36,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298912157] [2024-11-24 01:33:36,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298912157] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:33:36,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:33:36,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-24 01:33:36,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834670186] [2024-11-24 01:33:36,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:36,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:33:36,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:36,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:33:36,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:33:36,812 INFO L87 Difference]: Start difference. First operand 5879 states and 7599 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:38,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:38,221 INFO L93 Difference]: Finished difference Result 12174 states and 15672 transitions. [2024-11-24 01:33:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:33:38,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:38,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:38,239 INFO L225 Difference]: With dead ends: 12174 [2024-11-24 01:33:38,239 INFO L226 Difference]: Without dead ends: 7839 [2024-11-24 01:33:38,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:33:38,245 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 273 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:38,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 772 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:33:38,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7839 states. [2024-11-24 01:33:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7839 to 5759. [2024-11-24 01:33:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5759 states, 5300 states have (on average 1.2681132075471697) internal successors, (6721), 5349 states have internal predecessors, (6721), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:33:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5759 states to 5759 states and 7417 transitions. [2024-11-24 01:33:38,737 INFO L78 Accepts]: Start accepts. Automaton has 5759 states and 7417 transitions. Word has length 152 [2024-11-24 01:33:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:38,737 INFO L471 AbstractCegarLoop]: Abstraction has 5759 states and 7417 transitions. [2024-11-24 01:33:38,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5759 states and 7417 transitions. [2024-11-24 01:33:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:38,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:38,739 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:38,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (38)] Ended with exit code 0 [2024-11-24 01:33:38,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:38,939 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:38,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:38,940 INFO L85 PathProgramCache]: Analyzing trace with hash -517201912, now seen corresponding path program 1 times [2024-11-24 01:33:38,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:38,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667530769] [2024-11-24 01:33:38,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:38,941 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 [2024-11-24 01:33:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:38,943 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:38,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (39)] Waiting until timeout for monitored process [2024-11-24 01:33:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:39,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-24 01:33:39,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:39,357 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 12 treesize of output 8 [2024-11-24 01:33:39,406 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 23 treesize of output 22 [2024-11-24 01:33:39,598 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 15 treesize of output 1 [2024-11-24 01:33:39,823 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 27 treesize of output 11 [2024-11-24 01:33:39,968 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 27 treesize of output 11 [2024-11-24 01:33:40,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:40,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2024-11-24 01:33:40,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:40,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 61 [2024-11-24 01:33:40,593 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 [2024-11-24 01:33:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-24 01:33:41,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:33:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:41,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:41,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667530769] [2024-11-24 01:33:41,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667530769] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:33:41,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:33:41,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-24 01:33:41,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210536729] [2024-11-24 01:33:41,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:41,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:33:41,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:41,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:33:41,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:33:41,915 INFO L87 Difference]: Start difference. First operand 5759 states and 7417 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:44,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:44,385 INFO L93 Difference]: Finished difference Result 12734 states and 16383 transitions. [2024-11-24 01:33:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:33:44,386 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:44,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:44,402 INFO L225 Difference]: With dead ends: 12734 [2024-11-24 01:33:44,402 INFO L226 Difference]: Without dead ends: 8515 [2024-11-24 01:33:44,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=177, Invalid=579, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:33:44,409 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 329 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:44,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1371 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:33:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8515 states. [2024-11-24 01:33:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8515 to 5791. [2024-11-24 01:33:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5791 states, 5332 states have (on average 1.2691297824456114) internal successors, (6767), 5381 states have internal predecessors, (6767), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:33:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5791 states to 5791 states and 7463 transitions. [2024-11-24 01:33:44,919 INFO L78 Accepts]: Start accepts. Automaton has 5791 states and 7463 transitions. Word has length 152 [2024-11-24 01:33:44,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:44,919 INFO L471 AbstractCegarLoop]: Abstraction has 5791 states and 7463 transitions. [2024-11-24 01:33:44,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5791 states and 7463 transitions. [2024-11-24 01:33:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:44,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:44,922 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:44,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (39)] Ended with exit code 0 [2024-11-24 01:33:45,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:45,123 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:45,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash 43899014, now seen corresponding path program 1 times [2024-11-24 01:33:45,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:45,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142046314] [2024-11-24 01:33:45,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:45,124 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 [2024-11-24 01:33:45,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:45,127 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:45,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (40)] Waiting until timeout for monitored process [2024-11-24 01:33:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:45,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-24 01:33:45,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:45,554 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 8 treesize of output 1 [2024-11-24 01:33:45,562 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 [2024-11-24 01:33:45,816 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 25 [2024-11-24 01:33:45,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:45,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 56 [2024-11-24 01:33:46,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:46,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 48 [2024-11-24 01:33:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:33:46,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:46,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:46,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142046314] [2024-11-24 01:33:46,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142046314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:46,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:46,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 01:33:46,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089379422] [2024-11-24 01:33:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:46,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 01:33:46,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:46,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 01:33:46,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:33:46,987 INFO L87 Difference]: Start difference. First operand 5791 states and 7463 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:33:50,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:50,325 INFO L93 Difference]: Finished difference Result 10818 states and 13962 transitions. [2024-11-24 01:33:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:33:50,326 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-24 01:33:50,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:50,336 INFO L225 Difference]: With dead ends: 10818 [2024-11-24 01:33:50,337 INFO L226 Difference]: Without dead ends: 6553 [2024-11-24 01:33:50,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:33:50,341 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 327 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:50,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1419 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-24 01:33:50,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6553 states. [2024-11-24 01:33:50,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6553 to 5645. [2024-11-24 01:33:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 5186 states have (on average 1.2624373312765136) internal successors, (6547), 5235 states have internal predecessors, (6547), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:33:50,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 7243 transitions. [2024-11-24 01:33:50,797 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 7243 transitions. Word has length 152 [2024-11-24 01:33:50,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:50,797 INFO L471 AbstractCegarLoop]: Abstraction has 5645 states and 7243 transitions. [2024-11-24 01:33:50,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:33:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 7243 transitions. [2024-11-24 01:33:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:50,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:50,800 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:50,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (40)] Ended with exit code 0 [2024-11-24 01:33:51,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:51,001 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:51,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1544448888, now seen corresponding path program 1 times [2024-11-24 01:33:51,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:51,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69186101] [2024-11-24 01:33:51,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:51,002 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 [2024-11-24 01:33:51,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:51,005 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:51,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (41)] Waiting until timeout for monitored process [2024-11-24 01:33:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:51,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:33:51,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:51,515 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 8 treesize of output 1 [2024-11-24 01:33:51,519 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 1 [2024-11-24 01:33:51,525 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 1 [2024-11-24 01:33:51,541 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 21 [2024-11-24 01:33:51,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:51,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 22 [2024-11-24 01:33:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:51,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:51,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:51,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69186101] [2024-11-24 01:33:51,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69186101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:51,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:51,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:33:51,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848070755] [2024-11-24 01:33:51,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:51,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:33:51,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:51,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:33:51,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:33:51,816 INFO L87 Difference]: Start difference. First operand 5645 states and 7243 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:53,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:53,432 INFO L93 Difference]: Finished difference Result 10790 states and 13850 transitions. [2024-11-24 01:33:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:33:53,433 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:53,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:53,443 INFO L225 Difference]: With dead ends: 10790 [2024-11-24 01:33:53,443 INFO L226 Difference]: Without dead ends: 6671 [2024-11-24 01:33:53,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:33:53,450 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 160 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:53,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1974 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:33:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2024-11-24 01:33:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 5645. [2024-11-24 01:33:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 5186 states have (on average 1.2624373312765136) internal successors, (6547), 5235 states have internal predecessors, (6547), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:33:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 7243 transitions. [2024-11-24 01:33:53,858 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 7243 transitions. Word has length 152 [2024-11-24 01:33:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:53,859 INFO L471 AbstractCegarLoop]: Abstraction has 5645 states and 7243 transitions. [2024-11-24 01:33:53,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 7243 transitions. [2024-11-24 01:33:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:53,862 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:53,862 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:53,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (41)] Ended with exit code 0 [2024-11-24 01:33:54,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:54,063 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:54,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:54,063 INFO L85 PathProgramCache]: Analyzing trace with hash 745498888, now seen corresponding path program 1 times [2024-11-24 01:33:54,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:54,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879292117] [2024-11-24 01:33:54,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:54,064 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 [2024-11-24 01:33:54,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:54,066 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:54,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (42)] Waiting until timeout for monitored process [2024-11-24 01:33:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:54,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-24 01:33:54,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:54,513 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 8 treesize of output 1 [2024-11-24 01:33:54,517 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 1 [2024-11-24 01:33:54,521 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 21 [2024-11-24 01:33:54,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:54,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 52 [2024-11-24 01:33:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:33:55,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:55,375 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:55,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879292117] [2024-11-24 01:33:55,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879292117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:55,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:55,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:33:55,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641070520] [2024-11-24 