./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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 acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:11:27,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:11:28,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:11:28,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:11:28,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:11:28,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:11:28,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:11:28,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:11:28,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:11:28,143 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:11:28,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:11:28,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:11:28,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:11:28,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:11:28,144 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:11:28,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:11:28,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:11:28,146 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:11:28,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:11:28,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:11:28,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:11:28,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:11:28,147 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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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 -> acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 [2024-11-24 00:11:28,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:11:28,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:11:28,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:11:28,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:11:28,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:11:28,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-24 00:11:31,347 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/1624b4ae2/fcdba99927f5405d9f7367d5db9fb8a8/FLAGb1ddc2c34 [2024-11-24 00:11:31,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:11:31,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-24 00:11:31,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/1624b4ae2/fcdba99927f5405d9f7367d5db9fb8a8/FLAGb1ddc2c34 [2024-11-24 00:11:31,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/1624b4ae2/fcdba99927f5405d9f7367d5db9fb8a8 [2024-11-24 00:11:31,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:11:31,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:11:31,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:11:31,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:11:31,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:11:31,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:11:31" (1/1) ... [2024-11-24 00:11:31,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e585688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:31, skipping insertion in model container [2024-11-24 00:11:31,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:11:31" (1/1) ... [2024-11-24 00:11:31,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:11:32,117 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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-24 00:11:32,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:11:32,215 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:11:32,226 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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-24 00:11:32,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:11:32,276 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:11:32,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32 WrapperNode [2024-11-24 00:11:32,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:11:32,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:11:32,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:11:32,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:11:32,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,355 INFO L138 Inliner]: procedures = 29, calls = 141, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2024-11-24 00:11:32,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:11:32,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:11:32,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:11:32,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:11:32,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,419 INFO L175 MemorySlicer]: Split 106 memory accesses to 13 slices as follows [2, 6, 14, 10, 14, 16, 10, 6, 7, 3, 10, 3, 5]. 15 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 1]. [2024-11-24 00:11:32,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:11:32,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:11:32,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:11:32,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:11:32,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (1/1) ... [2024-11-24 00:11:32,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:11:32,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:11:32,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:11:32,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 00:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 00:11:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 00:11:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 00:11:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 00:11:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 00:11:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-24 00:11:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:11:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:11:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:11:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:11:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:11:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:11:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:11:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:11:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:11:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:11:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-24 00:11:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 00:11:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-24 00:11:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-24 00:11:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-24 00:11:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:11:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:11:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:11:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:11:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:11:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:11:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:11:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:11:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:11:32,775 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:11:32,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:11:33,331 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-24 00:11:33,332 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:11:33,343 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:11:33,344 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:11:33,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:33 BoogieIcfgContainer [2024-11-24 00:11:33,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:11:33,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:11:33,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:11:33,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:11:33,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:11:31" (1/3) ... [2024-11-24 00:11:33,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3430a582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:11:33, skipping insertion in model container [2024-11-24 00:11:33,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:32" (2/3) ... [2024-11-24 00:11:33,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3430a582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:11:33, skipping insertion in model container [2024-11-24 00:11:33,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:33" (3/3) ... [2024-11-24 00:11:33,374 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-67.i [2024-11-24 00:11:33,390 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:11:33,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-67.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:11:33,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:11:33,463 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;@2b2ac449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:11:33,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:11:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:11:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:11:33,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:33,481 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:33,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:33,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:33,488 INFO L85 PathProgramCache]: Analyzing trace with hash -681937091, now seen corresponding path program 1 times [2024-11-24 00:11:33,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:33,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226618500] [2024-11-24 00:11:33,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:33,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-24 00:11:33,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:33,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226618500] [2024-11-24 00:11:33,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226618500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:11:33,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048205036] [2024-11-24 00:11:33,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:33,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:11:33,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:11:33,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:11:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:11:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:34,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:11:34,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:11:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-24 00:11:34,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:11:34,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048205036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:34,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:11:34,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:11:34,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726263939] [2024-11-24 00:11:34,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:34,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:11:34,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:34,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:11:34,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:11:34,321 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:11:34,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:34,352 INFO L93 Difference]: Finished difference Result 179 states and 272 transitions. [2024-11-24 00:11:34,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:11:34,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2024-11-24 00:11:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:34,360 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:11:34,360 INFO L226 Difference]: Without dead ends: 89 [2024-11-24 00:11:34,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 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 00:11:34,366 INFO L435 NwaCegarLoop]: 126 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, 126 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 00:11:34,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:11:34,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-24 00:11:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-24 00:11:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:11:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-11-24 00:11:34,418 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 104 [2024-11-24 00:11:34,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:34,419 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-11-24 00:11:34,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:11:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-11-24 00:11:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:11:34,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:34,422 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:34,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:11:34,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:11:34,623 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:34,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash 553584785, now seen corresponding path program 1 times [2024-11-24 00:11:34,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:34,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169171397] [2024-11-24 00:11:34,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:34,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:35,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:35,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169171397] [2024-11-24 00:11:35,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169171397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:35,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:35,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:11:35,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193433422] [2024-11-24 00:11:35,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:35,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:11:35,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:35,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:11:35,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:11:35,172 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:35,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:35,239 INFO L93 Difference]: Finished difference Result 178 states and 253 transitions. [2024-11-24 00:11:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:11:35,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-24 00:11:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:35,241 INFO L225 Difference]: With dead ends: 178 [2024-11-24 00:11:35,241 INFO L226 Difference]: Without dead ends: 92 [2024-11-24 00:11:35,242 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 00:11:35,243 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 358 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 00:11:35,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 358 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:11:35,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-24 00:11:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2024-11-24 00:11:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:11:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2024-11-24 00:11:35,275 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 104 [2024-11-24 00:11:35,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:35,277 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2024-11-24 00:11:35,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2024-11-24 00:11:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:11:35,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:35,281 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:35,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:11:35,281 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:35,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:35,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1233643155, now seen corresponding path program 1 times [2024-11-24 00:11:35,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:35,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228286366] [2024-11-24 00:11:35,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:35,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:35,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:35,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228286366] [2024-11-24 00:11:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228286366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:35,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:11:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783286399] [2024-11-24 00:11:35,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:35,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:11:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:35,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:11:35,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:11:35,664 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:35,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:35,711 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-11-24 00:11:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:11:35,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-24 00:11:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:35,715 INFO L225 Difference]: With dead ends: 182 [2024-11-24 00:11:35,717 INFO L226 Difference]: Without dead ends: 94 [2024-11-24 00:11:35,718 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 00:11:35,719 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 359 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 00:11:35,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:11:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-24 00:11:35,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-11-24 00:11:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:11:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2024-11-24 00:11:35,741 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 104 [2024-11-24 00:11:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:35,742 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2024-11-24 00:11:35,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-11-24 00:11:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:11:35,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:35,744 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:35,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:11:35,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:35,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:35,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1286316779, now seen corresponding path program 1 times [2024-11-24 00:11:35,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:35,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374043769] [2024-11-24 00:11:35,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:36,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:36,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374043769] [2024-11-24 00:11:36,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374043769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:36,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:36,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:11:36,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591492967] [2024-11-24 00:11:36,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:36,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:11:36,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:36,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:11:36,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:11:36,014 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:36,054 INFO L93 Difference]: Finished difference Result 186 states and 261 transitions. [2024-11-24 00:11:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:11:36,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-24 00:11:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:36,059 INFO L225 Difference]: With dead ends: 186 [2024-11-24 00:11:36,059 INFO L226 Difference]: Without dead ends: 96 [2024-11-24 00:11:36,060 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 00:11:36,061 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 361 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 00:11:36,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 361 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:11:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-24 00:11:36,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-24 00:11:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.3333333333333333) internal successors, (108), 81 states have internal predecessors, (108), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:11:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2024-11-24 00:11:36,078 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 104 [2024-11-24 00:11:36,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:36,079 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2024-11-24 00:11:36,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-11-24 00:11:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:11:36,084 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:36,084 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:36,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:11:36,085 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:36,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1284469737, now seen corresponding path program 1 times [2024-11-24 00:11:36,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:36,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787317322] [2024-11-24 00:11:36,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:36,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:42,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:42,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787317322] [2024-11-24 00:11:42,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787317322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:42,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:42,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 00:11:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609089285] [2024-11-24 00:11:42,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:42,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:11:42,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:42,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:11:42,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:11:42,213 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:11:44,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:44,729 INFO L93 Difference]: Finished difference Result 306 states and 424 transitions. [2024-11-24 00:11:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:11:44,730 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2024-11-24 00:11:44,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:44,734 INFO L225 Difference]: With dead ends: 306 [2024-11-24 00:11:44,734 INFO L226 Difference]: Without dead ends: 214 [2024-11-24 00:11:44,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:11:44,740 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 493 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:44,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 838 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:11:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-24 00:11:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 170. [2024-11-24 00:11:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 153 states have (on average 1.3660130718954249) internal successors, (209), 154 states have internal predecessors, (209), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:11:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2024-11-24 00:11:44,772 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 104 [2024-11-24 00:11:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:44,772 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2024-11-24 00:11:44,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:11:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2024-11-24 00:11:44,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:11:44,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:44,775 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:44,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:11:44,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:44,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1205059225, now seen corresponding path program 1 times [2024-11-24 00:11:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:44,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367368037] [2024-11-24 00:11:44,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:44,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367368037] [2024-11-24 00:11:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367368037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:44,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:44,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:11:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086554971] [2024-11-24 00:11:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:44,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:11:44,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:44,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:11:44,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:11:44,891 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:44,940 INFO L93 Difference]: Finished difference Result 413 states and 571 transitions. [2024-11-24 00:11:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:11:44,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-24 00:11:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:44,944 INFO L225 Difference]: With dead ends: 413 [2024-11-24 00:11:44,944 INFO L226 Difference]: Without dead ends: 246 [2024-11-24 00:11:44,945 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 00:11:44,946 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 61 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:44,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 313 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:11:44,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-24 00:11:44,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 168. [2024-11-24 00:11:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 152 states have internal predecessors, (205), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:11:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 233 transitions. [2024-11-24 00:11:44,970 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 233 transitions. Word has length 104 [2024-11-24 00:11:44,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:44,971 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 233 transitions. [2024-11-24 00:11:44,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2024-11-24 00:11:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 00:11:44,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:44,972 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:44,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:11:44,973 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:44,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash 102314982, now seen corresponding path program 1 times [2024-11-24 00:11:44,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:44,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784327754] [2024-11-24 00:11:44,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:45,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:45,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784327754] [2024-11-24 00:11:45,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784327754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:45,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:45,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:11:45,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653330026] [2024-11-24 00:11:45,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:45,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:11:45,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:45,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:11:45,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:11:45,943 INFO L87 Difference]: Start difference. First operand 168 states and 233 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-24 00:11:46,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:46,351 INFO L93 Difference]: Finished difference Result 416 states and 573 transitions. [2024-11-24 00:11:46,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:11:46,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 108 [2024-11-24 00:11:46,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:46,354 INFO L225 Difference]: With dead ends: 416 [2024-11-24 00:11:46,355 INFO L226 Difference]: Without dead ends: 251 [2024-11-24 00:11:46,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:11:46,356 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 363 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:46,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 664 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:11:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-24 00:11:46,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 248. [2024-11-24 00:11:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 225 states have (on average 1.3466666666666667) internal successors, (303), 227 states have internal predecessors, (303), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:11:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 339 transitions. [2024-11-24 00:11:46,402 