./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.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_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/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_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/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_bc2f7f1b-a86b-446c-951d-489b3226aecd/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 c5ad413464bb2736d6f435d51cb1326f1acaeab748db29ebf4ec341c12bfbc5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:50:28,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:50:28,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:50:28,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:50:28,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:50:28,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:50:28,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:50:28,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:50:28,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:50:28,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:50:28,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:50:28,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:50:28,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:50:28,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:50:28,653 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:50:28,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:50:28,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:50:28,655 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:50:28,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:28,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:28,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:50:28,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:28,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:50:28,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:28,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:28,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:50:28,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:50:28,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:50:28,658 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_bc2f7f1b-a86b-446c-951d-489b3226aecd/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 -> c5ad413464bb2736d6f435d51cb1326f1acaeab748db29ebf4ec341c12bfbc5e [2024-11-23 23:50:28,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:50:28,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:50:28,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:50:28,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:50:28,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:50:28,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i [2024-11-23 23:50:32,246 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/c87f92351/d7df6642ca6444eba727a698432f8d28/FLAGe6bc334be [2024-11-23 23:50:32,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:50:32,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i [2024-11-23 23:50:32,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/c87f92351/d7df6642ca6444eba727a698432f8d28/FLAGe6bc334be [2024-11-23 23:50:32,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/c87f92351/d7df6642ca6444eba727a698432f8d28 [2024-11-23 23:50:32,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:50:32,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:50:32,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:32,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:50:32,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:50:32,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:32" (1/1) ... [2024-11-23 23:50:32,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ccdc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:32, skipping insertion in model container [2024-11-23 23:50:32,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:32" (1/1) ... [2024-11-23 23:50:32,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:50:32,832 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_bc2f7f1b-a86b-446c-951d-489b3226aecd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i[916,929] [2024-11-23 23:50:32,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:32,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:50:32,998 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_bc2f7f1b-a86b-446c-951d-489b3226aecd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i[916,929] [2024-11-23 23:50:33,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:33,087 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:50:33,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33 WrapperNode [2024-11-23 23:50:33,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:33,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:33,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:50:33,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:50:33,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,194 INFO L138 Inliner]: procedures = 29, calls = 173, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 586 [2024-11-23 23:50:33,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:33,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:50:33,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:50:33,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:50:33,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,251 INFO L175 MemorySlicer]: Split 141 memory accesses to 6 slices as follows [2, 22, 18, 39, 13, 47]. 33 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 2, 3, 2, 4]. The 17 writes are split as follows [0, 3, 2, 4, 3, 5]. [2024-11-23 23:50:33,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:50:33,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:50:33,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:50:33,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:50:33,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (1/1) ... [2024-11-23 23:50:33,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:33,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:50:33,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:50:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:50:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:50:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:50:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:50:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:50:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:50:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:50:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 23:50:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:50:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 23:50:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:50:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:50:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:50:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:50:33,587 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:50:33,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:50:34,387 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-23 23:50:34,391 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:50:34,408 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:50:34,409 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:50:34,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:34 BoogieIcfgContainer [2024-11-23 23:50:34,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:50:34,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:50:34,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:50:34,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:50:34,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:50:32" (1/3) ... [2024-11-23 23:50:34,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590817e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:34, skipping insertion in model container [2024-11-23 23:50:34,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:33" (2/3) ... [2024-11-23 23:50:34,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590817e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:34, skipping insertion in model container [2024-11-23 23:50:34,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:34" (3/3) ... [2024-11-23 23:50:34,422 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-11.i [2024-11-23 23:50:34,439 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:50:34,441 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-11.i that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:50:34,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:50:34,542 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;@6b53931f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:50:34,543 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:50:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 120 states have (on average 1.4666666666666666) internal successors, (176), 121 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:50:34,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:34,565 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:34,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:34,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash -825630552, now seen corresponding path program 1 times [2024-11-23 23:50:34,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:34,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4053464] [2024-11-23 23:50:34,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:34,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 23:50:35,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:35,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4053464] [2024-11-23 23:50:35,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4053464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:35,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58024097] [2024-11-23 