01:33:55,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:55,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:33:55,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:55,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:33:55,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:33:55,377 INFO L87 Difference]: Start difference. First operand 5645 states and 7243 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:57,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:57,384 INFO L93 Difference]: Finished difference Result 10526 states and 13496 transitions. [2024-11-24 01:33:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:33:57,385 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:33:57,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:57,395 INFO L225 Difference]: With dead ends: 10526 [2024-11-24 01:33:57,395 INFO L226 Difference]: Without dead ends: 6365 [2024-11-24 01:33:57,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:33:57,401 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 323 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:57,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1329 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 01:33:57,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6365 states. [2024-11-24 01:33:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6365 to 5499. [2024-11-24 01:33:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 5040 states have (on average 1.2533730158730159) internal successors, (6317), 5089 states have internal predecessors, (6317), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:33:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 7013 transitions. [2024-11-24 01:33:57,990 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 7013 transitions. Word has length 152 [2024-11-24 01:33:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:57,991 INFO L471 AbstractCegarLoop]: Abstraction has 5499 states and 7013 transitions. [2024-11-24 01:33:57,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:33:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 7013 transitions. [2024-11-24 01:33:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:57,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:57,994 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:58,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (42)] Ended with exit code 0 [2024-11-24 01:33:58,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:33:58,195 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:58,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:58,195 INFO L85 PathProgramCache]: Analyzing trace with hash -842849014, now seen corresponding path program 1 times [2024-11-24 01:33:58,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:58,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713722753] [2024-11-24 01:33:58,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:58,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:33:58,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:58,199 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:33:58,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (43)] Waiting until timeout for monitored process [2024-11-24 01:33:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:58,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:33:58,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:58,627 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 8 treesize of output 1 [2024-11-24 01:33:58,630 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 [2024-11-24 01:33:58,878 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 30 treesize of output 14 [2024-11-24 01:33:58,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:58,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-24 01:33:59,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:59,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 27 [2024-11-24 01:33:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:33:59,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:33:59,345 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:59,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713722753] [2024-11-24 01:33:59,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713722753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:59,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:59,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 01:33:59,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204775886] [2024-11-24 01:33:59,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:59,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:33:59,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:59,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:33:59,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:33:59,347 INFO L87 Difference]: Start difference. First operand 5499 states and 7013 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:34:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:02,370 INFO L93 Difference]: Finished difference Result 10528 states and 13400 transitions. [2024-11-24 01:34:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 01:34:02,370 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-24 01:34:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:02,382 INFO L225 Difference]: With dead ends: 10528 [2024-11-24 01:34:02,382 INFO L226 Difference]: Without dead ends: 6525 [2024-11-24 01:34:02,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:34:02,387 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 296 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1858 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:02,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1858 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-24 01:34:02,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2024-11-24 01:34:02,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 5451. [2024-11-24 01:34:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 4992 states have (on average 1.2522035256410255) internal successors, (6251), 5041 states have internal predecessors, (6251), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:34:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 6947 transitions. [2024-11-24 01:34:02,860 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 6947 transitions. Word has length 152 [2024-11-24 01:34:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:02,861 INFO L471 AbstractCegarLoop]: Abstraction has 5451 states and 6947 transitions. [2024-11-24 01:34:02,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:34:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 6947 transitions. [2024-11-24 01:34:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:34:02,862 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:02,863 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:02,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (43)] Ended with exit code 0 [2024-11-24 01:34:03,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:03,063 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:03,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash -700443386, now seen corresponding path program 1 times [2024-11-24 01:34:03,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:03,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460354593] [2024-11-24 01:34:03,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:03,064 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 [2024-11-24 01:34:03,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:03,066 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:03,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (44)] Waiting until timeout for monitored process [2024-11-24 01:34:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:03,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 01:34:03,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:03,499 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 8 treesize of output 1 [2024-11-24 01:34:03,557 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 24 treesize of output 23 [2024-11-24 01:34:04,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:04,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-11-24 01:34:04,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:04,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 46 [2024-11-24 01:34:04,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:04,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 39 [2024-11-24 01:34:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 286 proven. 33 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-24 01:34:04,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:05,213 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:05,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460354593] [2024-11-24 01:34:05,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460354593] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:05,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:34:05,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-11-24 01:34:05,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851230971] [2024-11-24 01:34:05,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:05,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:34:05,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:05,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:34:05,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:34:05,214 INFO L87 Difference]: Start difference. First operand 5451 states and 6947 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:06,638 INFO L93 Difference]: Finished difference Result 10477 states and 13344 transitions. [2024-11-24 01:34:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:34:06,639 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-11-24 01:34:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:06,648 INFO L225 Difference]: With dead ends: 10477 [2024-11-24 01:34:06,648 INFO L226 Difference]: Without dead ends: 6518 [2024-11-24 01:34:06,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:34:06,652 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 388 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:06,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1219 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:34:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6518 states. [2024-11-24 01:34:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6518 to 5341. [2024-11-24 01:34:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5341 states, 4882 states have (on average 1.2484637443670628) internal successors, (6095), 4931 states have internal predecessors, (6095), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:34:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 5341 states and 6791 transitions. [2024-11-24 01:34:06,990 INFO L78 Accepts]: Start accepts. Automaton has 5341 states and 6791 transitions. Word has length 152 [2024-11-24 01:34:06,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:06,991 INFO L471 AbstractCegarLoop]: Abstraction has 5341 states and 6791 transitions. [2024-11-24 01:34:06,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 6791 transitions. [2024-11-24 01:34:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:34:06,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:06,992 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:06,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (44)] Ended with exit code 0 [2024-11-24 01:34:07,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:07,193 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:07,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:07,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1156488, now seen corresponding path program 1 times [2024-11-24 01:34:07,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:07,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058886476] [2024-11-24 01:34:07,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:07,194 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 [2024-11-24 01:34:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:07,196 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:07,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (45)] Waiting until timeout for monitored process [2024-11-24 01:34:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:07,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:34:07,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:07,662 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 8 treesize of output 1 [2024-11-24 01:34:07,665 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 [2024-11-24 01:34:07,918 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 30 treesize of output 14 [2024-11-24 01:34:08,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:08,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2024-11-24 01:34:08,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:08,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 33 [2024-11-24 01:34:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:34:08,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:08,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:08,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058886476] [2024-11-24 01:34:08,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058886476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:08,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:08,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:34:08,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66392215] [2024-11-24 01:34:08,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:08,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:34:08,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:08,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:34:08,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:34:08,426 INFO L87 Difference]: Start difference. First operand 5341 states and 6791 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:34:11,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:11,062 INFO L93 Difference]: Finished difference Result 10799 states and 13692 transitions. [2024-11-24 01:34:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:34:11,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-24 01:34:11,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:11,074 INFO L225 Difference]: With dead ends: 10799 [2024-11-24 01:34:11,074 INFO L226 Difference]: Without dead ends: 6946 [2024-11-24 01:34:11,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:34:11,079 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 285 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:11,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1309 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-24 01:34:11,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6946 states. [2024-11-24 01:34:11,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6946 to 4995. [2024-11-24 01:34:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4995 states, 4536 states have (on average 1.2339065255731922) internal successors, (5597), 4585 states have internal predecessors, (5597), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:34:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 6293 transitions. [2024-11-24 01:34:11,453 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 6293 transitions. Word has length 152 [2024-11-24 01:34:11,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:11,453 INFO L471 AbstractCegarLoop]: Abstraction has 4995 states and 6293 transitions. [2024-11-24 01:34:11,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:34:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 6293 transitions. [2024-11-24 01:34:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:34:11,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:11,456 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:11,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (45)] Forceful destruction successful, exit code 0 [2024-11-24 01:34:11,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:11,657 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:11,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:11,657 INFO L85 PathProgramCache]: Analyzing trace with hash -451019235, now seen corresponding path program 1 times [2024-11-24 01:34:11,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:11,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678876345] [2024-11-24 01:34:11,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:11,658 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 [2024-11-24 01:34:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:11,667 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:11,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (46)] Waiting until timeout for monitored process [2024-11-24 01:34:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:12,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:34:12,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-24 01:34:12,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:12,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678876345] [2024-11-24 01:34:12,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678876345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:12,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:12,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:34:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042032936] [2024-11-24 01:34:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:12,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:34:12,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:12,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:34:12,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:34:12,092 INFO L87 Difference]: Start difference. First operand 4995 states and 6293 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 01:34:12,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:12,641 INFO L93 Difference]: Finished difference Result 9970 states and 12534 transitions. [2024-11-24 01:34:12,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:34:12,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2024-11-24 01:34:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:12,653 INFO L225 Difference]: With dead ends: 9970 [2024-11-24 01:34:12,653 INFO L226 Difference]: Without dead ends: 5123 [2024-11-24 01:34:12,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:34:12,662 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 1 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:12,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 631 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:34:12,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-24 