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 339 transitions. Word has length 108 [2024-11-24 00:11:46,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:46,403 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 339 transitions. [2024-11-24 00:11:46,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-24 00:11:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 339 transitions. [2024-11-24 00:11:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:11:46,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:46,406 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:46,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:11:46,406 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:46,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:46,407 INFO L85 PathProgramCache]: Analyzing trace with hash -738292373, now seen corresponding path program 1 times [2024-11-24 00:11:46,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:46,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567426574] [2024-11-24 00:11:46,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:46,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:46,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567426574] [2024-11-24 00:11:46,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567426574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:46,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:46,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:11:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665064044] [2024-11-24 00:11:46,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:46,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:11:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:46,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:11:46,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:11:46,759 INFO L87 Difference]: Start difference. First operand 248 states and 339 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:47,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:47,058 INFO L93 Difference]: Finished difference Result 561 states and 770 transitions. [2024-11-24 00:11:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:11:47,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:11:47,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:47,061 INFO L225 Difference]: With dead ends: 561 [2024-11-24 00:11:47,061 INFO L226 Difference]: Without dead ends: 316 [2024-11-24 00:11:47,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:11:47,062 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 64 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:47,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1011 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:11:47,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-24 00:11:47,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 278. [2024-11-24 00:11:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 255 states have (on average 1.3647058823529412) internal successors, (348), 257 states have internal predecessors, (348), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:11:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 384 transitions. [2024-11-24 00:11:47,088 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 384 transitions. Word has length 110 [2024-11-24 00:11:47,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:47,089 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 384 transitions. [2024-11-24 00:11:47,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 384 transitions. [2024-11-24 00:11:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:11:47,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:47,091 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:47,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:11:47,091 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:47,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:47,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1287339029, now seen corresponding path program 1 times [2024-11-24 00:11:47,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:47,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222311406] [2024-11-24 00:11:47,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:47,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:47,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222311406] [2024-11-24 00:11:47,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222311406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:47,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:47,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:11:47,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903099791] [2024-11-24 00:11:47,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:47,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:11:47,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:47,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:11:47,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:11:47,395 INFO L87 Difference]: Start difference. First operand 278 states and 384 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:47,623 INFO L93 Difference]: Finished difference Result 593 states and 818 transitions. [2024-11-24 00:11:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:11:47,623 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:11:47,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:47,625 INFO L225 Difference]: With dead ends: 593 [2024-11-24 00:11:47,626 INFO L226 Difference]: Without dead ends: 318 [2024-11-24 00:11:47,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:11:47,627 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 54 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:47,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 777 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:11:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-24 00:11:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2024-11-24 00:11:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 264 states have (on average 1.3636363636363635) internal successors, (360), 266 states have internal predecessors, (360), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:11:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 396 transitions. [2024-11-24 00:11:47,652 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 396 transitions. Word has length 110 [2024-11-24 00:11:47,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:47,653 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 396 transitions. [2024-11-24 00:11:47,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 396 transitions. [2024-11-24 00:11:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:11:47,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:47,655 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:47,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:11:47,655 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:47,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1972765401, now seen corresponding path program 1 times [2024-11-24 00:11:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:47,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261988458] [2024-11-24 00:11:47,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:47,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:47,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261988458] [2024-11-24 00:11:47,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261988458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:47,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:47,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:11:47,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228671707] [2024-11-24 00:11:47,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:47,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:11:47,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:47,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:11:47,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:11:47,900 INFO L87 Difference]: Start difference. First operand 287 states and 396 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:48,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:48,046 INFO L93 Difference]: Finished difference Result 654 states and 894 transitions. [2024-11-24 00:11:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:11:48,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-24 00:11:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:48,049 INFO L225 Difference]: With dead ends: 654 [2024-11-24 00:11:48,050 INFO L226 Difference]: Without dead ends: 370 [2024-11-24 00:11:48,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 00:11:48,051 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 68 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:48,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 610 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:11:48,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-24 00:11:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 287. [2024-11-24 00:11:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 264 states have (on average 1.356060606060606) internal successors, (358), 266 states have internal predecessors, (358), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:11:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 394 transitions. [2024-11-24 00:11:48,080 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 394 transitions. Word has length 111 [2024-11-24 00:11:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:48,081 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 394 transitions. [2024-11-24 00:11:48,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 394 transitions. [2024-11-24 00:11:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:11:48,083 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:48,083 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:48,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:11:48,083 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:48,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:48,084 INFO L85 PathProgramCache]: Analyzing trace with hash 278360998, now seen corresponding path program 1 times [2024-11-24 00:11:48,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:48,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929449125] [2024-11-24 00:11:48,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:48,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:11:48,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:11:48,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929449125] [2024-11-24 00:11:48,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929449125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:11:48,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:11:48,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:11:48,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441388661] [2024-11-24 00:11:48,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:11:48,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:11:48,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:11:48,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:11:48,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:11:48,288 INFO L87 Difference]: Start difference. First operand 287 states and 394 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:11:48,431 INFO L93 Difference]: Finished difference Result 653 states and 887 transitions. [2024-11-24 00:11:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:11:48,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-24 00:11:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:11:48,435 INFO L225 Difference]: With dead ends: 653 [2024-11-24 00:11:48,436 INFO L226 Difference]: Without dead ends: 369 [2024-11-24 00:11:48,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 00:11:48,438 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 65 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:11:48,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 522 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:11:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-24 00:11:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 248. [2024-11-24 00:11:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 227 states have (on average 1.3612334801762114) internal successors, (309), 228 states have internal predecessors, (309), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:11:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 341 transitions. [2024-11-24 00:11:48,484 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 341 transitions. Word has length 111 [2024-11-24 00:11:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:11:48,485 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 341 transitions. [2024-11-24 00:11:48,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:11:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 341 transitions. [2024-11-24 00:11:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-24 00:11:48,487 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:48,488 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:48,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:11:48,489 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:48,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash 664402794, now seen corresponding path program 1 times [2024-11-24 00:11:48,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:11:48,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141056221] [2024-11-24 00:11:48,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:48,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:11:48,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777763900] [2024-11-24 00:11:48,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:48,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:11:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:11:48,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:11:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:11:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:11:49,577 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:11:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:11:50,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:11:50,014 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:11:50,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:11:50,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:11:50,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:11:50,220 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:50,431 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:11:50,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:11:50 BoogieIcfgContainer [2024-11-24 00:11:50,434 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:11:50,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:11:50,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:11:50,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:11:50,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:33" (3/4) ... [2024-11-24 00:11:50,441 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:11:50,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:11:50,443 INFO L158 Benchmark]: Toolchain (without parser) took 18526.99ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 94.9MB in the beginning and 159.9MB in the end (delta: -65.0MB). Peak memory consumption was 247.4MB. Max. memory is 16.1GB. [2024-11-24 00:11:50,443 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:11:50,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.46ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 80.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:11:50,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.67ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:11:50,444 INFO L158 Benchmark]: Boogie Preprocessor took 104.44ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 73.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:11:50,445 INFO L158 Benchmark]: RCFGBuilder took 883.16ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 38.9MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:11:50,445 INFO L158 Benchmark]: TraceAbstraction took 17086.97ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 38.4MB in the beginning and 159.9MB in the end (delta: -121.6MB). Peak memory consumption was 188.7MB. Max. memory is 16.1GB. [2024-11-24 00:11:50,446 INFO L158 Benchmark]: Witness Printer took 7.79ms. Allocated memory is still 427.8MB. Free memory was 159.9MB in the beginning and 159.9MB in the end (delta: 56.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:11:50,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.46ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 80.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.67ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.44ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 73.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.16ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 38.9MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17086.97ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 38.4MB in the beginning and 159.9MB in the end (delta: -121.6MB). Peak memory consumption was 188.7MB. Max. memory is 16.1GB. * Witness Printer took 7.79ms. Allocated memory is still 427.8MB. Free memory was 159.9MB in the beginning and 159.9MB in the end (delta: 56.6kB). Peak memory consumption was 8.4MB. 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 shiftRight at line 56, overapproximation of shiftRight at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L22] signed short int var_1_1 = 2; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_4 = -64; [L24] signed short int var_1_4 = -64; [L25] signed short int* var_1_4_Pointer = &(var_1_4); [L26] signed short int var_1_5 = 256; [L26] signed short int var_1_5 = 256; [L27] signed short int* var_1_5_Pointer = &(var_1_5); [L28] unsigned short int var_1_6 = 128; [L28] unsigned short int var_1_6 = 128; [L29] unsigned short int* var_1_6_Pointer = &(var_1_6); [L30] unsigned short int var_1_7 = 256; [L30] unsigned short int var_1_7 = 256; [L31] unsigned short int* var_1_7_Pointer = &(var_1_7); [L32] signed long int var_1_8 = 50; [L32] signed long int var_1_8 = 50; [L33] signed long int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 0; [L34] unsigned char var_1_9 = 0; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] signed long int var_1_10 = -4; [L36] signed long int var_1_10 = -4; [L37] signed long int* var_1_10_Pointer = &(var_1_10); [L38] float var_1_11 = 15.125; [L38] float var_1_11 = 15.125; [L39] float* var_1_11_Pointer = &(var_1_11); [L40] float var_1_12 = 0.9; [L40] float var_1_12 = 0.9; [L41] float* var_1_12_Pointer = &(var_1_12); [L42] double var_1_13 = 25.875; [L42] double var_1_13 = 25.875; [L43] double* var_1_13_Pointer = &(var_1_13); [L44] unsigned short int var_1_14 = 50; [L44] unsigned short int var_1_14 = 50; [L45] unsigned short int* var_1_14_Pointer = &(var_1_14); [L46] signed short int last_1_var_1_1 = 2; [L47] unsigned short int last_1_var_1_6 = 128; [L48] signed long int last_1_var_1_8 = 50; VAL [isInitial=0, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L101] EXPR \read(var_1_1) [L101] last_1_var_1_1 = var_1_1 [L102] EXPR \read(var_1_6) [L102] last_1_var_1_6 = var_1_6 [L103] EXPR \read(var_1_8) [L103] last_1_var_1_8 = var_1_8 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L81] var_1_4 = __VERIFIER_nondet_short() [L82] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] var_1_5 = __VERIFIER_nondet_short() [L85] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] var_1_7 = __VERIFIER_nondet_ushort() [L88] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] var_1_10 = __VERIFIER_nondet_long() [L94] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] var_1_12 = __VERIFIER_nondet_float() [L98] EXPR \read(var_1_12) [L98] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L98] EXPR \read(var_1_12) [L98] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L114] RET updateVariables() [L115] CALL step() [L52] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L53] EXPR \read(*var_1_4_Pointer) [L53] EXPR \read(*var_1_5_Pointer) [L53] (*(var_1_1_Pointer)) = ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))) [L55] EXPR \read(*var_1_4_Pointer) [L55] signed long int stepLocal_0 = 1 * (*(var_1_4_Pointer)); [L56] EXPR \read(*var_1_1_Pointer) [L56] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L56] EXPR (*(var_1_1_Pointer)) >> (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L56] COND TRUE ((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > stepLocal_0 [L57] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L57] EXPR (((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0) [L57] EXPR \read(*var_1_7_Pointer) [L57] EXPR (((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L57] (*(var_1_6_Pointer)) = (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))) [L61] EXPR \read(*var_1_12_Pointer) [L61] (*(var_1_11_Pointer)) = (*(var_1_12_Pointer)) [L62] EXPR \read(*var_1_12_Pointer) [L62] (*(var_1_13_Pointer)) = (*(var_1_12_Pointer)) [L63] EXPR \read(*var_1_7_Pointer) [L63] (*(var_1_14_Pointer)) = (*(var_1_7_Pointer)) [L64] EXPR \read(*var_1_4_Pointer) [L64] EXPR \read(*var_1_10_Pointer) [L64] signed long int stepLocal_2 = (*(var_1_4_Pointer)) / (*(var_1_10_Pointer)); [L65] EXPR \read(*var_1_7_Pointer) [L65] unsigned short int stepLocal_1 = (*(var_1_7_Pointer)); [L66] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L66] COND FALSE !((*(var_1_9_Pointer))) [L69] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L69] COND FALSE !((*(var_1_14_Pointer)) > stepLocal_2) [L76] EXPR \read(*var_1_6_Pointer) [L76] EXPR \read(*var_1_5_Pointer) [L76] (*(var_1_8_Pointer)) = ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR (! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1 [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_4_Pointer) [L106] EXPR \read(*var_1_5_Pointer) [L106] EXPR (! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer))))) [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (*(var_1_1_Pointer)) >> (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) [L106] EXPR \read(*var_1_6_Pointer) [L106] EXPR \read(*var_1_7_Pointer) [L106] EXPR (((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer))))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer))))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106-L107] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.8s, OverallIterations: 12, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1171 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1171 mSDsluCounter, 5939 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4375 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1169 IncrementalHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 1564 mSDtfsCounter, 1169 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 401 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 1502 NumberOfCodeBlocks, 1502 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1266 ConstructedInterpolants, 0 QuantifiedInterpolants, 6360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 3146/3168 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 00:11:50,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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 acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:11:53,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:11:53,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:11:53,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:11:53,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:11:53,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:11:53,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:11:53,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:11:53,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:11:53,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:11:53,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:11:53,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:11:53,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:11:53,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:11:53,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:11:53,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:11:53,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:11:53,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:11:53,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:11:53,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:11:53,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:11:53,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:11:53,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:11:53,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:11:53,458 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:11:53,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:11:53,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:11:53,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:11:53,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:11:53,459 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:11:53,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:11:53,460 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:11:53,460 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:11:53,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:11:53,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:11:53,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:11:53,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:11:53,460 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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/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 -> acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 [2024-11-24 00:11:53,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:11:53,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:11:53,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:11:53,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:11:53,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:11:53,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-24 00:11:56,896 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/e1981ead0/e0d27575f8a64a94bf202b4357f5b43e/FLAGd3d7bfa34 [2024-11-24 00:11:57,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:11:57,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-24 00:11:57,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/e1981ead0/e0d27575f8a64a94bf202b4357f5b43e/FLAGd3d7bfa34 [2024-11-24 00:11:57,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/data/e1981ead0/e0d27575f8a64a94bf202b4357f5b43e [2024-11-24 00:11:57,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:11:57,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:11:57,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:11:57,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:11:57,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:11:57,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701437e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57, skipping insertion in model container [2024-11-24 00:11:57,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:11:57,671 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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-24 00:11:57,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:11:57,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:11:57,799 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_be238027-1bdc-48aa-bbd1-c3219dd70bc0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-24 00:11:57,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:11:57,853 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:11:57,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57 WrapperNode [2024-11-24 00:11:57,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:11:57,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:11:57,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:11:57,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:11:57,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,920 INFO L138 Inliner]: procedures = 39, calls = 141, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2024-11-24 00:11:57,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:11:57,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:11:57,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:11:57,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:11:57,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,938 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,969 INFO L175 MemorySlicer]: Split 106 memory accesses to 13 slices as follows [2, 6, 14, 10, 14, 16, 10, 6, 7, 3, 10, 3, 5]. 