23:50:35,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:35,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:35,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:35,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:50:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:35,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:50:35,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 23:50:35,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:35,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58024097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:35,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:35,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:50:35,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093645201] [2024-11-23 23:50:35,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:35,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:50:35,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:35,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:50:35,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:50:35,492 INFO L87 Difference]: Start difference. First operand has 139 states, 120 states have (on average 1.4666666666666666) internal successors, (176), 121 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:35,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:35,579 INFO L93 Difference]: Finished difference Result 271 states and 426 transitions. [2024-11-23 23:50:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:50:35,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-23 23:50:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:35,592 INFO L225 Difference]: With dead ends: 271 [2024-11-23 23:50:35,593 INFO L226 Difference]: Without dead ends: 135 [2024-11-23 23:50:35,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:50:35,599 INFO L435 NwaCegarLoop]: 201 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, 201 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:35,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-23 23:50:35,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-23 23:50:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 117 states have (on average 1.4444444444444444) internal successors, (169), 117 states have internal predecessors, (169), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2024-11-23 23:50:35,661 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 133 [2024-11-23 23:50:35,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:35,663 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2024-11-23 23:50:35,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2024-11-23 23:50:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:50:35,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:35,670 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:35,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:50:35,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:50:35,872 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:35,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:35,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1635399696, now seen corresponding path program 1 times [2024-11-23 23:50:35,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:35,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066960821] [2024-11-23 23:50:35,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:50:36,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:36,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066960821] [2024-11-23 23:50:36,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066960821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:36,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:36,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:50:36,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039957819] [2024-11-23 23:50:36,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:36,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:50:36,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:36,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:50:36,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:50:36,359 INFO L87 Difference]: Start difference. First operand 135 states and 201 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:36,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:36,424 INFO L93 Difference]: Finished difference Result 269 states and 402 transitions. [2024-11-23 23:50:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:50:36,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-23 23:50:36,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:36,427 INFO L225 Difference]: With dead ends: 269 [2024-11-23 23:50:36,427 INFO L226 Difference]: Without dead ends: 137 [2024-11-23 23:50:36,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:50:36,429 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:36,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:36,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-23 23:50:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-23 23:50:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 119 states have (on average 1.4369747899159664) internal successors, (171), 119 states have internal predecessors, (171), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 203 transitions. [2024-11-23 23:50:36,443 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 203 transitions. Word has length 133 [2024-11-23 23:50:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:36,447 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 203 transitions. [2024-11-23 23:50:36,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2024-11-23 23:50:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:50:36,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:36,450 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:36,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:50:36,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:36,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash -700992814, now seen corresponding path program 1 times [2024-11-23 23:50:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:36,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67992664] [2024-11-23 23:50:36,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:50:36,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:36,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67992664] [2024-11-23 23:50:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67992664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:36,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370601120] [2024-11-23 23:50:36,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:36,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:36,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:36,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:36,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:50:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:37,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:50:37,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:50:37,312 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:37,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370601120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:37,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:37,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-23 23:50:37,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547530293] [2024-11-23 23:50:37,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:37,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:50:37,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:37,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:50:37,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:50:37,314 INFO L87 Difference]: Start difference. First operand 137 states and 203 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:37,389 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2024-11-23 23:50:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:50:37,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-23 23:50:37,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:37,392 INFO L225 Difference]: With dead ends: 273 [2024-11-23 23:50:37,392 INFO L226 Difference]: Without dead ends: 139 [2024-11-23 23:50:37,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:50:37,397 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:37,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:37,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-23 23:50:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-23 23:50:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 121 states have (on average 1.4297520661157024) internal successors, (173), 121 states have internal predecessors, (173), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 205 transitions. [2024-11-23 23:50:37,420 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 205 transitions. Word has length 133 [2024-11-23 23:50:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:37,421 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 205 transitions. [2024-11-23 23:50:37,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2024-11-23 23:50:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 23:50:37,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:37,426 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:37,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:50:37,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:37,627 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:37,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash 532923702, now seen corresponding path program 1 times [2024-11-23 23:50:37,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:37,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671320155] [2024-11-23 23:50:37,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:37,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:50:38,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:38,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671320155] [2024-11-23 