01:34:13,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 4995. [2024-11-24 01:34:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4995 states, 4536 states have (on average 1.2312610229276897) internal successors, (5585), 4585 states have internal predecessors, (5585), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:34:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 6281 transitions. [2024-11-24 01:34:13,076 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 6281 transitions. Word has length 152 [2024-11-24 01:34:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:13,076 INFO L471 AbstractCegarLoop]: Abstraction has 4995 states and 6281 transitions. [2024-11-24 01:34:13,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 01:34:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 6281 transitions. [2024-11-24 01:34:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:34:13,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:13,078 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:13,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (46)] Forceful destruction successful, exit code 0 [2024-11-24 01:34:13,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:13,278 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:13,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:13,279 INFO L85 PathProgramCache]: Analyzing trace with hash 641615967, now seen corresponding path program 1 times [2024-11-24 01:34:13,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:13,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978395877] [2024-11-24 01:34:13,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:13,279 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 [2024-11-24 01:34:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:13,281 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:13,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (47)] Waiting until timeout for monitored process [2024-11-24 01:34:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:13,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:34:13,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:13,811 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 1 [2024-11-24 01:34:14,811 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 119 treesize of output 59 [2024-11-24 01:34:15,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:15,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 201 treesize of output 75 [2024-11-24 01:34:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 244 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-24 01:34:15,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:15,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:15,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978395877] [2024-11-24 01:34:15,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978395877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:15,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2089286441] [2024-11-24 01:34:15,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:15,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:34:15,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:34:15,569 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:34:15,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-24 01:34:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:16,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 01:34:16,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:16,946 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 15 treesize of output 1 [2024-11-24 01:34:18,610 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 101 treesize of output 57 [2024-11-24 01:34:19,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:19,080 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 171 treesize of output 75 [2024-11-24 01:34:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 244 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-24 01:34:19,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:19,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2089286441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:19,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:34:19,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-24 01:34:19,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584584256] [2024-11-24 01:34:19,352 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:34:19,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:34:19,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:19,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:34:19,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-24 01:34:19,353 INFO L87 Difference]: Start difference. First operand 4995 states and 6281 transitions. Second operand has 22 states, 20 states have (on average 7.3) internal successors, (146), 19 states have internal predecessors, (146), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-24 01:34:22,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:22,012 INFO L93 Difference]: Finished difference Result 9808 states and 12277 transitions. [2024-11-24 01:34:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 01:34:22,012 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 7.3) internal successors, (146), 19 states have internal predecessors, (146), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 152 [2024-11-24 01:34:22,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:22,028 INFO L225 Difference]: With dead ends: 9808 [2024-11-24 01:34:22,028 INFO L226 Difference]: Without dead ends: 5123 [2024-11-24 01:34:22,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 362 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2024-11-24 01:34:22,035 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 523 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:22,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 1747 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:34:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-24 01:34:22,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 2613. [2024-11-24 01:34:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2354 states have (on average 1.2221750212404419) internal successors, (2877), 2377 states have internal predecessors, (2877), 188 states have call successors, (188), 70 states have call predecessors, (188), 70 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:34:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3253 transitions. [2024-11-24 01:34:22,505 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3253 transitions. Word has length 152 [2024-11-24 01:34:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:22,506 INFO L471 AbstractCegarLoop]: Abstraction has 2613 states and 3253 transitions. [2024-11-24 01:34:22,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 7.3) internal successors, (146), 19 states have internal predecessors, (146), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-24 01:34:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3253 transitions. [2024-11-24 01:34:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 01:34:22,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:22,508 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:22,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (47)] Ended with exit code 0 [2024-11-24 01:34:22,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-24 01:34:22,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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=3,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:34:22,909 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:22,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:22,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2038347279, now seen corresponding path program 1 times [2024-11-24 01:34:22,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:22,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575847133] [2024-11-24 01:34:22,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:22,910 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 [2024-11-24 01:34:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:22,912 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:22,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (49)] Waiting until timeout for monitored process [2024-11-24 01:34:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:23,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:34:23,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:23,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:23,287 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575847133] [2024-11-24 01:34:23,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575847133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:23,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:23,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:34:23,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814004049] [2024-11-24 01:34:23,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:23,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:34:23,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:23,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:34:23,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:34:23,289 INFO L87 Difference]: Start difference. First operand 2613 states and 3253 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:23,535 INFO L93 Difference]: Finished difference Result 4422 states and 5534 transitions. [2024-11-24 01:34:23,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:34:23,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 153 [2024-11-24 01:34:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:23,542 INFO L225 Difference]: With dead ends: 4422 [2024-11-24 01:34:23,542 INFO L226 Difference]: Without dead ends: 2567 [2024-11-24 01:34:23,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:34:23,547 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 299 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 [2024-11-24 01:34:23,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 299 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:34:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2024-11-24 01:34:23,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2564. [2024-11-24 01:34:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 2305 states have (on average 1.2164859002169197) internal successors, (2804), 2328 states have internal predecessors, (2804), 188 states have call successors, (188), 70 states have call predecessors, (188), 70 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:34:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3180 transitions. [2024-11-24 01:34:23,772 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3180 transitions. Word has length 153 [2024-11-24 01:34:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:23,772 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 3180 transitions. [2024-11-24 01:34:23,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3180 transitions. [2024-11-24 01:34:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:34:23,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:23,773 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:23,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (49)] Ended with exit code 0 [2024-11-24 01:34:23,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:23,974 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:23,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1498266246, now seen corresponding path program 1 times [2024-11-24 01:34:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:23,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115531796] [2024-11-24 01:34:23,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:23,975 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 [2024-11-24 01:34:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:23,976 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:23,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (50)] Waiting until timeout for monitored process [2024-11-24 01:34:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:24,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:34:24,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:24,554 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 8 treesize of output 1 [2024-11-24 01:34:24,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:24,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2024-11-24 01:34:24,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:24,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 18 [2024-11-24 01:34:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:24,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:24,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:24,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115531796] [2024-11-24 01:34:24,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115531796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:24,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:24,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:34:24,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249623519] [2024-11-24 01:34:24,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:24,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:34:24,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:24,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:34:24,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:34:24,847 INFO L87 Difference]: Start difference. First operand 2564 states and 3180 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:25,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:25,993 INFO L93 Difference]: Finished difference Result 5817 states and 7195 transitions. [2024-11-24 01:34:25,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:34:25,994 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-24 01:34:25,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:26,001 INFO L225 Difference]: With dead ends: 5817 [2024-11-24 01:34:26,001 INFO L226 Difference]: Without dead ends: 3420 [2024-11-24 01:34:26,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:34:26,004 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 92 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:26,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1833 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:34:26,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2024-11-24 01:34:26,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 3307. [2024-11-24 01:34:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 2996 states have (on average 1.215954606141522) internal successors, (3643), 3026 states have internal predecessors, (3643), 224 states have call successors, (224), 86 states have call predecessors, (224), 86 states have return successors, (224), 194 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-24 01:34:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4091 transitions. [2024-11-24 01:34:26,309 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4091 transitions. Word has length 154 [2024-11-24 01:34:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:26,309 INFO L471 AbstractCegarLoop]: Abstraction has 3307 states and 4091 transitions. [2024-11-24 01:34:26,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4091 transitions. [2024-11-24 01:34:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:34:26,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:26,311 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:26,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (50)] Ended with exit code 0 [2024-11-24 01:34:26,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:26,511 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:26,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:26,511 INFO L85 PathProgramCache]: Analyzing trace with hash 218402568, now seen corresponding path program 1 times [2024-11-24 01:34:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:26,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552215572] [2024-11-24 01:34:26,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:26,512 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 [2024-11-24 01:34:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:26,514 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:26,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (51)] Waiting until timeout for monitored process [2024-11-24 01:34:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:26,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 01:34:26,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:26,975 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 15 treesize of output 1 [2024-11-24 01:34:27,121 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 34 treesize of output 14 [2024-11-24 01:34:27,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:27,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2024-11-24 01:34:27,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:27,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 26 [2024-11-24 01:34:27,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:27,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 16 [2024-11-24 01:34:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 24 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-24 01:34:27,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:28,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:28,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552215572] [2024-11-24 01:34:28,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552215572] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:28,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:34:28,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2024-11-24 01:34:28,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981566752] [2024-11-24 01:34:28,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:28,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:34:28,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:28,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:34:28,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:34:28,230 INFO L87 Difference]: Start difference. First operand 3307 states and 4091 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:28,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:28,799 INFO L93 Difference]: Finished difference Result 6525 states and 8061 transitions. [2024-11-24 01:34:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:28,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-24 01:34:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:28,808 INFO L225 Difference]: With dead