15 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 1]. [2024-11-24 00:11:57,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:58,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:58,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:58,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:58,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:58,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:11:58,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:11:58,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:11:58,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:11:58,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:58,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:11:58,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:11:58,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:11:58,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:11:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:11:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-24 00:11:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-24 00:11:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-24 00:11:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-24 00:11:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-24 00:11:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-24 00:11:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-24 00:11:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-24 00:11:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-24 00:11:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-24 00:11:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-24 00:11:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-24 00:11:58,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-24 00:11:58,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-24 00:11:58,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 00:11:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 00:11:58,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-24 00:11:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-24 00:11:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 00:11:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 00:11:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 00:11:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 00:11:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-24 00:11:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-24 00:11:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-24 00:11:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-24 00:11:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:11:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:11:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 00:11:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 00:11:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 00:11:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 00:11:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-24 00:11:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-24 00:11:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-24 00:11:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-24 00:11:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-24 00:11:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-24 00:11:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:11:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:11:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:11:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 00:11:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 00:11:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-24 00:11:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-24 00:11:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-24 00:11:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-24 00:11:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-24 00:11:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-24 00:11:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-24 00:11:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:11:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:11:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 00:11:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 00:11:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-24 00:11:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-24 00:11:58,473 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:11:58,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:11:59,468 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-24 00:11:59,468 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:11:59,482 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:11:59,482 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:11:59,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:59 BoogieIcfgContainer [2024-11-24 00:11:59,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:11:59,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:11:59,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:11:59,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:11:59,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:11:57" (1/3) ... [2024-11-24 00:11:59,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c91f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:11:59, skipping insertion in model container [2024-11-24 00:11:59,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57" (2/3) ... [2024-11-24 00:11:59,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c91f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:11:59, skipping insertion in model container [2024-11-24 00:11:59,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:59" (3/3) ... [2024-11-24 00:11:59,511 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-67.i [2024-11-24 00:11:59,527 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:11:59,529 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-67.i that has 2 procedures, 88 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:11:59,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:11:59,616 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;@53420c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:11:59,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:11:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:11:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:11:59,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:11:59,633 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:59,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:11:59,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:59,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1790845596, now seen corresponding path program 1 times [2024-11-24 00:11:59,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:11:59,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635565503] [2024-11-24 00:11:59,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:59,661 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 00:11:59,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:11:59,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:11:59,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:00,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:12:00,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 00:12:00,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:12:00,317 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:00,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635565503] [2024-11-24 00:12:00,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635565503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:12:00,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:12:00,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:12:00,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219898271] [2024-11-24 00:12:00,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:00,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:12:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:00,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:12:00,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:12:00,349 INFO L87 Difference]: Start difference. First operand has 88 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:12:00,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:00,382 INFO L93 Difference]: Finished difference Result 169 states and 258 transitions. [2024-11-24 00:12:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:12:00,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2024-11-24 00:12:00,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:00,392 INFO L225 Difference]: With dead ends: 169 [2024-11-24 00:12:00,393 INFO L226 Difference]: Without dead ends: 84 [2024-11-24 00:12:00,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 00:12:00,404 INFO L435 NwaCegarLoop]: 119 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, 119 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 00:12:00,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:12:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-24 00:12:00,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-24 00:12:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:12:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2024-11-24 00:12:00,462 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 103 [2024-11-24 00:12:00,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:00,463 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2024-11-24 00:12:00,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:12:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2024-11-24 00:12:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:12:00,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:00,467 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:00,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:00,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:00,668 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:00,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2128335248, now seen corresponding path program 1 times [2024-11-24 00:12:00,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:00,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362441838] [2024-11-24 00:12:00,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:00,671 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 00:12:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:00,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:00,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:01,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:12:01,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:01,337 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:12:01,338 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:01,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362441838] [2024-11-24 00:12:01,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362441838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:12:01,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:12:01,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:12:01,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119740370] [2024-11-24 00:12:01,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:01,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:12:01,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:01,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:12:01,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:12:01,342 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:01,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:01,451 INFO L93 Difference]: Finished difference Result 170 states and 242 transitions. [2024-11-24 00:12:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:12:01,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-24 00:12:01,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:01,456 INFO L225 Difference]: With dead ends: 170 [2024-11-24 00:12:01,456 INFO L226 Difference]: Without dead ends: 89 [2024-11-24 00:12:01,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 00:12:01,458 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:01,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 440 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:12:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-24 00:12:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2024-11-24 00:12:01,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.337837837837838) internal successors, (99), 74 states have internal predecessors, (99), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:12:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 123 transitions. [2024-11-24 00:12:01,480 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 123 transitions. Word has length 103 [2024-11-24 00:12:01,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:01,484 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 123 transitions. [2024-11-24 00:12:01,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2024-11-24 00:12:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:12:01,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:01,489 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:01,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:12:01,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:01,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:01,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:01,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1486573678, now seen corresponding path program 1 times [2024-11-24 00:12:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:01,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671509868] [2024-11-24 00:12:01,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:01,694 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 00:12:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:01,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:01,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:02,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:12:02,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:02,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:12:02,384 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:02,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671509868] [2024-11-24 00:12:02,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671509868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:12:02,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:12:02,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:12:02,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924646448] [2024-11-24 00:12:02,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:02,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:12:02,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:02,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:12:02,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:12:02,389 INFO L87 Difference]: Start difference. First operand 88 states and 123 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:02,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:02,628 INFO L93 Difference]: Finished difference Result 176 states and 247 transitions. [2024-11-24 00:12:02,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:12:02,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-24 00:12:02,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:02,631 INFO L225 Difference]: With dead ends: 176 [2024-11-24 00:12:02,633 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 00:12:02,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 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 00:12:02,635 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:02,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 540 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:12:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 00:12:02,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2024-11-24 00:12:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 76 states have internal predecessors, (101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:12:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 125 transitions. [2024-11-24 00:12:02,654 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 125 transitions. Word has length 103 [2024-11-24 00:12:02,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:02,655 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 125 transitions. [2024-11-24 00:12:02,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-11-24 00:12:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:12:02,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:02,658 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:02,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 00:12:02,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:02,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:02,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:02,863 INFO L85 PathProgramCache]: Analyzing trace with hash 288433684, now seen corresponding path program 1 times [2024-11-24 00:12:02,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:02,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501052065] [2024-11-24 00:12:02,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:02,864 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 00:12:02,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:02,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:02,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:03,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:12:03,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:03,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:12:03,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:03,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501052065] [2024-11-24 00:12:03,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501052065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:12:03,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:12:03,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:12:03,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826944581] [2024-11-24 00:12:03,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:03,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:12:03,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:03,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:12:03,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:12:03,425 INFO L87 Difference]: Start difference. First operand 90 states and 125 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:03,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:03,639 INFO L93 Difference]: Finished difference Result 180 states and 251 transitions. [2024-11-24 00:12:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:12:03,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-24 00:12:03,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:03,641 INFO L225 Difference]: With dead ends: 180 [2024-11-24 00:12:03,641 INFO L226 Difference]: Without dead ends: 93 [2024-11-24 00:12:03,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:12:03,642 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:03,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 641 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:12:03,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-24 00:12:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-24 00:12:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 78 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:12:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 127 transitions. [2024-11-24 00:12:03,651 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 127 transitions. Word has length 103 [2024-11-24 00:12:03,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:03,651 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 127 transitions. [2024-11-24 00:12:03,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2024-11-24 00:12:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:12:03,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:03,653 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:03,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:03,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:03,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:03,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:03,855 INFO L85 PathProgramCache]: Analyzing trace with hash 290280726, now seen corresponding path program 1 times [2024-11-24 00:12:03,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:03,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719569209] [2024-11-24 00:12:03,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:03,855 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 00:12:03,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:03,859 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:03,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:04,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 00:12:04,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:07,479 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 27 treesize of output 23 [2024-11-24 00:12:08,340 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 102 treesize of output 82 [2024-11-24 00:12:08,350 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 109 treesize of output 85 [2024-11-24 00:12:08,359 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 75 treesize of output 59 [2024-11-24 00:12:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 140 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:12:08,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:09,315 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:09,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719569209] [2024-11-24 00:12:09,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719569209] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:09,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:12:09,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [25] total 30 [2024-11-24 00:12:09,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438252351] [2024-11-24 00:12:09,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:09,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:12:09,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:09,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:12:09,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2024-11-24 00:12:09,318 INFO L87 Difference]: Start difference. First operand 92 states and 127 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:10,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:10,019 INFO L93 Difference]: Finished difference Result 237 states and 328 transitions. [2024-11-24 00:12:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:12:10,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-24 00:12:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:10,025 INFO L225 Difference]: With dead ends: 237 [2024-11-24 00:12:10,026 INFO L226 Difference]: Without dead ends: 148 [2024-11-24 00:12:10,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=113, Invalid=879, Unknown=0, NotChecked=0, Total=992 [2024-11-24 00:12:10,028 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 62 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:10,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 639 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:12:10,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-24 00:12:10,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 108. [2024-11-24 00:12:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:12:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 151 transitions. [2024-11-24 00:12:10,045 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 151 transitions. Word has length 103 [2024-11-24 00:12:10,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:10,045 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 151 transitions. [2024-11-24 00:12:10,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 151 transitions. [2024-11-24 00:12:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:12:10,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:10,047 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:10,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:10,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:10,251 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:10,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash 509135444, now seen corresponding path program 1 times [2024-11-24 00:12:10,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:10,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928622864] [2024-11-24 00:12:10,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:10,253 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 00:12:10,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:10,255 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:10,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:10,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:12:10,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:10,722 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 00:12:10,731 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 00:12:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:11,416 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:12:11,416 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:11,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928622864] [2024-11-24 00:12:11,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928622864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:12:11,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:12:11,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:12:11,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448686777] [2024-11-24 00:12:11,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:11,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:12:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:11,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:12:11,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:12:11,419 INFO L87 Difference]: Start difference. First operand 108 states and 151 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:11,710 INFO L93 Difference]: Finished difference Result 301 states and 421 transitions. [2024-11-24 00:12:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:12:11,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-24 00:12:11,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:11,713 INFO L225 Difference]: With dead ends: 301 [2024-11-24 00:12:11,713 INFO L226 Difference]: Without dead ends: 196 [2024-11-24 00:12:11,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 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 00:12:11,717 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 96 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:11,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 326 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:12:11,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-24 00:12:11,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2024-11-24 00:12:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 132 states have (on average 1.3257575757575757) internal successors, (175), 132 states have internal predecessors, (175), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:12:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 223 transitions. [2024-11-24 00:12:11,754 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 223 transitions. Word has length 103 [2024-11-24 00:12:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:11,755 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 223 transitions. [2024-11-24 00:12:11,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 223 transitions. [2024-11-24 00:12:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-24 00:12:11,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:11,761 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:11,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-24 00:12:11,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:11,962 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:11,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1527356088, now seen corresponding path program 1 times [2024-11-24 00:12:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:11,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258783739] [2024-11-24 00:12:11,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:11,963 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 00:12:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:11,965 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:11,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:12,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:12:12,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:13,006 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 17 treesize of output 13 [2024-11-24 00:12:13,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-24 00:12:13,150 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 54 treesize of output 34 [2024-11-24 00:12:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:12:13,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:13,492 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:13,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258783739] [2024-11-24 00:12:13,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258783739] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:13,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:12:13,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-24 00:12:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379227140] [2024-11-24 00:12:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:13,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:12:13,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:13,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:12:13,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:12:13,495 INFO L87 Difference]: Start difference. First operand 159 states and 223 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:14,198 INFO L93 Difference]: Finished difference Result 351 states and 491 transitions. [2024-11-24 00:12:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:12:14,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-24 00:12:14,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:14,201 INFO L225 Difference]: With dead ends: 351 [2024-11-24 00:12:14,201 INFO L226 Difference]: Without dead ends: 246 [2024-11-24 00:12:14,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:12:14,206 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 70 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:14,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 544 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:12:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-24 00:12:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243. [2024-11-24 00:12:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 211 states have (on average 1.3459715639810426) internal successors, (284), 212 states have internal predecessors, (284), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:12:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 340 transitions. [2024-11-24 00:12:14,228 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 340 transitions. Word has length 105 [2024-11-24 00:12:14,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:14,228 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 340 transitions. [2024-11-24 00:12:14,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 340 transitions. [2024-11-24 00:12:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-24 00:12:14,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:14,230 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:14,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:14,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:14,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:14,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:14,435 INFO L85 PathProgramCache]: Analyzing trace with hash 261825261, now seen corresponding path program 1 times [2024-11-24 00:12:14,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:14,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26258108] [2024-11-24 00:12:14,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:14,435 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 00:12:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:14,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:14,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:14,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 00:12:14,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:16,426 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 25 [2024-11-24 00:12:16,436 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 00:12:16,443 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 43 treesize of output 27 [2024-11-24 00:12:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:12:17,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:18,322 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26258108] [2024-11-24 00:12:18,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26258108] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:18,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:12:18,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-24 00:12:18,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12633098] [2024-11-24 00:12:18,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:18,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:12:18,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:18,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:12:18,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:12:18,324 INFO L87 Difference]: Start difference. First operand 243 states and 340 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:18,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:18,960 INFO L93 Difference]: Finished difference Result 419 states and 584 transitions. [2024-11-24 00:12:18,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:12:18,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-24 00:12:18,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:18,966 INFO L225 Difference]: With dead ends: 419 [2024-11-24 00:12:18,966 INFO L226 Difference]: Without dead ends: 240 [2024-11-24 00:12:18,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:12:18,967 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 98 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:18,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 329 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:12:18,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-24 00:12:18,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2024-11-24 00:12:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 206 states have (on average 1.3398058252427185) internal successors, (276), 207 states have internal predecessors, (276), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:12:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 332 transitions. [2024-11-24 00:12:18,994 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 332 transitions. Word has length 107 [2024-11-24 00:12:18,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:18,995 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 332 transitions. [2024-11-24 00:12:18,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 332 transitions. [2024-11-24 00:12:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-24 00:12:18,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:18,997 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:19,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:12:19,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:19,198 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:19,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:19,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1387733651, now seen corresponding path program 1 times [2024-11-24 00:12:19,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:19,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050510526] [2024-11-24 00:12:19,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:19,199 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 00:12:19,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:19,201 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:19,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:19,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 00:12:19,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:22,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-11-24 00:12:22,253 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 58 treesize of output 42 [2024-11-24 00:12:22,263 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 59 treesize of output 39 [2024-11-24 00:12:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 143 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:12:23,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:24,551 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:24,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050510526] [2024-11-24 00:12:24,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050510526] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:24,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:12:24,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 27 [2024-11-24 00:12:24,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049300840] [2024-11-24 00:12:24,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:24,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:12:24,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:24,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:12:24,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2024-11-24 00:12:24,553 INFO L87 Difference]: Start difference. First operand 238 states and 332 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:25,809 INFO L93 Difference]: Finished difference Result 445 states and 617 transitions. [2024-11-24 00:12:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:12:25,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-24 00:12:25,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:25,814 INFO L225 Difference]: With dead ends: 445 [2024-11-24 00:12:25,814 INFO L226 Difference]: Without dead ends: 271 [2024-11-24 00:12:25,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=127, Invalid=803, Unknown=0, NotChecked=0, Total=930 [2024-11-24 00:12:25,818 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 137 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:25,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 734 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:12:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-24 00:12:25,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 241. [2024-11-24 00:12:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 209 states have (on average 1.3349282296650717) internal successors, (279), 210 states have internal predecessors, (279), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:12:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 335 transitions. [2024-11-24 00:12:25,845 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 335 transitions. Word has length 107 [2024-11-24 00:12:25,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:25,846 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 335 transitions. [2024-11-24 00:12:25,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2024-11-24 00:12:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:12:25,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:25,848 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:25,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:12:26,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:26,049 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:26,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash 472010962, now seen corresponding path program 1 times [2024-11-24 00:12:26,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:26,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264759060] [2024-11-24 00:12:26,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:26,050 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 00:12:26,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:26,051 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:26,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:26,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 00:12:26,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:26,711 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 17 treesize of output 13 [2024-11-24 00:12:26,745 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 17 treesize of output 13 [2024-11-24 00:12:26,877 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 54 treesize of output 42 [2024-11-24 00:12:27,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-11-24 00:12:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:12:27,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:27,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:27,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264759060] [2024-11-24 00:12:27,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [264759060] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:27,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:12:27,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 19 [2024-11-24 00:12:27,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439520033] [2024-11-24 00:12:27,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:27,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:12:27,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:27,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:12:27,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:12:27,746 INFO L87 Difference]: Start difference. First operand 241 states and 335 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:28,300 INFO L93 Difference]: Finished difference Result 257 states and 350 transitions. [2024-11-24 00:12:28,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:12:28,300 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:12:28,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:28,303 INFO L225 Difference]: With dead ends: 257 [2024-11-24 00:12:28,303 INFO L226 Difference]: Without dead ends: 255 [2024-11-24 00:12:28,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-11-24 00:12:28,304 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 238 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:28,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 655 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:12:28,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-24 00:12:28,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 211. [2024-11-24 00:12:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 182 states have (on average 1.335164835164835) internal successors, (243), 182 states have internal predecessors, (243), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:12:28,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2024-11-24 00:12:28,323 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 291 transitions. Word has length 109 [2024-11-24 00:12:28,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:28,325 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 291 transitions. [2024-11-24 00:12:28,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 291 transitions. [2024-11-24 00:12:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:12:28,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:28,327 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:28,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:28,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:28,527 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:28,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:28,528 INFO L85 PathProgramCache]: Analyzing trace with hash 473858004, now seen corresponding path program 1 times [2024-11-24 00:12:28,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:28,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895608207] [2024-11-24 00:12:28,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:28,529 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 00:12:28,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:28,531 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:28,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:29,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 00:12:29,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:30,541 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 18 treesize of output 19 [2024-11-24 00:12:35,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:12:35,423 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 156 treesize of output 86 [2024-11-24 00:12:35,429 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 167 treesize of output 107 [2024-11-24 00:12:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:12:35,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:12:47,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:12:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895608207] [2024-11-24 00:12:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895608207] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:47,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:12:47,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 13 [2024-11-24 00:12:47,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129560052] [2024-11-24 00:12:47,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:12:47,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:12:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:12:47,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:12:47,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=128, Unknown=1, NotChecked=0, Total=156 [2024-11-24 00:12:47,997 INFO L87 Difference]: Start difference. First operand 211 states and 291 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:58,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:58,650 INFO L93 Difference]: Finished difference Result 358 states and 492 transitions. [2024-11-24 00:12:58,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:12:58,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:12:58,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:12:58,657 INFO L225 Difference]: With dead ends: 358 [2024-11-24 00:12:58,658 INFO L226 Difference]: Without dead ends: 215 [2024-11-24 00:12:58,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=61, Invalid=244, Unknown=1, NotChecked=0, Total=306 [2024-11-24 00:12:58,659 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 85 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:12:58,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 735 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-24 00:12:58,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-24 00:12:58,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-24 00:12:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 185 states have (on average 1.3243243243243243) internal successors, (245), 185 states have internal predecessors, (245), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:12:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 293 transitions. [2024-11-24 00:12:58,680 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 293 transitions. Word has length 109 [2024-11-24 00:12:58,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:12:58,680 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 293 transitions. [2024-11-24 00:12:58,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:12:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 293 transitions. [2024-11-24 00:12:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:12:58,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:12:58,682 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:58,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:58,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:58,883 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:12:58,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:58,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2046101930, now seen corresponding path program 1 times [2024-11-24 00:12:58,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:12:58,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674224811] [2024-11-24 00:12:58,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:58,884 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 00:12:58,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:12:58,886 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:58,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:12:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:59,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:12:59,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:00,574 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 00:13:00,916 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 125 treesize of output 89 [2024-11-24 00:13:00,921 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 137 treesize of output 77 [2024-11-24 00:13:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:13:01,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:01,321 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:01,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674224811] [2024-11-24 00:13:01,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674224811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:01,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [733546066] [2024-11-24 00:13:01,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:13:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:13:01,332 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:13:01,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 00:13:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:05,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 00:13:05,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:08,787 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 00:13:09,871 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 00:13:10,694 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 125 treesize of output 89 [2024-11-24 00:13:10,700 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 137 treesize of output 77 [2024-11-24 00:13:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:13:10,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:10,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [733546066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:10,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:13:10,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-24 00:13:10,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621304909] [2024-11-24 00:13:10,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:13:10,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:13:10,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:10,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:13:10,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:13:10,951 INFO L87 Difference]: Start difference. First operand 215 states and 293 transitions. Second operand has 16 states, 16 states have (on average 6.375) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-24 00:13:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:13,383 INFO L93 Difference]: Finished difference Result 540 states and 735 transitions. [2024-11-24 00:13:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:13:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.375) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 109 [2024-11-24 00:13:13,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:13,388 INFO L225 Difference]: With dead ends: 540 [2024-11-24 00:13:13,389 INFO L226 Difference]: Without dead ends: 393 [2024-11-24 00:13:13,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:13:13,390 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 476 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:13,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 978 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 00:13:13,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-24 00:13:13,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 342. [2024-11-24 00:13:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 308 states have (on average 1.37012987012987) internal successors, (422), 308 states have internal predecessors, (422), 26 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:13:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 474 transitions. [2024-11-24 00:13:13,424 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 474 transitions. Word has length 109 [2024-11-24 00:13:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:13,424 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 474 transitions. [2024-11-24 00:13:13,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.375) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-24 00:13:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 474 transitions. [2024-11-24 00:13:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:13,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:13,426 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:13,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:13,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-24 00:13:13,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:13:13,826 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:13,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:13,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1366043560, now seen corresponding path program 1 times [2024-11-24 00:13:13,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:13,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383726337] [2024-11-24 00:13:13,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:13,828 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 00:13:13,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:13,831 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:13,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:14,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:13:14,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:14,426 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 25 treesize of output 21 [2024-11-24 00:13:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-24 00:13:14,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:14,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:14,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383726337] [2024-11-24 00:13:14,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383726337] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:14,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:14,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2024-11-24 00:13:14,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542312139] [2024-11-24 00:13:14,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:14,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:13:14,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:14,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:13:14,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:13:14,830 INFO L87 Difference]: Start difference. First operand 342 states and 474 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:15,429 INFO L93 Difference]: Finished difference Result 713 states and 973 transitions. [2024-11-24 00:13:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:13:15,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:13:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:15,435 INFO L225 Difference]: With dead ends: 713 [2024-11-24 00:13:15,435 INFO L226 Difference]: Without dead ends: 473 [2024-11-24 00:13:15,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:13:15,437 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 50 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:15,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 645 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:13:15,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-24 00:13:15,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 470. [2024-11-24 00:13:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 433 states have (on average 1.3371824480369514) internal successors, (579), 434 states have internal predecessors, (579), 28 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:13:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 635 transitions. [2024-11-24 00:13:15,481 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 635 transitions. Word has length 109 [2024-11-24 00:13:15,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:15,482 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 635 transitions. [2024-11-24 00:13:15,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 635 transitions. [2024-11-24 00:13:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:15,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:15,484 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:15,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:13:15,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:15,684 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:15,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1626583903, now seen corresponding path program 1 times [2024-11-24 00:13:15,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:15,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644935193] [2024-11-24 00:13:15,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:15,685 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 00:13:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:15,687 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:15,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:16,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:13:16,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 152 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-24 00:13:16,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:16,990 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:16,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644935193] [2024-11-24 00:13:16,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644935193] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:16,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:16,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:13:16,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050478139] [2024-11-24 00:13:16,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:16,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:13:16,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:16,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:13:16,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:13:16,992 INFO L87 Difference]: Start difference. First operand 470 states and 635 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:17,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:17,283 INFO L93 Difference]: Finished difference Result 961 states and 1283 transitions. [2024-11-24 00:13:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:13:17,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:13:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:17,288 INFO L225 Difference]: With dead ends: 961 [2024-11-24 00:13:17,288 INFO L226 Difference]: Without dead ends: 601 [2024-11-24 00:13:17,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:13:17,290 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 116 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:17,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 325 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:13:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-24 00:13:17,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 598. [2024-11-24 00:13:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 552 states have (on average 1.3079710144927537) internal successors, (722), 554 states have internal predecessors, (722), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 790 transitions. [2024-11-24 00:13:17,350 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 790 transitions. Word has length 109 [2024-11-24 00:13:17,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:17,350 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 790 transitions. [2024-11-24 00:13:17,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 790 transitions. [2024-11-24 00:13:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:17,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:17,352 