ends: 6525 [2024-11-24 01:34:28,808 INFO L226 Difference]: Without dead ends: 3400 [2024-11-24 01:34:28,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:34:28,812 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 152 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:28,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 610 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:34:28,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2024-11-24 01:34:29,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 3288. [2024-11-24 01:34:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 2977 states have (on average 1.2139737991266375) internal successors, (3614), 3007 states have internal predecessors, (3614), 224 states have call successors, (224), 86 states have call predecessors, (224), 86 states have return successors, (224), 194 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-24 01:34:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 4062 transitions. [2024-11-24 01:34:29,112 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 4062 transitions. Word has length 154 [2024-11-24 01:34:29,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:29,113 INFO L471 AbstractCegarLoop]: Abstraction has 3288 states and 4062 transitions. [2024-11-24 01:34:29,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 4062 transitions. [2024-11-24 01:34:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:34:29,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:29,114 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:29,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (51)] Ended with exit code 0 [2024-11-24 01:34:29,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:29,319 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:29,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1520898500, now seen corresponding path program 1 times [2024-11-24 01:34:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332931519] [2024-11-24 01:34:29,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:29,320 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 [2024-11-24 01:34:29,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:29,322 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:29,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (52)] Waiting until timeout for monitored process [2024-11-24 01:34:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:29,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 01:34:29,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:29,802 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 15 treesize of output 1 [2024-11-24 01:34:29,946 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 34 treesize of output 14 [2024-11-24 01:34:30,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:30,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2024-11-24 01:34:30,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:30,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 27 [2024-11-24 01:34:30,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:30,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 17 [2024-11-24 01:34:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 24 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-24 01:34:30,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:31,041 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:31,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332931519] [2024-11-24 01:34:31,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332931519] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:31,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:34:31,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2024-11-24 01:34:31,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759172031] [2024-11-24 01:34:31,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:31,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:34:31,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:31,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:34:31,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:34:31,042 INFO L87 Difference]: Start difference. First operand 3288 states and 4062 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:31,532 INFO L93 Difference]: Finished difference Result 6415 states and 7918 transitions. [2024-11-24 01:34:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:31,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-24 01:34:31,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:31,541 INFO L225 Difference]: With dead ends: 6415 [2024-11-24 01:34:31,541 INFO L226 Difference]: Without dead ends: 3309 [2024-11-24 01:34:31,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:34:31,544 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 89 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:31,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 644 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:34:31,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2024-11-24 01:34:31,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 2813. [2024-11-24 01:34:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2588 states have (on average 1.2291344667697064) internal successors, (3181), 2608 states have internal predecessors, (3181), 162 states have call successors, (162), 62 states have call predecessors, (162), 62 states have return successors, (162), 142 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-24 01:34:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3505 transitions. [2024-11-24 01:34:31,789 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3505 transitions. Word has length 154 [2024-11-24 01:34:31,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:31,789 INFO L471 AbstractCegarLoop]: Abstraction has 2813 states and 3505 transitions. [2024-11-24 01:34:31,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3505 transitions. [2024-11-24 01:34:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:34:31,791 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:31,791 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:31,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (52)] Ended with exit code 0 [2024-11-24 01:34:31,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:31,991 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:31,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash 241034822, now seen corresponding path program 1 times [2024-11-24 01:34:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:31,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181548576] [2024-11-24 01:34:31,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:31,992 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 [2024-11-24 01:34:31,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:31,994 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:31,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (53)] Waiting until timeout for monitored process [2024-11-24 01:34:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:32,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:34:32,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:32,457 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 8 treesize of output 1 [2024-11-24 01:34:32,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:32,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-24 01:34:32,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:32,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 18 [2024-11-24 01:34:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:32,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:32,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:32,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181548576] [2024-11-24 01:34:32,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181548576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:32,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:32,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:34:32,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662829154] [2024-11-24 01:34:32,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:32,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:34:32,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:32,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:34:32,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:34:32,800 INFO L87 Difference]: Start difference. First operand 2813 states and 3505 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:34,168 INFO L93 Difference]: Finished difference Result 5919 states and 7335 transitions. [2024-11-24 01:34:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:34:34,169 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-24 01:34:34,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:34,177 INFO L225 Difference]: With dead ends: 5919 [2024-11-24 01:34:34,177 INFO L226 Difference]: Without dead ends: 3292 [2024-11-24 01:34:34,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:34:34,180 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 95 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:34,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1913 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:34:34,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2024-11-24 01:34:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 3170. [2024-11-24 01:34:34,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2887 states have (on average 1.2157949428472463) internal successors, (3510), 2914 states have internal predecessors, (3510), 202 states have call successors, (202), 80 states have call predecessors, (202), 80 states have return successors, (202), 175 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-24 01:34:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 3914 transitions. [2024-11-24 01:34:34,530 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 3914 transitions. Word has length 154 [2024-11-24 01:34:34,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:34,530 INFO L471 AbstractCegarLoop]: Abstraction has 3170 states and 3914 transitions. [2024-11-24 01:34:34,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 3914 transitions. [2024-11-24 01:34:34,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-24 01:34:34,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:34,531 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:34,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (53)] Ended with exit code 0 [2024-11-24 01:34:34,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:34,732 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:34,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:34,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1973424404, now seen corresponding path program 1 times [2024-11-24 01:34:34,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:34,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903559682] [2024-11-24 01:34:34,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:34,733 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 [2024-11-24 01:34:34,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:34,735 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:34,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (54)] Waiting until timeout for monitored process [2024-11-24 01:34:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:35,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:34:35,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:35,590 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 [2024-11-24 01:34:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-24 01:34:35,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:35,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:35,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903559682] [2024-11-24 01:34:35,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903559682] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:35,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:34:35,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-24 01:34:35,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310976523] [2024-11-24 01:34:35,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:35,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:34:35,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:35,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:34:35,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:34:35,822 INFO L87 Difference]: Start difference. First operand 3170 states and 3914 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:36,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:36,230 INFO L93 Difference]: Finished difference Result 5935 states and 7314 transitions. [2024-11-24 01:34:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:36,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-24 01:34:36,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:36,240 INFO L225 Difference]: With dead ends: 5935 [2024-11-24 01:34:36,240 INFO L226 Difference]: Without dead ends: 3445 [2024-11-24 01:34:36,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:34:36,243 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 138 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:36,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 537 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:34:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2024-11-24 01:34:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 3170. [2024-11-24 01:34:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2887 states have (on average 1.2092137166608936) internal successors, (3491), 2914 states have internal predecessors, (3491), 202 states have call successors, (202), 80 states have call predecessors, (202), 80 states have return successors, (202), 175 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-24 01:34:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 3895 transitions. [2024-11-24 01:34:36,575 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 3895 transitions. Word has length 155 [2024-11-24 01:34:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:36,576 INFO L471 AbstractCegarLoop]: Abstraction has 3170 states and 3895 transitions. [2024-11-24 01:34:36,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 3895 transitions. [2024-11-24 01:34:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:34:36,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:36,577 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:36,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (54)] Ended with exit code 0 [2024-11-24 01:34:36,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:36,778 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:36,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash -862410779, now seen corresponding path program 1 times [2024-11-24 01:34:36,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:36,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400828793] [2024-11-24 01:34:36,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:36,779 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 [2024-11-24 01:34:36,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:36,783 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:36,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (55)] Waiting until timeout for monitored process [2024-11-24 01:34:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:37,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 01:34:37,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:38,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:38,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:38,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400828793] [2024-11-24 01:34:38,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400828793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:38,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:38,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 01:34:38,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277925313] [2024-11-24 01:34:38,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:38,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 01:34:38,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:38,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 01:34:38,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:34:38,058 INFO L87 Difference]: Start difference. First operand 3170 states and 3895 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:39,967 INFO L93 Difference]: Finished difference Result 6133 states and 7545 transitions. [2024-11-24 01:34:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:34:39,968 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-24 01:34:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:39,977 INFO L225 Difference]: With dead ends: 6133 [2024-11-24 01:34:39,977 INFO L226 Difference]: Without dead ends: 3643 [2024-11-24 01:34:39,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:34:39,980 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 117 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:39,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1260 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:34:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2024-11-24 01:34:40,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 3541. [2024-11-24 01:34:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 3218 states have (on average 1.2078931013051586) internal successors, (3887), 3250 states have internal predecessors, (3887), 231 states have call successors, (231), 91 states have call predecessors, (231), 91 states have return successors, (231), 199 states have call predecessors, (231), 231 states have call successors, (231) [2024-11-24 01:34:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4349 transitions. [2024-11-24 01:34:40,340 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4349 transitions. Word has length 157 [2024-11-24 01:34:40,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:40,340 INFO L471 AbstractCegarLoop]: Abstraction has 3541 states and 4349 transitions. [2024-11-24 01:34:40,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4349 transitions. [2024-11-24 01:34:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:34:40,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:40,342 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:40,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (55)] Ended with exit code 0 [2024-11-24 01:34:40,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:40,543 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:40,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:40,543 INFO L85 PathProgramCache]: Analyzing trace with hash 639447932, now seen corresponding path program 1 times [2024-11-24 01:34:40,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:40,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340053732] [2024-11-24 01:34:40,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:40,544 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 [2024-11-24 01:34:40,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:40,545 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:40,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (56)] Waiting until timeout for monitored process [2024-11-24 01:34:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:41,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:34:41,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:41,052 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 15 treesize of output 1 [2024-11-24 01:34:41,112 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 27 treesize of output 11 [2024-11-24 01:34:41,149 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 27 treesize of output 11 [2024-11-24 01:34:41,218 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 [2024-11-24 01:34:41,367 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 22 treesize of output 10 [2024-11-24 01:34:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-24 01:34:41,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:41,713 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 27 treesize of output 15 [2024-11-24 01:34:41,855 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340053732] [2024-11-24 01:34:41,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340053732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [943021274] [2024-11-24 01:34:41,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:41,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:34:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:34:41,858 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:34:41,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-24 01:34:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:42,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 01:34:42,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:43,113 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 15 treesize of output 1 [2024-11-24 01:34:43,329 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 23 treesize of output 11 [2024-11-24 01:34:43,397 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 23 treesize of output 11 [2024-11-24 01:34:43,518 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 [2024-11-24 01:34:43,599 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 22 treesize of output 10 [2024-11-24 01:34:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-24 01:34:43,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:43,764 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 27 treesize of output 15 [2024-11-24 01:34:43,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [943021274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:43,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:34:43,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-24 01:34:43,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309786792] [2024-11-24 01:34:43,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:34:43,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:34:43,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:43,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:34:43,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:34:43,891 INFO L87 Difference]: Start difference. First operand 3541 states and 4349 transitions. Second operand has 15 states, 13 states have (on average 9.76923076923077) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (34), 4 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-24 01:34:48,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:48,887 INFO L93 Difference]: Finished difference Result 8989 states and 10989 transitions. [2024-11-24 01:34:48,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-24 01:34:48,888 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.76923076923077) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (34), 4 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 157 [2024-11-24 01:34:48,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:48,899 INFO L225 Difference]: With dead ends: 8989 [2024-11-24 01:34:48,900 INFO L226 Difference]: Without dead ends: 6124 [2024-11-24 01:34:48,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 392 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=214, Invalid=842, Unknown=0, NotChecked=0, Total=1056 [2024-11-24 01:34:48,904 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 321 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:48,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1269 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-24 01:34:48,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6124 states. [2024-11-24 01:34:49,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6124 to 3756. [2024-11-24 01:34:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3756 states, 3523 states have (on average 1.2455293783707069) internal successors, (4388), 3542 states have internal predecessors, (4388), 166 states have call successors, (166), 66 states have call predecessors, (166), 66 states have return successors, (166), 147 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-24 01:34:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3756 states and 4720 transitions. [2024-11-24 01:34:49,326 INFO L78 Accepts]: Start accepts. Automaton has 3756 states and 4720 transitions. Word has length 157 [2024-11-24 01:34:49,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:49,326 INFO L471 AbstractCegarLoop]: Abstraction has 3756 states and 4720 transitions. [2024-11-24 01:34:49,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.76923076923077) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (34), 4 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-24 01:34:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4720 transitions. [2024-11-24 01:34:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:34:49,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:49,328 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:49,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (56)] Ended with exit code 0 [2024-11-24 01:34:49,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-24 01:34:49,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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=3,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:34:49,728 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:49,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash 52641918, now seen corresponding path program 1 times [2024-11-24 01:34:49,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795178714] [2024-11-24 01:34:49,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:49,729 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 [2024-11-24 01:34:49,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:49,731 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:49,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (58)] Waiting until timeout for monitored process [2024-11-24 01:34:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:50,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:34:50,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:50,232 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 15 treesize of output 1 [2024-11-24 01:34:50,371 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 34 treesize of output 14 [2024-11-24 01:34:50,430 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 34 treesize of output 14 [2024-11-24 01:34:50,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:50,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 56 [2024-11-24 01:34:51,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:51,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 28 [2024-11-24 01:34:51,320 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 11 [2024-11-24 01:34:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 265 proven. 24 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-24 01:34:51,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:34:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:51,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:51,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795178714] [2024-11-24 01:34:51,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795178714] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:34:51,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:34:51,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2024-11-24 01:34:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104497435] [2024-11-24 01:34:51,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:51,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:34:51,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:51,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:34:51,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:34:51,714 INFO L87 Difference]: Start difference. First operand 3756 states and 4720 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:52,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:52,682 INFO L93 Difference]: Finished difference Result 7757 states and 9767 transitions. [2024-11-24 01:34:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:52,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-24 01:34:52,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:52,692 INFO L225 Difference]: With dead ends: 7757 [2024-11-24 01:34:52,692 INFO L226 Difference]: Without dead ends: 4712 [2024-11-24 01:34:52,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:34:52,695 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 83 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:52,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 612 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:34:52,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4712 states. [2024-11-24 01:34:53,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4712 to 4076. [2024-11-24 01:34:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4076 states, 3843 states have (on average 1.253968253968254) internal successors, (4819), 3862 states have internal predecessors, (4819), 166 states have call successors, (166), 66 states have call predecessors, (166), 66 states have return successors, (166), 147 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-24 01:34:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 5151 transitions. [2024-11-24 01:34:53,031 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 5151 transitions. Word has length 157 [2024-11-24 01:34:53,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:53,031 INFO L471 AbstractCegarLoop]: Abstraction has 4076 states and 5151 transitions. [2024-11-24 01:34:53,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 5151 transitions. [2024-11-24 01:34:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:34:53,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:53,032 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:53,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (58)] Forceful destruction successful, exit code 0 [2024-11-24 01:34:53,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:53,233 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:53,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:53,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1916371043, now seen corresponding path program 1 times [2024-11-24 01:34:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178695606] [2024-11-24 01:34:53,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:53,234 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 [2024-11-24 01:34:53,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:53,236 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (59)] Waiting until timeout for monitored process [2024-11-24 01:34:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:53,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:34:53,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:53,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:53,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 39 [2024-11-24 01:34:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:53,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:53,987 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:53,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178695606] [2024-11-24 01:34:53,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178695606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:53,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:53,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:34:53,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194385079] [2024-11-24 01:34:53,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:53,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:34:53,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:53,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:34:53,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:34:53,989 INFO L87 Difference]: Start difference. First operand 4076 states and 5151 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:55,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:55,666 INFO L93 Difference]: Finished difference Result 8481 states and 10649 transitions. [2024-11-24 01:34:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:34:55,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-24 01:34:55,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:55,676 INFO L225 Difference]: With dead ends: 8481 [2024-11-24 01:34:55,676 INFO L226 Difference]: Without dead ends: 4278 [2024-11-24 01:34:55,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:34:55,679 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 141 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:55,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1222 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:34:55,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4278 states. [2024-11-24 01:34:56,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4278 to 3397. [2024-11-24 01:34:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 3164 states have (on average 1.2310366624525917) internal successors, (3895), 3183 states have internal predecessors, (3895), 166 states have call successors, (166), 66 states have call predecessors, (166), 66 states have return successors, (166), 147 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-24 01:34:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4227 transitions. [2024-11-24 01:34:56,024 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4227 transitions. Word has length 157 [2024-11-24 01:34:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:56,024 INFO L471 AbstractCegarLoop]: Abstraction has 3397 states and 4227 transitions. [2024-11-24 01:34:56,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4227 transitions. [2024-11-24 01:34:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:34:56,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:56,025 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:56,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (59)] Ended with exit code 0 [2024-11-24 01:34:56,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:56,226 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:56,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:56,226 INFO L85 PathProgramCache]: Analyzing trace with hash 643410025, now seen corresponding path program 1 times [2024-11-24 01:34:56,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:56,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095805250] [2024-11-24 01:34:56,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:56,227 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 [2024-11-24 01:34:56,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:56,229 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:56,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (60)] Waiting until timeout for monitored process [2024-11-24 01:34:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:56,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:34:56,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:56,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:56,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 29 [2024-11-24 01:34:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:56,748 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:56,748 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:56,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095805250] [2024-11-24 01:34:56,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095805250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:56,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:56,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:34:56,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624712338] [2024-11-24 01:34:56,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:56,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:34:56,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:56,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:34:56,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:34:56,750 INFO L87 Difference]: Start difference. First operand 3397 states and 4227 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:57,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:57,652 INFO L93 Difference]: Finished difference Result 7843 states and 9692 transitions. [2024-11-24 01:34:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:34:57,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-24 01:34:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:57,663 INFO L225 Difference]: With dead ends: 7843 [2024-11-24 01:34:57,663 INFO L226 Difference]: Without dead ends: 4538 [2024-11-24 01:34:57,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:34:57,666 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 62 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:57,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 700 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:34:57,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2024-11-24 01:34:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 3509. [2024-11-24 01:34:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3509 states, 3262 states have (on average 1.2250153280196199) internal successors, (3996), 3283 states have internal