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:17,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:17,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:17,553 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:17,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:17,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1295001042, now seen corresponding path program 1 times [2024-11-24 00:13:17,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:17,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954779371] [2024-11-24 00:13:17,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:17,554 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 00:13:17,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:17,556 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:17,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:17,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:13:17,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:18,502 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 22 treesize of output 18 [2024-11-24 00:13:18,651 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 19 [2024-11-24 00:13:18,701 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 37 treesize of output 25 [2024-11-24 00:13:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:13:18,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:19,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:19,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954779371] [2024-11-24 00:13:19,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954779371] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:19,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:19,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 19 [2024-11-24 00:13:19,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22064208] [2024-11-24 00:13:19,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:19,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:13:19,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:19,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:13:19,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:13:19,349 INFO L87 Difference]: Start difference. First operand 598 states and 790 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:20,927 INFO L93 Difference]: Finished difference Result 1440 states and 1899 transitions. [2024-11-24 00:13:20,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:13:20,928 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:13:20,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:20,933 INFO L225 Difference]: With dead ends: 1440 [2024-11-24 00:13:20,933 INFO L226 Difference]: Without dead ends: 964 [2024-11-24 00:13:20,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:13:20,935 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 73 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:20,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1138 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 00:13:20,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-24 00:13:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 748. [2024-11-24 00:13:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 702 states have (on average 1.3276353276353277) internal successors, (932), 704 states have internal predecessors, (932), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1000 transitions. [2024-11-24 00:13:21,003 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1000 transitions. Word has length 109 [2024-11-24 00:13:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:21,003 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1000 transitions. [2024-11-24 00:13:21,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1000 transitions. [2024-11-24 00:13:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:21,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:21,005 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:21,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:21,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:21,206 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:21,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash 15137364, now seen corresponding path program 1 times [2024-11-24 00:13:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:21,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12633571] [2024-11-24 00:13:21,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:21,207 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 00:13:21,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:21,208 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:21,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:21,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:13:21,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:21,917 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 13 [2024-11-24 00:13:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:13:25,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:25,718 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:25,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12633571] [2024-11-24 00:13:25,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12633571] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:25,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:25,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-24 00:13:25,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122617851] [2024-11-24 00:13:25,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:25,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:13:25,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:25,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:13:25,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:13:25,720 INFO L87 Difference]: Start difference. First operand 748 states and 1000 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:26,300 INFO L93 Difference]: Finished difference Result 1554 states and 2057 transitions. [2024-11-24 00:13:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:13:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:13:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:26,306 INFO L225 Difference]: With dead ends: 1554 [2024-11-24 00:13:26,306 INFO L226 Difference]: Without dead ends: 958 [2024-11-24 00:13:26,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:13:26,308 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 68 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:26,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 518 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:13:26,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-24 00:13:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 748. [2024-11-24 00:13:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 702 states have (on average 1.3190883190883191) internal successors, (926), 704 states have internal predecessors, (926), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 994 transitions. [2024-11-24 00:13:26,374 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 994 transitions. Word has length 109 [2024-11-24 00:13:26,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:26,374 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 994 transitions. [2024-11-24 00:13:26,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:26,375 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 994 transitions. [2024-11-24 00:13:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:26,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:26,378 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:26,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:26,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:26,579 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:26,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1435549652, now seen corresponding path program 1 times [2024-11-24 00:13:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:26,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856750453] [2024-11-24 00:13:26,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:26,581 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 00:13:26,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:26,584 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:26,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:27,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:13:27,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:27,317 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 14 [2024-11-24 00:13:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:13:27,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:27,546 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:27,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856750453] [2024-11-24 00:13:27,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856750453] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:27,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:27,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-24 00:13:27,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157288561] [2024-11-24 00:13:27,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:27,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:13:27,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:27,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:13:27,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:13:27,549 INFO L87 Difference]: Start difference. First operand 748 states and 994 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:28,148 INFO L93 Difference]: Finished difference Result 1536 states and 2027 transitions. [2024-11-24 00:13:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:13:28,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:13:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:28,153 INFO L225 Difference]: With dead ends: 1536 [2024-11-24 00:13:28,153 INFO L226 Difference]: Without dead ends: 940 [2024-11-24 00:13:28,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:13:28,156 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 66 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:28,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 547 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:13:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-24 00:13:28,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 748. [2024-11-24 00:13:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 702 states have (on average 1.3105413105413106) internal successors, (920), 704 states have internal predecessors, (920), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 988 transitions. [2024-11-24 00:13:28,219 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 988 transitions. Word has length 109 [2024-11-24 00:13:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:28,220 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 988 transitions. [2024-11-24 00:13:28,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 988 transitions. [2024-11-24 00:13:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:28,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:28,222 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:28,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:28,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:28,424 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:28,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:28,425 INFO L85 PathProgramCache]: Analyzing trace with hash 155685974, now seen corresponding path program 1 times [2024-11-24 00:13:28,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:28,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522204049] [2024-11-24 00:13:28,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:28,426 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 00:13:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:28,428 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:28,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:28,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 00:13:28,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:28,900 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 00:13:28,960 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 00:13:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:29,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:13:29,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522204049] [2024-11-24 00:13:29,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522204049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:13:29,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:13:29,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:13:29,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870580595] [2024-11-24 00:13:29,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:29,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:13:29,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:29,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:13:29,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:13:29,094 INFO L87 Difference]: Start difference. First operand 748 states and 988 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:29,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:29,788 INFO L93 Difference]: Finished difference Result 1622 states and 2128 transitions. [2024-11-24 00:13:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:13:29,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-24 00:13:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:29,793 INFO L225 Difference]: With dead ends: 1622 [2024-11-24 00:13:29,793 INFO L226 Difference]: Without dead ends: 1026 [2024-11-24 00:13:29,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:13:29,795 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 109 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:29,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1345 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:13:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-24 00:13:29,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 742. [2024-11-24 00:13:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 696 states have (on average 1.3132183908045978) internal successors, (914), 698 states have internal predecessors, (914), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 982 transitions. [2024-11-24 00:13:29,862 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 982 transitions. Word has length 109 [2024-11-24 00:13:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:29,863 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 982 transitions. [2024-11-24 00:13:29,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 982 transitions. [2024-11-24 00:13:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:13:29,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:29,864 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:29,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:13:30,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:30,065 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:30,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:30,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1219506068, now seen corresponding path program 1 times [2024-11-24 00:13:30,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:30,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686813704] [2024-11-24 00:13:30,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:30,066 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 00:13:30,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:30,068 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:30,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:30,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:13:30,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:13:30,616 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:13:30,616 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:30,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686813704] [2024-11-24 00:13:30,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686813704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:13:30,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:13:30,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:13:30,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059366235] [2024-11-24 00:13:30,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:30,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:13:30,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:30,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:13:30,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:13:30,617 INFO L87 Difference]: Start difference. First operand 742 states and 982 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:13:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:30,701 INFO L93 Difference]: Finished difference Result 1387 states and 1837 transitions. [2024-11-24 00:13:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:13:30,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-24 00:13:30,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:30,704 INFO L225 Difference]: With dead ends: 1387 [2024-11-24 00:13:30,705 INFO L226 Difference]: Without dead ends: 742 [2024-11-24 00:13:30,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 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 00:13:30,707 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 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 00:13:30,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:13:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-24 00:13:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2024-11-24 00:13:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 696 states have (on average 1.3103448275862069) internal successors, (912), 698 states have internal predecessors, (912), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 980 transitions. [2024-11-24 00:13:30,768 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 980 transitions. Word has length 109 [2024-11-24 00:13:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:30,769 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 980 transitions. [2024-11-24 00:13:30,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:13:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 980 transitions. [2024-11-24 00:13:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:13:30,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:30,771 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:30,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:30,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:30,972 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:30,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:30,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1175156526, now seen corresponding path program 1 times [2024-11-24 00:13:30,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:30,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387693331] [2024-11-24 00:13:30,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:30,973 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 00:13:30,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:30,976 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:30,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:31,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:13:31,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:32,157 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 19 [2024-11-24 00:13:32,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:13:34,335 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 30 treesize of output 22 [2024-11-24 00:13:34,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-24 00:13:34,350 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 31 treesize of output 19 [2024-11-24 00:13:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:13:35,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:42,336 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:42,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387693331] [2024-11-24 00:13:42,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387693331] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:42,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:42,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2024-11-24 00:13:42,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194742892] [2024-11-24 00:13:42,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:42,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:13:42,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:42,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:13:42,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=200, Unknown=1, NotChecked=0, Total=240 [2024-11-24 00:13:42,338 INFO L87 Difference]: Start difference. First operand 742 states and 980 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:45,616 INFO L93 Difference]: Finished difference Result 1334 states and 1763 transitions. [2024-11-24 00:13:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:13:45,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:13:45,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:45,625 INFO L225 Difference]: With dead ends: 1334 [2024-11-24 00:13:45,625 INFO L226 Difference]: Without dead ends: 744 [2024-11-24 00:13:45,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=53, Invalid=252, Unknown=1, NotChecked=0, Total=306 [2024-11-24 00:13:45,627 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 122 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:45,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 463 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 00:13:45,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-24 00:13:45,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2024-11-24 00:13:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 696 states have (on average 1.3074712643678161) internal successors, (910), 698 states have internal predecessors, (910), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:13:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 978 transitions. [2024-11-24 00:13:45,687 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 978 transitions. Word has length 110 [2024-11-24 00:13:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:45,688 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 978 transitions. [2024-11-24 00:13:45,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 978 transitions. [2024-11-24 00:13:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:13:45,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:45,690 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:45,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:13:45,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:45,890 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:45,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:45,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1256759457, now seen corresponding path program 1 times [2024-11-24 00:13:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:45,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743812039] [2024-11-24 00:13:45,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:45,891 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 00:13:45,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:45,893 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-24 00:13:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:46,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:13:46,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:47,161 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 00:13:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 152 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-24 00:13:47,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:47,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743812039] [2024-11-24 00:13:47,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743812039] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:47,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:47,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:13:47,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492898617] [2024-11-24 00:13:47,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:47,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:13:47,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:47,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:13:47,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:13:47,471 INFO L87 Difference]: Start difference. First operand 742 states and 978 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:47,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:47,763 INFO L93 Difference]: Finished difference Result 1327 states and 1745 transitions. [2024-11-24 00:13:47,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:13:47,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:13:47,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:47,767 INFO L225 Difference]: With dead ends: 1327 [2024-11-24 00:13:47,767 INFO L226 Difference]: Without dead ends: 737 [2024-11-24 00:13:47,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:13:47,770 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 90 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:47,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 421 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:13:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-24 00:13:47,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 686. [2024-11-24 00:13:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 647 states have (on average 1.312210200927357) internal successors, (849), 648 states have internal predecessors, (849), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:13:47,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 905 transitions. [2024-11-24 00:13:47,837 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 905 transitions. Word has length 110 [2024-11-24 00:13:47,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:47,838 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 905 transitions. [2024-11-24 00:13:47,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 905 transitions. [2024-11-24 00:13:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:13:47,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:47,840 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:47,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-24 00:13:48,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:48,042 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:48,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:48,043 INFO L85 PathProgramCache]: Analyzing trace with hash 996219114, now seen corresponding path program 1 times [2024-11-24 00:13:48,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:48,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064709439] [2024-11-24 00:13:48,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:48,043 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 00:13:48,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:48,045 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:48,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:48,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:13:48,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:49,548 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 19 [2024-11-24 00:13:49,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:13:49,957 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 00:13:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:13:50,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:50,321 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:50,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064709439] [2024-11-24 00:13:50,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064709439] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:50,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:50,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-24 00:13:50,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613930657] [2024-11-24 00:13:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:50,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:13:50,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:50,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:13:50,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:13:50,322 INFO L87 Difference]: Start difference. First operand 686 states and 905 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:50,574 INFO L93 Difference]: Finished difference Result 1370 states and 1791 transitions. [2024-11-24 00:13:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:13:50,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:13:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:50,580 INFO L225 Difference]: With dead ends: 1370 [2024-11-24 00:13:50,580 INFO L226 Difference]: Without dead ends: 836 [2024-11-24 00:13:50,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:13:50,584 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 52 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:50,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 365 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:13:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-24 00:13:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 804. [2024-11-24 00:13:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 765 states have (on average 1.2954248366013073) internal successors, (991), 766 states have internal predecessors, (991), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:13:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1047 transitions. [2024-11-24 00:13:50,640 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1047 transitions. Word has length 110 [2024-11-24 00:13:50,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:50,641 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1047 transitions. [2024-11-24 00:13:50,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1047 transitions. [2024-11-24 00:13:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:13:50,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:50,643 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:50,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:13:50,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:50,844 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:50,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:50,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1583025128, now seen corresponding path program 1 times [2024-11-24 00:13:50,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:50,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20753981] [2024-11-24 00:13:50,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:50,845 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 00:13:50,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:50,849 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:51,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 00:13:51,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:51,302 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 17 treesize of output 13 [2024-11-24 00:13:51,365 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 13 [2024-11-24 00:13:51,390 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 19 treesize of output 11 [2024-11-24 00:13:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:51,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:13:51,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:51,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20753981] [2024-11-24 00:13:51,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20753981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:13:51,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:13:51,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:13:51,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585515010] [2024-11-24 00:13:51,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:51,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:13:51,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:51,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:13:51,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:13:51,513 INFO L87 Difference]: Start difference. First operand 804 states and 1047 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:52,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:52,429 INFO L93 Difference]: Finished difference Result 1548 states and 2012 transitions. [2024-11-24 00:13:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:13:52,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:13:52,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:52,433 INFO L225 Difference]: With dead ends: 1548 [2024-11-24 00:13:52,433 INFO L226 Difference]: Without dead ends: 914 [2024-11-24 00:13:52,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:13:52,434 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 84 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:52,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1348 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:13:52,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-24 00:13:52,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 812. [2024-11-24 00:13:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 773 states have (on average 1.2923673997412677) internal successors, (999), 774 states have internal predecessors, (999), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:13:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1055 transitions. [2024-11-24 00:13:52,487 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1055 transitions. Word has length 110 [2024-11-24 00:13:52,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:52,487 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1055 transitions. [2024-11-24 00:13:52,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1055 transitions. [2024-11-24 00:13:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:13:52,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:52,489 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:52,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:52,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:52,690 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:52,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:52,690 INFO L85 PathProgramCache]: Analyzing trace with hash 862205608, now seen corresponding path program 1 times [2024-11-24 00:13:52,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:52,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951229351] [2024-11-24 00:13:52,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:52,691 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 00:13:52,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:52,693 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:52,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:53,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:13:53,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:53,997 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-24 00:13:53,997 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-24 00:13:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:54,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:13:54,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:54,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951229351] [2024-11-24 00:13:54,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951229351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:13:54,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:13:54,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:13:54,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469759135] [2024-11-24 00:13:54,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:54,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:13:54,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:54,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:13:54,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:13:54,345 INFO L87 Difference]: Start difference. First operand 812 states and 1055 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:55,531 INFO L93 Difference]: Finished difference Result 1768 states and 2320 transitions. [2024-11-24 00:13:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:13:55,532 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:13:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:55,534 INFO L225 Difference]: With dead ends: 1768 [2024-11-24 00:13:55,535 INFO L226 Difference]: Without dead ends: 1126 [2024-11-24 00:13:55,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:13:55,536 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 208 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:55,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1010 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:13:55,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2024-11-24 00:13:55,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1064. [2024-11-24 00:13:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1007 states have (on average 1.2909632571996028) internal successors, (1300), 1008 states have internal predecessors, (1300), 41 states have call successors, (41), 15 states have call predecessors, (41), 15 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:13:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1382 transitions. [2024-11-24 00:13:55,614 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1382 transitions. Word has length 110 [2024-11-24 00:13:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:55,615 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1382 transitions. [2024-11-24 00:13:55,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1382 transitions. [2024-11-24 00:13:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:13:55,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:55,616 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:55,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:55,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:55,818 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:55,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:55,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1449011622, now seen corresponding path program 1 times [2024-11-24 00:13:55,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29841062] [2024-11-24 00:13:55,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:55,819 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 00:13:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:55,821 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:56,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:13:56,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:57,296 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 19 [2024-11-24 00:13:57,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:13:57,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-24 00:13:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:13:57,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:13:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:13:58,054 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:13:58,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29841062] [2024-11-24 00:13:58,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29841062] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:13:58,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:13:58,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-24 00:13:58,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056783595] [2024-11-24 00:13:58,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:58,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:13:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:13:58,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:13:58,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:13:58,056 INFO L87 Difference]: Start difference. First operand 1064 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:13:58,422 INFO L93 Difference]: Finished difference Result 1980 states and 2571 transitions. [2024-11-24 00:13:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:13:58,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-24 00:13:58,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:13:58,426 INFO L225 Difference]: With dead ends: 1980 [2024-11-24 00:13:58,427 INFO L226 Difference]: Without dead ends: 1086 [2024-11-24 00:13:58,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:13:58,429 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 28 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:13:58,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 476 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:13:58,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-11-24 00:13:58,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1056. [2024-11-24 00:13:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 999 states have (on average 1.2872872872872874) internal successors, (1286), 1000 states have internal predecessors, (1286), 41 states have call successors, (41), 15 states have call predecessors, (41), 15 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:13:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1368 transitions. [2024-11-24 00:13:58,512 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1368 transitions. Word has length 110 [2024-11-24 00:13:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:13:58,513 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1368 transitions. [2024-11-24 00:13:58,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:13:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1368 transitions. [2024-11-24 00:13:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:13:58,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:58,514 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:58,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:58,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:58,720 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:58,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:58,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1564405514, now seen corresponding path program 1 times [2024-11-24 00:13:58,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:13:58,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87772885] [2024-11-24 00:13:58,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:58,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:13:58,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:13:58,722 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:58,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:13:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:59,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:13:59,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:13:59,857 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 19 [2024-11-24 00:13:59,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:14:02,315 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 31 treesize of output 23 [2024-11-24 00:14:02,328 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 26 treesize of output 18 [2024-11-24 00:14:02,336 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 32 treesize of output 20 [2024-11-24 00:14:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:14:02,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:14:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:14:09,783 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:14:09,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87772885] [2024-11-24 00:14:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87772885] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:14:09,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:14:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2024-11-24 00:14:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541181178] [2024-11-24 00:14:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:09,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:14:09,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:14:09,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:14:09,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=200, Unknown=1, NotChecked=0, Total=240 [2024-11-24 00:14:09,785 INFO L87 Difference]: Start difference. First operand 1056 states and 1368 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:13,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:13,230 INFO L93 Difference]: Finished difference Result 1684 states and 2184 transitions. [2024-11-24 00:14:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:14:13,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-24 00:14:13,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:13,241 INFO L225 Difference]: With dead ends: 1684 [2024-11-24 00:14:13,241 INFO L226 Difference]: Without dead ends: 1042 [2024-11-24 00:14:13,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=53, Invalid=252, Unknown=1, NotChecked=0, Total=306 [2024-11-24 00:14:13,243 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 59 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:13,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 418 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 00:14:13,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-24 00:14:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1040. [2024-11-24 00:14:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 983 states have (on average 1.28382502543235) internal successors, (1262), 984 states have internal predecessors, (1262), 41 states have call successors, (41), 15 states have call predecessors, (41), 15 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:14:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1344 transitions. [2024-11-24 00:14:13,330 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1344 transitions. Word has length 111 [2024-11-24 00:14:13,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:13,331 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1344 transitions. [2024-11-24 00:14:13,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1344 transitions. [2024-11-24 00:14:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:14:13,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:13,332 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:13,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:13,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:13,533 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:13,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:13,533 INFO L85 PathProgramCache]: Analyzing trace with hash 601052816, now seen corresponding path program 1 times [2024-11-24 00:14:13,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:14:13,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909761516] [2024-11-24 00:14:13,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:13,534 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 00:14:13,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:14:13,535 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:13,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:13,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 00:14:13,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:16,131 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 00:14:16,622 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 125 treesize of output 89 [2024-11-24 00:14:16,628 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 135 treesize of output 75 [2024-11-24 00:14:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:14:16,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:14:17,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:14:17,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909761516] [2024-11-24 00:14:17,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909761516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:14:17,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1475472719] [2024-11-24 00:14:17,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:17,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:14:17,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:14:17,295 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:14:17,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-24 00:14:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:18,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 00:14:18,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:21,931 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 00:14:23,703 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 00:14:24,581 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 125 treesize of output 89 [2024-11-24 00:14:24,588 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 135 treesize of output 75 [2024-11-24 00:14:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:14:24,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:14:25,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1475472719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:14:25,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:14:25,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-24 00:14:25,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76108036] [2024-11-24 00:14:25,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:14:25,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 00:14:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:14:25,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 00:14:25,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:14:25,061 INFO L87 Difference]: Start difference. First operand 1040 states and 1344 transitions. Second operand has 22 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-24 00:14:31,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:31,192 INFO L93 Difference]: Finished difference Result 2488 states and 3203 transitions. [2024-11-24 00:14:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 00:14:31,193 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 111 [2024-11-24 00:14:31,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:31,198 INFO L225 Difference]: With dead ends: 2488 [2024-11-24 00:14:31,198 INFO L226 Difference]: Without dead ends: 1618 [2024-11-24 00:14:31,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 00:14:31,200 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 291 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:31,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1739 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-24 00:14:31,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2024-11-24 00:14:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1047. [2024-11-24 00:14:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 989 states have (on average 1.282103134479272) internal successors, (1268), 990 states have internal predecessors, (1268), 41 states have call successors, (41), 16 states have call predecessors, (41), 16 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:14:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1350 transitions. [2024-11-24 00:14:31,307 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1350 transitions. Word has length 111 [2024-11-24 00:14:31,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:31,307 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1350 transitions. [2024-11-24 00:14:31,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-24 00:14:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1350 transitions. [2024-11-24 00:14:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:14:31,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:31,309 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:31,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-24 00:14:31,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:31,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:31,710 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:31,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:31,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1260584338, now seen corresponding path program 1 times [2024-11-24 00:14:31,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:14:31,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618481129] [2024-11-24 00:14:31,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:31,713 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 00:14:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:14:31,717 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:32,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:14:32,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:14:32,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:14:32,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:14:32,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618481129] [2024-11-24 00:14:32,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618481129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:14:32,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:14:32,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:14:32,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072336394] [2024-11-24 00:14:32,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:32,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:14:32,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:14:32,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:14:32,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:14:32,312 INFO L87 Difference]: Start difference. First operand 1047 states and 1350 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:14:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:32,746 INFO L93 Difference]: Finished difference Result 1580 states and 2023 transitions. [2024-11-24 00:14:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:14:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-11-24 00:14:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:32,750 INFO L225 Difference]: With dead ends: 1580 [2024-11-24 00:14:32,750 INFO L226 Difference]: Without dead ends: 631 [2024-11-24 00:14:32,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:14:32,751 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:32,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:14:32,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-24 00:14:32,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 619. [2024-11-24 00:14:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 567 states have (on average 1.2486772486772486) internal successors, (708), 568 states have internal predecessors, (708), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:14:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 784 transitions. [2024-11-24 00:14:32,812 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 784 transitions. Word has length 111 [2024-11-24 00:14:32,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:32,813 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 784 transitions. [2024-11-24 00:14:32,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:14:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 784 transitions. [2024-11-24 00:14:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-24 00:14:32,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:32,814 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:32,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:14:33,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:33,015 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:33,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:33,016 INFO L85 PathProgramCache]: Analyzing trace with hash 323251460, now seen corresponding path program 1 times [2024-11-24 00:14:33,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:14:33,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933877110] [2024-11-24 00:14:33,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:33,017 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 00:14:33,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:14:33,020 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:33,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:33,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:14:33,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:33,941 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 00:14:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:14:34,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:14:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:14:34,700 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:14:34,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933877110] [2024-11-24 00:14:34,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933877110] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:14:34,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:14:34,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2024-11-24 00:14:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942885283] [2024-11-24 00:14:34,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:34,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:14:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:14:34,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:14:34,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:14:34,701 INFO L87 Difference]: Start difference. First operand 619 states and 784 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:35,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:35,891 INFO L93 Difference]: Finished difference Result 1061 states and 1340 transitions. [2024-11-24 00:14:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:14:35,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2024-11-24 00:14:35,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:35,894 INFO L225 Difference]: With dead ends: 1061 [2024-11-24 00:14:35,894 INFO L226 Difference]: Without dead ends: 704 [2024-11-24 00:14:35,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:14:35,895 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 35 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:35,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 848 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:14:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-24 00:14:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 672. [2024-11-24 00:14:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 620 states have (on average 1.2483870967741935) internal successors, (774), 621 states have internal predecessors, (774), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:14:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 850 transitions. [2024-11-24 00:14:35,965 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 850 transitions. Word has length 112 [2024-11-24 00:14:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:35,965 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 850 transitions. [2024-11-24 00:14:35,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 850 transitions. [2024-11-24 00:14:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 00:14:35,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:35,966 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:35,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:36,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:36,167 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:36,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:36,167 INFO L85 PathProgramCache]: Analyzing trace with hash 685888299, now seen corresponding path program 1 times [2024-11-24 00:14:36,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:14:36,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782630801] [2024-11-24 