predecessors, (3996), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-24 01:34:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3509 states and 4348 transitions. [2024-11-24 01:34:58,029 INFO L78 Accepts]: Start accepts. Automaton has 3509 states and 4348 transitions. Word has length 157 [2024-11-24 01:34:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:58,030 INFO L471 AbstractCegarLoop]: Abstraction has 3509 states and 4348 transitions. [2024-11-24 01:34:58,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:34:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3509 states and 4348 transitions. [2024-11-24 01:34:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:34:58,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:58,031 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:58,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (60)] Ended with exit code 0 [2024-11-24 01:34:58,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:34:58,232 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:58,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1350734681, now seen corresponding path program 1 times [2024-11-24 01:34:58,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:58,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797065589] [2024-11-24 01:34:58,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:58,233 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 [2024-11-24 01:34:58,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:58,234 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:34:58,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (61)] Waiting until timeout for monitored process [2024-11-24 01:34:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:58,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:34:58,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:34:59,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:59,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:59,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797065589] [2024-11-24 01:34:59,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797065589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:59,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:59,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 01:34:59,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734815032] [2024-11-24 01:34:59,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:59,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 01:34:59,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:59,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 01:34:59,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:34:59,425 INFO L87 Difference]: Start difference. First operand 3509 states and 4348 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:01,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:01,333 INFO L93 Difference]: Finished difference Result 7153 states and 8839 transitions. [2024-11-24 01:35:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 01:35:01,333 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-24 01:35:01,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:01,342 INFO L225 Difference]: With dead ends: 7153 [2024-11-24 01:35:01,343 INFO L226 Difference]: Without dead ends: 4332 [2024-11-24 01:35:01,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:35:01,346 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 162 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:01,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1059 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:35:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2024-11-24 01:35:01,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 3618. [2024-11-24 01:35:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 3371 states have (on average 1.2242657964995551) internal successors, (4127), 3392 states have internal predecessors, (4127), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-24 01:35:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4479 transitions. [2024-11-24 01:35:01,809 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4479 transitions. Word has length 157 [2024-11-24 01:35:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:01,809 INFO L471 AbstractCegarLoop]: Abstraction has 3618 states and 4479 transitions. [2024-11-24 01:35:01,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4479 transitions. [2024-11-24 01:35:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:35:01,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:01,810 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:01,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (61)] Ended with exit code 0 [2024-11-24 01:35:02,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:02,011 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:02,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:02,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2054842793, now seen corresponding path program 1 times [2024-11-24 01:35:02,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:02,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010842139] [2024-11-24 01:35:02,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:02,012 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 [2024-11-24 01:35:02,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:02,018 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:02,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (62)] Waiting until timeout for monitored process [2024-11-24 01:35:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:02,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 01:35:02,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:02,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:35:02,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 31 [2024-11-24 01:35:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:35:02,775 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:02,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:02,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010842139] [2024-11-24 01:35:02,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010842139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:02,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:02,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:35:02,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308994759] [2024-11-24 01:35:02,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:02,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:35:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:02,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:35:02,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:35:02,776 INFO L87 Difference]: Start difference. First operand 3618 states and 4479 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:04,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:04,092 INFO L93 Difference]: Finished difference Result 7436 states and 9160 transitions. [2024-11-24 01:35:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:35:04,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-24 01:35:04,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:04,102 INFO L225 Difference]: With dead ends: 7436 [2024-11-24 01:35:04,102 INFO L226 Difference]: Without dead ends: 3935 [2024-11-24 01:35:04,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:35:04,106 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 73 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:04,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 986 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:35:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935 states. [2024-11-24 01:35:04,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935 to 3454. [2024-11-24 01:35:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3454 states, 3207 states have (on average 1.219519800436545) internal successors, (3911), 3228 states have internal predecessors, (3911), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-24 01:35:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3454 states and 4263 transitions. [2024-11-24 01:35:04,493 INFO L78 Accepts]: Start accepts. Automaton has 3454 states and 4263 transitions. Word has length 157 [2024-11-24 01:35:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:04,494 INFO L471 AbstractCegarLoop]: Abstraction has 3454 states and 4263 transitions. [2024-11-24 01:35:04,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3454 states and 4263 transitions. [2024-11-24 01:35:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:35:04,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:04,495 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:04,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (62)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:04,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:04,695 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:04,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:04,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1129450530, now seen corresponding path program 1 times [2024-11-24 01:35:04,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:04,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339331192] [2024-11-24 01:35:04,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:04,696 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 [2024-11-24 01:35:04,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:04,698 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:04,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (63)] Waiting until timeout for monitored process [2024-11-24 01:35:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:05,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 01:35:05,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:35:06,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:06,397 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339331192] [2024-11-24 01:35:06,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339331192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:06,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:06,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 01:35:06,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304112168] [2024-11-24 01:35:06,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:06,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:35:06,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:06,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:35:06,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:35:06,398 INFO L87 Difference]: Start difference. First operand 3454 states and 4263 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:08,853 INFO L93 Difference]: Finished difference Result 8057 states and 9852 transitions. [2024-11-24 01:35:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 01:35:08,854 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-24 01:35:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:08,863 INFO L225 Difference]: With dead ends: 8057 [2024-11-24 01:35:08,863 INFO L226 Difference]: Without dead ends: 4770 [2024-11-24 01:35:08,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:35:08,867 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 145 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:08,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1802 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:35:08,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4770 states. [2024-11-24 01:35:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4770 to 3413. [2024-11-24 01:35:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 3166 states have (on average 1.2160454832596337) internal successors, (3850), 3187 states have internal predecessors, (3850), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-24 01:35:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4202 transitions. [2024-11-24 01:35:09,248 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4202 transitions. Word has length 159 [2024-11-24 01:35:09,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:09,248 INFO L471 AbstractCegarLoop]: Abstraction has 3413 states and 4202 transitions. [2024-11-24 01:35:09,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4202 transitions. [2024-11-24 01:35:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:35:09,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:09,249 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:09,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (63)] Ended with exit code 0 [2024-11-24 01:35:09,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:09,450 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:09,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:09,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1171372060, now seen corresponding path program 1 times [2024-11-24 01:35:09,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:09,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723375175] [2024-11-24 01:35:09,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:09,451 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 [2024-11-24 01:35:09,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:09,453 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:09,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (64)] Waiting until timeout for monitored process [2024-11-24 01:35:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:09,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:35:09,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:35:10,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:10,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:10,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723375175] [2024-11-24 01:35:10,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723375175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:10,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:10,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:35:10,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440291192] [2024-11-24 01:35:10,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:10,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:35:10,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:10,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:35:10,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:35:10,059 INFO L87 Difference]: Start difference. First operand 3413 states and 4202 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:11,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:11,265 INFO L93 Difference]: Finished difference Result 7410 states and 9075 transitions. [2024-11-24 01:35:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:35:11,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-24 01:35:11,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:11,276 INFO L225 Difference]: With dead ends: 7410 [2024-11-24 01:35:11,276 INFO L226 Difference]: Without dead ends: 4164 [2024-11-24 01:35:11,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:35:11,279 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 75 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:11,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 894 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:35:11,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2024-11-24 01:35:11,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 3715. [2024-11-24 01:35:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3715 states, 3451 states have (on average 1.213851057664445) internal successors, (4189), 3474 states have internal predecessors, (4189), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:35:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3715 states to 3715 states and 4565 transitions. [2024-11-24 01:35:11,764 INFO L78 Accepts]: Start accepts. Automaton has 3715 states and 4565 transitions. Word has length 159 [2024-11-24 01:35:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:11,764 INFO L471 AbstractCegarLoop]: Abstraction has 3715 states and 4565 transitions. [2024-11-24 01:35:11,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:11,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3715 states and 4565 transitions. [2024-11-24 01:35:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:35:11,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:11,767 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:11,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (64)] Ended with exit code 0 [2024-11-24 01:35:11,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:11,967 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:11,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:11,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1599805045, now seen corresponding path program 1 times [2024-11-24 01:35:11,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:11,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596592535] [2024-11-24 01:35:11,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:11,968 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 [2024-11-24 01:35:11,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:11,972 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:11,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (65)] Waiting until timeout for monitored process [2024-11-24 01:35:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:12,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:35:12,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:12,522 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 11 [2024-11-24 01:35:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:35:12,547 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:12,547 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596592535] [2024-11-24 01:35:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596592535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:12,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:12,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:35:12,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116009197] [2024-11-24 01:35:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:12,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:12,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:12,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:35:12,549 INFO L87 Difference]: Start difference. First operand 3715 states and 4565 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:13,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:13,757 INFO L93 Difference]: Finished difference Result 7309 states and 9012 transitions. [2024-11-24 