00:14:36,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:36,168 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 00:14:36,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:14:36,169 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:36,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:36,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:14:36,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:37,641 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 17 treesize of output 13 [2024-11-24 00:14:37,903 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 31 treesize of output 19 [2024-11-24 00:14:37,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-24 00:14:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:14:38,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:14:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:14:38,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:14:38,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782630801] [2024-11-24 00:14:38,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782630801] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:14:38,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:14:38,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-24 00:14:38,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088943868] [2024-11-24 00:14:38,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:38,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:14:38,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:14:38,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:14:38,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:14:38,387 INFO L87 Difference]: Start difference. First operand 672 states and 850 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:39,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:39,095 INFO L93 Difference]: Finished difference Result 1224 states and 1525 transitions. [2024-11-24 00:14:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:14:39,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-11-24 00:14:39,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:39,099 INFO L225 Difference]: With dead ends: 1224 [2024-11-24 00:14:39,099 INFO L226 Difference]: Without dead ends: 820 [2024-11-24 00:14:39,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:14:39,100 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 53 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:39,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 331 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:14:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-24 00:14:39,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 684. [2024-11-24 00:14:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 632 states have (on average 1.2436708860759493) internal successors, (786), 633 states have internal predecessors, (786), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:14:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 862 transitions. [2024-11-24 00:14:39,157 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 862 transitions. Word has length 114 [2024-11-24 00:14:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:39,158 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 862 transitions. [2024-11-24 00:14:39,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 862 transitions. [2024-11-24 00:14:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 00:14:39,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:39,159 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:39,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:14:39,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:39,360 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:39,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:39,360 INFO L85 PathProgramCache]: Analyzing trace with hash -865537379, now seen corresponding path program 1 times [2024-11-24 00:14:39,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:14:39,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639459004] [2024-11-24 00:14:39,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:39,361 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 00:14:39,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:14:39,362 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:39,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:39,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:14:39,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:40,764 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 17 treesize of output 13 [2024-11-24 00:14:40,835 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 31 treesize of output 19 [2024-11-24 00:14:40,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-24 00:14:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:14:41,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:14:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:14:41,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:14:41,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639459004] [2024-11-24 00:14:41,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639459004] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:14:41,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:14:41,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:14:41,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867516495] [2024-11-24 00:14:41,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:41,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:14:41,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:14:41,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:14:41,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:14:41,512 INFO L87 Difference]: Start difference. First operand 684 states and 862 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:42,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:42,411 INFO L93 Difference]: Finished difference Result 1215 states and 1509 transitions. [2024-11-24 00:14:42,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:14:42,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-11-24 00:14:42,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:42,414 INFO L225 Difference]: With dead ends: 1215 [2024-11-24 00:14:42,414 INFO L226 Difference]: Without dead ends: 795 [2024-11-24 00:14:42,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:14:42,415 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 69 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:42,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 451 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:14:42,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-24 00:14:42,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 661. [2024-11-24 00:14:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 609 states have (on average 1.2380952380952381) internal successors, (754), 610 states have internal predecessors, (754), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:14:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 830 transitions. [2024-11-24 00:14:42,462 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 830 transitions. Word has length 114 [2024-11-24 00:14:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:42,463 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 830 transitions. [2024-11-24 00:14:42,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:14:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 830 transitions. [2024-11-24 00:14:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:14:42,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:42,463 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:42,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:42,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:42,664 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:42,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:42,664 INFO L85 PathProgramCache]: Analyzing trace with hash -396848117, now seen corresponding path program 1 times [2024-11-24 00:14:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:14:42,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562658262] [2024-11-24 00:14:42,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:42,665 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 00:14:42,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:14:42,667 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:42,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:14:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:43,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-24 00:14:43,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:14:46,584 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 102 treesize of output 82 [2024-11-24 00:14:46,592 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 72 treesize of output 60 [2024-11-24 00:15:06,956 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 41 treesize of output 29 [2024-11-24 00:15:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 140 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:15:08,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:15:13,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2024-11-24 00:15:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:15:13,997 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562658262] [2024-11-24 00:15:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562658262] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:13,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:13,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [22] total 29 [2024-11-24 00:15:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586098863] [2024-11-24 00:15:13,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:13,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:15:13,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:13,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:15:13,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=712, Unknown=4, NotChecked=0, Total=812 [2024-11-24 00:15:13,999 INFO L87 Difference]: Start difference. First operand 661 states and 830 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:15,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:15,389 INFO L93 Difference]: Finished difference Result 1272 states and 1552 transitions. [2024-11-24 00:15:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:15:15,390 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:15:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:15,393 INFO L225 Difference]: With dead ends: 1272 [2024-11-24 00:15:15,393 INFO L226 Difference]: Without dead ends: 875 [2024-11-24 00:15:15,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=120, Invalid=868, Unknown=4, NotChecked=0, Total=992 [2024-11-24 00:15:15,394 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 176 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:15,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 622 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:15:15,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-24 00:15:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 680. [2024-11-24 00:15:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 628 states have (on average 1.234076433121019) internal successors, (775), 629 states have internal predecessors, (775), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 851 transitions. [2024-11-24 00:15:15,443 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 851 transitions. Word has length 118 [2024-11-24 00:15:15,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:15,443 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 851 transitions. [2024-11-24 00:15:15,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 851 transitions. [2024-11-24 00:15:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:15:15,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:15,445 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:15:15,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:15,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:15,645 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:15,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:15,646 INFO L85 PathProgramCache]: Analyzing trace with hash 883015561, now seen corresponding path program 1 times [2024-11-24 00:15:15,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:15,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354622803] [2024-11-24 00:15:15,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:15,646 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 00:15:15,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:15,648 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:15,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:16,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 00:15:16,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:17,031 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 22 treesize of output 18 [2024-11-24 00:15:18,398 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 52 treesize of output 36 [2024-11-24 00:15:18,408 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 35 treesize of output 23 [2024-11-24 00:15:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:15:18,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:15:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:15:20,079 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354622803] [2024-11-24 00:15:20,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354622803] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:20,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:20,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 28 [2024-11-24 00:15:20,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505954815] [2024-11-24 00:15:20,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:20,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:15:20,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:20,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:15:20,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:15:20,081 INFO L87 Difference]: Start difference. First operand 680 states and 851 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:22,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:22,921 INFO L93 Difference]: Finished difference Result 1295 states and 1590 transitions. [2024-11-24 00:15:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:15:22,922 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:15:22,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:22,925 INFO L225 Difference]: With dead ends: 1295 [2024-11-24 00:15:22,925 INFO L226 Difference]: Without dead ends: 879 [2024-11-24 00:15:22,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 00:15:22,926 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 418 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:22,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1016 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 00:15:22,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-24 00:15:22,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 683. [2024-11-24 00:15:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 631 states have (on average 1.2329635499207607) internal successors, (778), 632 states have internal predecessors, (778), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 854 transitions. [2024-11-24 00:15:22,990 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 854 transitions. Word has length 118 [2024-11-24 00:15:22,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:22,991 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 854 transitions. [2024-11-24 00:15:22,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 854 transitions. [2024-11-24 00:15:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:15:22,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:22,992 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:15:23,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:23,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:23,195 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:23,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:23,196 INFO L85 PathProgramCache]: Analyzing trace with hash -295897475, now seen corresponding path program 1 times [2024-11-24 00:15:23,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:23,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296067580] [2024-11-24 00:15:23,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:23,196 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 00:15:23,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:23,198 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:23,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-24 00:15:23,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:25,572 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 27 treesize of output 23 [2024-11-24 00:15:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 143 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:15:26,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:15:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:15:27,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:27,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296067580] [2024-11-24 00:15:27,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296067580] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:27,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:27,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-11-24 00:15:27,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217902905] [2024-11-24 00:15:27,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:27,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:15:27,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:27,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:15:27,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:15:27,439 INFO L87 Difference]: Start difference. First operand 683 states and 854 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:28,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:28,579 INFO L93 Difference]: Finished difference Result 1288 states and 1580 transitions. [2024-11-24 00:15:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:15:28,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:15:28,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:28,582 INFO L225 Difference]: With dead ends: 1288 [2024-11-24 00:15:28,582 INFO L226 Difference]: Without dead ends: 859 [2024-11-24 00:15:28,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2024-11-24 00:15:28,583 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 200 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:28,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 703 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:15:28,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-24 00:15:28,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 697. [2024-11-24 00:15:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 645 states have (on average 1.2279069767441861) internal successors, (792), 646 states have internal predecessors, (792), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 868 transitions. [2024-11-24 00:15:28,642 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 868 transitions. Word has length 118 [2024-11-24 00:15:28,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:28,642 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 868 transitions. [2024-11-24 00:15:28,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 868 transitions. [2024-11-24 00:15:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:15:28,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:28,643 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:15:28,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:28,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:28,844 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:28,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:28,844 INFO L85 PathProgramCache]: Analyzing trace with hash 213575615, now seen corresponding path program 1 times [2024-11-24 00:15:28,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:28,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55310913] [2024-11-24 00:15:28,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:28,845 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 00:15:28,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:28,846 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:28,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:29,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 00:15:29,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:30,243 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 22 treesize of output 18 [2024-11-24 00:15:31,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2024-11-24 00:15:31,719 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 00:15:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:15:31,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:15:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:15:33,488 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:33,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55310913] [2024-11-24 00:15:33,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55310913] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:33,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:33,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 28 [2024-11-24 00:15:33,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651567438] [2024-11-24 00:15:33,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:33,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:15:33,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:33,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:15:33,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:15:33,490 INFO L87 Difference]: Start difference. First operand 697 states and 868 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:36,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:36,216 INFO L93 Difference]: Finished difference Result 1226 states and 1517 transitions. [2024-11-24 00:15:36,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:15:36,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:15:36,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:36,220 INFO L225 Difference]: With dead ends: 1226 [2024-11-24 00:15:36,220 INFO L226 Difference]: Without dead ends: 793 [2024-11-24 00:15:36,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 00:15:36,222 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 287 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:36,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1142 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-24 00:15:36,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-24 00:15:36,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 711. [2024-11-24 00:15:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 659 states have (on average 1.2230652503793626) internal successors, (806), 660 states have internal predecessors, (806), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 882 transitions. [2024-11-24 00:15:36,298 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 882 transitions. Word has length 118 [2024-11-24 00:15:36,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:36,298 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 882 transitions. [2024-11-24 00:15:36,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 882 transitions. [2024-11-24 00:15:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:15:36,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:36,299 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:15:36,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:36,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:36,500 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:36,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:36,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1128561225, now seen corresponding path program 1 times [2024-11-24 00:15:36,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:36,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653044406] [2024-11-24 00:15:36,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:36,501 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 00:15:36,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:36,503 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:36,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:36,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:15:36,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:37,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-24 00:15:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:15:38,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:15:39,365 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 00:15:39,365 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 23 treesize of output 22 [2024-11-24 00:15:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:15:39,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:39,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653044406] [2024-11-24 00:15:39,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653044406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:15:39,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:15:39,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-24 00:15:39,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741858090] [2024-11-24 00:15:39,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:15:39,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:15:39,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:39,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:15:39,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:15:39,691 INFO L87 Difference]: Start difference. First operand 711 states and 882 transitions. Second operand has 13 states, 11 states have (on average 8.090909090909092) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-24 00:15:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:42,370 INFO L93 Difference]: Finished difference Result 1178 states and 1454 transitions. [2024-11-24 00:15:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:15:42,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.090909090909092) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) Word has length 118 [2024-11-24 00:15:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:42,373 INFO L225 Difference]: With dead ends: 1178 [2024-11-24 00:15:42,373 INFO L226 Difference]: Without dead ends: 559 [2024-11-24 00:15:42,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:15:42,374 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 374 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:42,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 405 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:15:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-24 00:15:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2024-11-24 00:15:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 495 states have (on average 1.1919191919191918) internal successors, (590), 496 states have internal predecessors, (590), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 666 transitions. [2024-11-24 00:15:42,424 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 666 transitions. Word has length 118 [2024-11-24 00:15:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:42,424 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 666 transitions. [2024-11-24 00:15:42,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.090909090909092) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-24 00:15:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 666 transitions. [2024-11-24 00:15:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:15:42,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:42,425 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:15:42,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:42,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:42,628 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:42,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:42,629 INFO L85 PathProgramCache]: Analyzing trace with hash -353519964, now seen corresponding path program 1 times [2024-11-24 00:15:42,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:42,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780541240] [2024-11-24 00:15:42,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:42,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:15:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:42,634 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:42,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:43,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 00:15:43,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:43,209 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 17 treesize of output 13 [2024-11-24 00:15:43,333 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 13 [2024-11-24 00:15:43,377 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 19 treesize of output 11 [2024-11-24 00:15:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:15:43,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:43,736 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:43,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780541240] [2024-11-24 00:15:43,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780541240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:43,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:43,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:15:43,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326610924] [2024-11-24 00:15:43,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:43,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:15:43,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:43,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:15:43,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:15:43,738 INFO L87 Difference]: Start difference. First operand 547 states and 666 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:45,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:45,951 INFO L93 Difference]: Finished difference Result 926 states and 1121 transitions. [2024-11-24 00:15:45,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:15:45,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-24 00:15:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:45,954 INFO L225 Difference]: With dead ends: 926 [2024-11-24 00:15:45,954 INFO L226 Difference]: Without dead ends: 600 [2024-11-24 00:15:45,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:15:45,955 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 152 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:45,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1111 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 00:15:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-24 00:15:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 560. [2024-11-24 00:15:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 508 states have (on average 1.1909448818897639) internal successors, (605), 509 states have internal predecessors, (605), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 681 transitions. [2024-11-24 00:15:46,003 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 681 transitions. Word has length 120 [2024-11-24 00:15:46,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:46,004 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 681 transitions. [2024-11-24 00:15:46,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 681 transitions. [2024-11-24 00:15:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-24 00:15:46,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:46,006 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:15:46,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:46,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:46,206 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:46,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:46,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1885234402, now seen corresponding path program 1 times [2024-11-24 00:15:46,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:46,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797534220] [2024-11-24 00:15:46,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:46,207 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 00:15:46,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:46,209 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:46,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:46,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:15:46,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2024-11-24 00:15:46,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:46,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:46,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797534220] [2024-11-24 00:15:46,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797534220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:46,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:46,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:15:46,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997009293] [2024-11-24 00:15:46,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:46,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:15:46,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:46,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:15:46,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:15:46,915 INFO L87 Difference]: Start difference. First operand 560 states and 681 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:47,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:47,023 INFO L93 Difference]: Finished difference Result 1104 states and 1318 transitions. [2024-11-24 00:15:47,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:15:47,024 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 209 [2024-11-24 00:15:47,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:47,027 INFO L225 Difference]: With dead ends: 1104 [2024-11-24 00:15:47,027 INFO L226 Difference]: Without dead ends: 636 [2024-11-24 00:15:47,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 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 00:15:47,028 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 53 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:47,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 275 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:47,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-24 00:15:47,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 527. [2024-11-24 00:15:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 475 states have (on average 1.1557894736842105) internal successors, (549), 476 states have internal predecessors, (549), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 625 transitions. [2024-11-24 00:15:47,108 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 625 transitions. Word has length 209 [2024-11-24 00:15:47,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:47,108 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 625 transitions. [2024-11-24 00:15:47,109 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 625 transitions. [2024-11-24 00:15:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-24 00:15:47,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:47,110 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:15:47,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:47,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:47,311 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:47,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:47,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1511781689, now seen corresponding path program 1 times [2024-11-24 00:15:47,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:47,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7851340] [2024-11-24 00:15:47,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:47,312 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 00:15:47,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:47,314 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:47,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:47,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:15:47,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2024-11-24 00:15:48,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:48,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:48,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7851340] [2024-11-24 00:15:48,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7851340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:48,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:48,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:15:48,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176029076] [2024-11-24 00:15:48,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:48,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:15:48,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:48,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:15:48,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:15:48,049 INFO L87 Difference]: Start difference. First operand 527 states and 625 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:48,123 INFO L93 Difference]: Finished difference Result 1071 states and 1250 transitions. [2024-11-24 00:15:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:15:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 213 [2024-11-24 00:15:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:48,126 INFO L225 Difference]: With dead ends: 1071 [2024-11-24 00:15:48,126 INFO L226 Difference]: Without dead ends: 633 [2024-11-24 00:15:48,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 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 00:15:48,127 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 52 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:48,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 226 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:48,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-24 00:15:48,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 489. [2024-11-24 00:15:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 437 states have (on average 1.1235697940503433) internal successors, (491), 438 states have internal predecessors, (491), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 567 transitions. [2024-11-24 00:15:48,203 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 567 transitions. Word has length 213 [2024-11-24 00:15:48,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:48,204 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 567 transitions. [2024-11-24 00:15:48,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 567 transitions. [2024-11-24 00:15:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-24 00:15:48,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:48,206 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:15:48,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:48,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:48,406 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:48,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1573821303, now seen corresponding path program 1 times [2024-11-24 00:15:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799979376] [2024-11-24 00:15:48,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:48,407 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 00:15:48,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:48,412 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:48,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:49,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 00:15:49,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:56,970 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 42 treesize of output 30 [2024-11-24 00:15:56,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-24 00:15:56,988 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 21 [2024-11-24 00:15:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 12 proven. 700 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-24 00:15:57,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:15:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-11-24 00:15:58,140 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:15:58,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799979376] [2024-11-24 00:15:58,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799979376] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:58,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:58,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-24 00:15:58,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967038108] [2024-11-24 00:15:58,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:58,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:15:58,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:15:58,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:15:58,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:15:58,142 INFO L87 Difference]: Start difference. First operand 489 states and 567 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:58,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:58,971 INFO L93 Difference]: Finished difference Result 966 states and 1105 transitions. [2024-11-24 00:15:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:58,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 213 [2024-11-24 00:15:58,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:58,974 INFO L225 Difference]: With dead ends: 966 [2024-11-24 00:15:58,974 INFO L226 Difference]: Without dead ends: 531 [2024-11-24 00:15:58,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:15:58,974 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 51 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:58,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 440 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:15:58,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-24 00:15:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 433. [2024-11-24 00:15:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 381 states have (on average 1.1023622047244095) internal successors, (420), 382 states have internal predecessors, (420), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 496 transitions. [2024-11-24 00:15:59,018 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 496 transitions. Word has length 213 [2024-11-24 00:15:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:59,019 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 496 transitions. [2024-11-24 00:15:59,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:15:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 496 transitions. [2024-11-24 00:15:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-24 00:15:59,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:59,020 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:15:59,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:59,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:59,220 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:59,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:59,221 INFO L85 PathProgramCache]: Analyzing trace with hash 759090846, now seen corresponding path program 1 times [2024-11-24 00:15:59,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:15:59,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197078946] [2024-11-24 00:15:59,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:59,221 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 00:15:59,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:15:59,223 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:59,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:15:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:59,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:15:59,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:59,934 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 11 treesize of output 7 [2024-11-24 00:16:00,048 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 00:16:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-24 00:16:00,255 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:16:00,255 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:16:00,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197078946] [2024-11-24 00:16:00,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197078946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:00,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:00,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:16:00,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054044433] [2024-11-24 00:16:00,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:00,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:16:00,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:16:00,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:16:00,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:16:00,256 INFO L87 Difference]: Start difference. First operand 433 states and 496 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:00,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:00,913 INFO L93 Difference]: Finished difference Result 716 states and 812 transitions. [2024-11-24 00:16:00,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:16:00,914 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 216 [2024-11-24 00:16:00,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:00,915 INFO L225 Difference]: With dead ends: 716 [2024-11-24 00:16:00,915 INFO L226 Difference]: Without dead ends: 445 [2024-11-24 00:16:00,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:16:00,916 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 21 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:00,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 957 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:16:00,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-24 00:16:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 324. [2024-11-24 00:16:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 288 states have (on average 1.0902777777777777) internal successors, (314), 289 states have internal predecessors, (314), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:16:00,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 366 transitions. [2024-11-24 00:16:00,958 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 366 transitions. Word has length 216 [2024-11-24 00:16:00,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:00,959 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 366 transitions. [2024-11-24 00:16:00,959 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 366 transitions. [2024-11-24 00:16:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-24 00:16:00,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:00,960 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:16:00,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:01,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:01,161 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:16:01,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:01,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1892708642, now seen corresponding path program 1 times [2024-11-24 00:16:01,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:16:01,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071996795] [2024-11-24 00:16:01,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:01,162 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 00:16:01,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:16:01,163 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:01,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:01,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:16:01,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:16:02,000 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 11 treesize of output 7 [2024-11-24 00:16:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-24 00:16:02,392 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:16:02,392 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:16:02,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071996795] [2024-11-24 00:16:02,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071996795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:02,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:02,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 00:16:02,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404688998] [2024-11-24 00:16:02,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:02,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:16:02,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:16:02,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:16:02,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:16:02,394 INFO L87 Difference]: Start difference. First operand 324 states and 366 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:03,376 INFO L93 Difference]: Finished difference Result 715 states and 819 transitions. [2024-11-24 00:16:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:16:03,376 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-24 00:16:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:03,379 INFO L225 Difference]: With dead ends: 715 [2024-11-24 00:16:03,379 INFO L226 Difference]: Without dead ends: 445 [2024-11-24 00:16:03,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:16:03,381 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 94 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:03,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1628 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:16:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-24 00:16:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 324. [2024-11-24 00:16:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 288 states have (on average 1.0902777777777777) internal successors, (314), 289 states have internal predecessors, (314), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:16:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 366 transitions. [2024-11-24 00:16:03,419 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 366 transitions. Word has length 226 [2024-11-24 00:16:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:03,419 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 366 transitions. [2024-11-24 00:16:03,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 366 transitions. [2024-11-24 00:16:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-24 00:16:03,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:03,421 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:16:03,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 00:16:03,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:03,621 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:16:03,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:03,622 INFO L85 PathProgramCache]: Analyzing trace with hash -612844964, now seen corresponding path program 1 times [2024-11-24 00:16:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:16:03,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726163346] [2024-11-24 00:16:03,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:03,623 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 00:16:03,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:16:03,625 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:03,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:04,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:16:04,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:16:06,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-24 00:16:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 644 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 00:16:06,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:16:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-24 00:16:07,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:16:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726163346] [2024-11-24 00:16:07,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726163346] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:16:07,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:16:07,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:16:07,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903481529] [2024-11-24 00:16:07,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:07,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:16:07,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:16:07,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:16:07,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:16:07,582 INFO L87 Difference]: Start difference. First operand 324 states and 366 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:07,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:07,975 INFO L93 Difference]: Finished difference Result 610 states and 684 transitions. [2024-11-24 00:16:07,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:16:07,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-24 00:16:07,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:07,978 INFO L225 Difference]: With dead ends: 610 [2024-11-24 00:16:07,978 INFO L226 Difference]: Without dead ends: 340 [2024-11-24 00:16:07,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:16:07,980 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 17 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:07,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 463 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:16:07,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-24 00:16:08,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-24 00:16:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 288 states have (on average 1.0868055555555556) internal successors, (313), 289 states have internal predecessors, (313), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:16:08,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 365 transitions. [2024-11-24 00:16:08,032 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 365 transitions. Word has length 226 [2024-11-24 00:16:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:08,032 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 365 transitions. [2024-11-24 00:16:08,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 365 transitions. [2024-11-24 00:16:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-24 00:16:08,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:08,034 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:16:08,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:08,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:08,234 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:16:08,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:08,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1915340896, now seen corresponding path program 1 times [2024-11-24 00:16:08,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:16:08,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119512560] [2024-11-24 00:16:08,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:08,236 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 00:16:08,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:16:08,238 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:08,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:09,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:16:09,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:16:11,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-24 00:16:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 644 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 00:16:11,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:16:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-24 00:16:12,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:16:12,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119512560] [2024-11-24 00:16:12,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119512560] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:16:12,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:16:12,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-24 00:16:12,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368408223] [2024-11-24 00:16:12,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:12,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:16:12,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:16:12,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:16:12,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:16:12,495 INFO L87 Difference]: Start difference. First operand 324 states and 365 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:12,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:12,941 INFO L93 Difference]: Finished difference Result 595 states and 666 transitions. [2024-11-24 00:16:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:16:12,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-24 00:16:12,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:12,942 INFO L225 Difference]: With dead ends: 595 [2024-11-24 00:16:12,942 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:16:12,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:16:12,943 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:12,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 430 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:16:12,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:16:12,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:16:12,944 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 00:16:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:16:12,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2024-11-24 00:16:12,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:12,944 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:16:12,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:16:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:16:12,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:16:12,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:16:12,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:16:13,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be238027-1bdc-48aa-bbd1-c3219dd70bc0/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 00:16:13,151 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] [2024-11-24 00:16:13,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:17:20,616 WARN L286 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 280 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:18:29,890 WARN L286 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:19:35,745 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:20:40,590 WARN L286 SmtUtils]: Spent 1.08m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:21:46,201 WARN L286 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:22:55,506 WARN L286 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 280 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:24:00,737 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 252 DAG size of output: 307 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:25:02,851 WARN L286 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 252 DAG size of output: 307 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 00:26:03,570 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 228 DAG size of output: 282 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)