01:35:13,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:35:13,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-24 01:35:13,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:13,767 INFO L225 Difference]: With dead ends: 7309 [2024-11-24 01:35:13,767 INFO L226 Difference]: Without dead ends: 4278 [2024-11-24 01:35:13,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:35:13,769 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 119 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:13,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 823 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:35:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4278 states. [2024-11-24 01:35:14,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4278 to 3676. [2024-11-24 01:35:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3412 states have (on average 1.2101406799531067) internal successors, (4129), 3435 states have internal predecessors, (4129), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:35:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 4505 transitions. [2024-11-24 01:35:14,197 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 4505 transitions. Word has length 159 [2024-11-24 01:35:14,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:14,197 INFO L471 AbstractCegarLoop]: Abstraction has 3676 states and 4505 transitions. [2024-11-24 01:35:14,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4505 transitions. [2024-11-24 01:35:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:35:14,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:14,198 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:14,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (65)] Ended with exit code 0 [2024-11-24 01:35:14,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:14,399 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:14,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:14,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1012999031, now seen corresponding path program 1 times [2024-11-24 01:35:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543170852] [2024-11-24 01:35:14,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:14,400 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 [2024-11-24 01:35:14,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:14,402 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:14,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (66)] Waiting until timeout for monitored process [2024-11-24 01:35:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:14,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:35:14,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:14,862 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 [2024-11-24 01:35:14,965 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 [2024-11-24 01:35:14,989 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 11 [2024-11-24 01:35:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:35:15,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:15,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543170852] [2024-11-24 01:35:15,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543170852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:15,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:15,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:35:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137653718] [2024-11-24 01:35:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:15,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:35:15,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:15,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:35:15,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:35:15,061 INFO L87 Difference]: Start difference. First operand 3676 states and 4505 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:16,704 INFO L93 Difference]: Finished difference Result 6693 states and 8230 transitions. [2024-11-24 01:35:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:35:16,705 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-24 01:35:16,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:16,713 INFO L225 Difference]: With dead ends: 6693 [2024-11-24 01:35:16,713 INFO L226 Difference]: Without dead ends: 3701 [2024-11-24 01:35:16,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:35:16,715 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 122 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:16,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1771 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:35:16,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2024-11-24 01:35:17,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3651. [2024-11-24 01:35:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3651 states, 3387 states have (on average 1.2096250369058164) internal successors, (4097), 3410 states have internal predecessors, (4097), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:35:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 3651 states and 4473 transitions. [2024-11-24 01:35:17,124 INFO L78 Accepts]: Start accepts. Automaton has 3651 states and 4473 transitions. Word has length 159 [2024-11-24 01:35:17,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:17,124 INFO L471 AbstractCegarLoop]: Abstraction has 3651 states and 4473 transitions. [2024-11-24 01:35:17,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 4473 transitions. [2024-11-24 01:35:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:35:17,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:17,126 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:17,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (66)] Ended with exit code 0 [2024-11-24 01:35:17,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:17,327 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:17,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:17,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1451605858, now seen corresponding path program 1 times [2024-11-24 01:35:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:17,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270466027] [2024-11-24 01:35:17,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:17,328 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 [2024-11-24 01:35:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:17,330 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:17,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (67)] Waiting until timeout for monitored process [2024-11-24 01:35:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:17,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:35:17,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:18,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:35:18,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 24 [2024-11-24 01:35:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:35:18,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:18,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:18,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270466027] [2024-11-24 01:35:18,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270466027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:18,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:18,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:35:18,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515907506] [2024-11-24 01:35:18,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:18,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:35:18,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:18,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:35:18,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:35:18,397 INFO L87 Difference]: Start difference. First operand 3651 states and 4473 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:21,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:21,133 INFO L93 Difference]: Finished difference Result 7633 states and 9312 transitions. [2024-11-24 01:35:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:35:21,134 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-24 01:35:21,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:21,143 INFO L225 Difference]: With dead ends: 7633 [2024-11-24 01:35:21,144 INFO L226 Difference]: Without dead ends: 3990 [2024-11-24 01:35:21,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:35:21,147 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 154 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:21,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1690 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 01:35:21,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2024-11-24 01:35:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3409. [2024-11-24 01:35:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3145 states have (on average 1.2006359300476948) internal successors, (3776), 3168 states have internal predecessors, (3776), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:35:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4152 transitions. [2024-11-24 01:35:21,613 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4152 transitions. Word has length 159 [2024-11-24 01:35:21,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:21,614 INFO L471 AbstractCegarLoop]: Abstraction has 3409 states and 4152 transitions. [2024-11-24 01:35:21,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4152 transitions. [2024-11-24 01:35:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-24 01:35:21,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:21,617 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:21,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (67)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:21,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:21,818 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:21,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:21,819 INFO L85 PathProgramCache]: Analyzing trace with hash -841432172, now seen corresponding path program 1 times [2024-11-24 01:35:21,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:21,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978827176] [2024-11-24 01:35:21,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:21,819 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 [2024-11-24 01:35:21,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:21,821 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:21,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (68)] Waiting until timeout for monitored process [2024-11-24 01:35:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:22,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:35:22,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-11-24 01:35:22,540 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:22,540 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:22,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978827176] [2024-11-24 01:35:22,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978827176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:22,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:22,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:35:22,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337965412] [2024-11-24 01:35:22,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:22,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:22,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:22,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:35:22,542 INFO L87 Difference]: Start difference. First operand 3409 states and 4152 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:23,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:23,063 INFO L93 Difference]: Finished difference Result 6408 states and 7694 transitions. [2024-11-24 01:35:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:35:23,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 292 [2024-11-24 01:35:23,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:23,073 INFO L225 Difference]: With dead ends: 6408 [2024-11-24 01:35:23,073 INFO L226 Difference]: Without dead ends: 3155 [2024-11-24 01:35:23,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:35:23,076 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 63 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:23,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 776 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2024-11-24 01:35:23,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 3123. [2024-11-24 01:35:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 2859 states have (on average 1.1409583770549143) internal successors, (3262), 2882 states have internal predecessors, (3262), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 01:35:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 3638 transitions. [2024-11-24 01:35:23,497 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 3638 transitions. Word has length 292 [2024-11-24 01:35:23,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:23,498 INFO L471 AbstractCegarLoop]: Abstraction has 3123 states and 3638 transitions. [2024-11-24 01:35:23,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 3638 transitions. [2024-11-24 01:35:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-24 01:35:23,501 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:23,501 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:23,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (68)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:23,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:23,702 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:23,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:23,702 INFO L85 PathProgramCache]: Analyzing trace with hash -622577454, now seen corresponding path program 1 times [2024-11-24 01:35:23,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:23,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738522090] [2024-11-24 01:35:23,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:23,703 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 [2024-11-24 01:35:23,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:23,705 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:23,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (69)] Waiting until timeout for monitored process [2024-11-24 01:35:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:24,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:35:24,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 1176 proven. 39 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2024-11-24 01:35:24,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:35:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2024-11-24 01:35:24,905 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:24,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738522090] [2024-11-24 01:35:24,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738522090] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:35:24,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:35:24,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:35:24,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739346623] [2024-11-24 01:35:24,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:24,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:24,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:24,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:24,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:35:24,907 INFO L87 Difference]: Start difference. First operand 3123 states and 3638 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:25,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:25,470 INFO L93 Difference]: Finished difference Result 5923 states and 6876 transitions. [2024-11-24 01:35:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:35:25,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 292 [2024-11-24 01:35:25,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:25,480 INFO L225 Difference]: With dead ends: 5923 [2024-11-24 01:35:25,480 INFO L226 Difference]: Without dead ends: 2956 [2024-11-24 01:35:25,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:35:25,483 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 120 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:25,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 440 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:25,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2024-11-24 01:35:25,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2287. [2024-11-24 01:35:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2287 states, 2051 states have (on average 1.1379814724524622) internal successors, (2334), 2065 states have internal predecessors, (2334), 164 states have call successors, (164), 71 states have call predecessors, (164), 71 states have return successors, (164), 150 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-24 01:35:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 2662 transitions. [2024-11-24 01:35:25,905 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 2662 transitions. Word has length 292 [2024-11-24 01:35:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:25,905 INFO L471 AbstractCegarLoop]: Abstraction has 2287 states and 2662 transitions. [2024-11-24 01:35:25,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2662 transitions. [2024-11-24 01:35:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-24 01:35:25,909 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:25,909 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:25,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (69)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:26,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:26,109 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:26,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash 650424795, now seen corresponding path program 1 times [2024-11-24 01:35:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:26,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534193751] [2024-11-24 01:35:26,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:26,111 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 [2024-11-24 01:35:26,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:26,113 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:26,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (70)] Waiting until timeout for monitored process [2024-11-24 01:35:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:26,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:35:26,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:27,182 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 [2024-11-24 01:35:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 1177 proven. 39 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2024-11-24 01:35:27,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:35:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2024-11-24 01:35:27,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:27,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534193751] [2024-11-24 01:35:27,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534193751] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:35:27,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:35:27,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-24 01:35:27,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695822474] [2024-11-24 01:35:27,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:27,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:27,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:27,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:27,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:35:27,453 INFO L87 Difference]: Start difference. First operand 2287 states and 2662 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:28,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:28,009 INFO L93 Difference]: Finished difference Result 4039 states and 4692 transitions. [2024-11-24 01:35:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:35:28,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 297 [2024-11-24 01:35:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:28,018 INFO L225 Difference]: With dead ends: 4039 [2024-11-24 01:35:28,018 INFO L226 Difference]: Without dead ends: 2063 [2024-11-24 01:35:28,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:35:28,020 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 110 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:28,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 517 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:28,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2024-11-24 01:35:28,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 1875. [2024-11-24 01:35:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1651 states have (on average 1.1393095093882495) internal successors, (1881), 1659 states have internal predecessors, (1881), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-24 01:35:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2185 transitions. [2024-11-24 01:35:28,414 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2185 transitions. Word has length 297 [2024-11-24 01:35:28,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:28,415 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2185 transitions. [2024-11-24 01:35:28,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2185 transitions. [2024-11-24 01:35:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-24 01:35:28,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:28,418 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:28,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (70)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:28,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:28,619 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:28,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash 643148504, now seen corresponding path program 1 times [2024-11-24 01:35:28,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:28,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657589830] [2024-11-24 01:35:28,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:28,620 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 [2024-11-24 01:35:28,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:28,622 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:28,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (71)] Waiting until timeout for monitored process [2024-11-24 01:35:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:29,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:35:29,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2024-11-24 01:35:29,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:29,390 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:29,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657589830] [2024-11-24 01:35:29,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657589830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:29,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:29,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:35:29,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881787221] [2024-11-24 01:35:29,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:29,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:29,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:29,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:29,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:35:29,392 INFO L87 Difference]: Start difference. First operand 1875 states and 2185 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:30,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:30,388 INFO L93 Difference]: Finished difference Result 3632 states and 4240 transitions. [2024-11-24 01:35:30,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:35:30,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 300 [2024-11-24 01:35:30,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:30,398 INFO L225 Difference]: With dead ends: 3632 [2024-11-24 01:35:30,398 INFO L226 Difference]: Without dead ends: 2164 [2024-11-24 01:35:30,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:35:30,400 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 118 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:30,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 529 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:35:30,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2024-11-24 01:35:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1872. [2024-11-24 01:35:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1872 states, 1648 states have (on average 1.1316747572815533) internal successors, (1865), 1656 states have internal predecessors, (1865), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-24 01:35:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2169 transitions. [2024-11-24 01:35:30,808 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2169 transitions. Word has length 300 [2024-11-24 01:35:30,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:30,809 INFO L471 AbstractCegarLoop]: Abstraction has 1872 states and 2169 transitions. [2024-11-24 01:35:30,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2169 transitions. [2024-11-24 01:35:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-24 01:35:30,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:30,812 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:30,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (71)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:31,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:31,013 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:31,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1592885135, now seen corresponding path program 1 times [2024-11-24 01:35:31,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744678395] [2024-11-24 01:35:31,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:31,014 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 [2024-11-24 01:35:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:31,016 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:31,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (72)] Waiting until timeout for monitored process [2024-11-24 01:35:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:31,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:35:31,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:32,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:35:32,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 30 [2024-11-24 01:35:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2024-11-24 01:35:32,482 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:32,482 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744678395] [2024-11-24 01:35:32,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744678395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:32,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:32,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:35:32,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241716645] [2024-11-24 01:35:32,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:32,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:35:32,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:32,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:35:32,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:35:32,484 INFO L87 Difference]: Start difference. First operand 1872 states and 2169 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:34,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:34,347 INFO L93 Difference]: Finished difference Result 3565 states and 4116 transitions. [2024-11-24 01:35:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:35:34,348 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 302 [2024-11-24 01:35:34,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:34,357 INFO L225 Difference]: With dead ends: 3565 [2024-11-24 01:35:34,357 INFO L226 Difference]: Without dead ends: 2100 [2024-11-24 01:35:34,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:35:34,359 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 97 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:34,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1368 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 01:35:34,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2024-11-24 01:35:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1860. [2024-11-24 01:35:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1636 states have (on average 1.1253056234718826) internal successors, (1841), 1644 states have internal predecessors, (1841), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-24 01:35:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2145 transitions. [2024-11-24 01:35:34,755 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2145 transitions. Word has length 302 [2024-11-24 01:35:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:34,756 INFO L471 AbstractCegarLoop]: Abstraction has 1860 states and 2145 transitions. [2024-11-24 01:35:34,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2145 transitions. [2024-11-24 01:35:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-24 01:35:34,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:34,758 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:34,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (72)] Ended with exit code 0 [2024-11-24 01:35:34,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:34,959 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:34,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:34,959 INFO L85 PathProgramCache]: Analyzing trace with hash 391318587, now seen corresponding path program 1 times [2024-11-24 01:35:34,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:34,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102050684] [2024-11-24 01:35:34,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:34,960 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 [2024-11-24 01:35:34,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:34,962 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:34,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (73)] Waiting until timeout for monitored process [2024-11-24 01:35:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:35,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 01:35:35,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:35,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:35:35,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 36 [2024-11-24 01:35:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2024-11-24 01:35:36,028 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:36,028 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:36,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102050684] [2024-11-24 01:35:36,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102050684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:36,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:36,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:35:36,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051325757] [2024-11-24 01:35:36,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:36,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:35:36,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:36,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:35:36,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:35:36,030 INFO L87 Difference]: Start difference. First operand 1860 states and 2145 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:37,787 INFO L93 Difference]: Finished difference Result 3689 states and 4255 transitions. [2024-11-24 01:35:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:35:37,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 302 [2024-11-24 01:35:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:37,797 INFO L225 Difference]: With dead ends: 3689 [2024-11-24 01:35:37,797 INFO L226 Difference]: Without dead ends: 2236 [2024-11-24 01:35:37,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:35:37,799 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 206 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:37,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 964 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 01:35:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2024-11-24 01:35:38,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 1860. [2024-11-24 01:35:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1636 states have (on average 1.1253056234718826) internal successors, (1841), 1644 states have internal predecessors, (1841), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-24 01:35:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2145 transitions. [2024-11-24 01:35:38,229 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2145 transitions. Word has length 302 [2024-11-24 01:35:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:38,229 INFO L471 AbstractCegarLoop]: Abstraction has 1860 states and 2145 transitions. [2024-11-24 01:35:38,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2145 transitions. [2024-11-24 01:35:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-24 01:35:38,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:38,232 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:38,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (73)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:38,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:38,433 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:38,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:38,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1207904129, now seen corresponding path program 1 times [2024-11-24 01:35:38,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:38,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230932303] [2024-11-24 01:35:38,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:38,434 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 [2024-11-24 01:35:38,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:38,436 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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) [2024-11-24 01:35:38,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (74)] Waiting until timeout for monitored process [2024-11-24 01:35:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:39,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:35:39,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2024-11-24 01:35:39,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:39,611 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:39,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230932303] [2024-11-24 01:35:39,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230932303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:39,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:39,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:35:39,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449589301] [2024-11-24 01:35:39,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:39,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:35:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:39,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:35:39,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:35:39,612 INFO L87 Difference]: Start difference. First operand 1860 states and 2145 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:41,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:41,145 INFO L93 Difference]: Finished difference Result 3582 states and 4109 transitions. [2024-11-24 01:35:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:35:41,146 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 302 [2024-11-24 01:35:41,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:41,153 INFO L225 Difference]: With dead ends: 3582 [2024-11-24 01:35:41,153 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:35:41,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:35:41,156 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 112 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:41,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 978 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:35:41,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:35:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:35:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:35:41,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 302 [2024-11-24 01:35:41,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:41,161 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:35:41,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:35:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:35:41,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:35:41,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:35:41,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 (74)] Forceful destruction successful, exit code 0 [2024-11-24 01:35:41,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9a70f1-f9b1-4697-91d7-f2ebda687d9a/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 [2024-11-24 01:35:41,372 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:41,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.