23:50:38,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671320155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:38,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130401395] [2024-11-23 23:50:38,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:38,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:38,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:38,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:38,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:50:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:38,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:50:38,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:50:38,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:38,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130401395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:38,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:38,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 23:50:38,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104365372] [2024-11-23 23:50:38,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:38,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:38,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:38,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:38,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:50:38,463 INFO L87 Difference]: Start difference. First operand 139 states and 205 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:38,524 INFO L93 Difference]: Finished difference Result 278 states and 411 transitions. [2024-11-23 23:50:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:38,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-23 23:50:38,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:38,530 INFO L225 Difference]: With dead ends: 278 [2024-11-23 23:50:38,530 INFO L226 Difference]: Without dead ends: 142 [2024-11-23 23:50:38,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:50:38,532 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:38,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 775 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-23 23:50:38,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-23 23:50:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4193548387096775) internal successors, (176), 124 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 208 transitions. [2024-11-23 23:50:38,545 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 208 transitions. Word has length 135 [2024-11-23 23:50:38,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:38,546 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 208 transitions. [2024-11-23 23:50:38,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:38,546 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions. [2024-11-23 23:50:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:50:38,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:38,549 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:38,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:50:38,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:38,750 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:38,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash 644923378, now seen corresponding path program 1 times [2024-11-23 23:50:38,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:38,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677632368] [2024-11-23 23:50:38,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:38,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:50:39,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:39,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677632368] [2024-11-23 23:50:39,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677632368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:39,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408029905] [2024-11-23 23:50:39,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:39,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:39,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:39,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:50:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:39,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:50:39,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:50:39,467 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:39,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408029905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:39,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:39,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-23 23:50:39,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951617006] [2024-11-23 23:50:39,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:39,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:39,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:39,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:39,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:39,469 INFO L87 Difference]: Start difference. First operand 142 states and 208 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:39,525 INFO L93 Difference]: Finished difference Result 284 states and 417 transitions. [2024-11-23 23:50:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:39,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-23 23:50:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:39,529 INFO L225 Difference]: With dead ends: 284 [2024-11-23 23:50:39,532 INFO L226 Difference]: Without dead ends: 145 [2024-11-23 23:50:39,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:39,533 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:39,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 777 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-23 23:50:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2024-11-23 23:50:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.416) internal successors, (177), 125 states have internal predecessors, (177), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:39,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 209 transitions. [2024-11-23 23:50:39,558 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 209 transitions. Word has length 136 [2024-11-23 23:50:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:39,559 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 209 transitions. [2024-11-23 23:50:39,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2024-11-23 23:50:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 23:50:39,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:39,564 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:39,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:50:39,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:39,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:39,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:39,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1837313301, now seen corresponding path program 1 times [2024-11-23 23:50:39,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:39,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019515340] [2024-11-23 23:50:39,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:50:40,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019515340] [2024-11-23 23:50:40,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019515340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361929727] [2024-11-23 23:50:40,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:40,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:40,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:40,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:50:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:40,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:50:40,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:50:40,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:40,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361929727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:40,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:40,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-23 23:50:40,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848833677] [2024-11-23 23:50:40,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:40,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:40,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:40,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:40,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:50:40,554 INFO L87 Difference]: Start difference. First operand 143 states and 209 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:40,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:40,620 INFO L93 Difference]: Finished difference Result 287 states and 420 transitions. [2024-11-23 23:50:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:40,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-23 23:50:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:40,624 INFO L225 Difference]: With dead ends: 287 [2024-11-23 23:50:40,625 INFO L226 Difference]: Without dead ends: 147 [2024-11-23 23:50:40,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:50:40,627 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 0 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:40,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 964 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-23 23:50:40,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2024-11-23 23:50:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.4126984126984128) internal successors, (178), 126 states have internal predecessors, (178), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:40,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2024-11-23 23:50:40,640 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 137 [2024-11-23 23:50:40,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:40,641 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2024-11-23 23:50:40,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2024-11-23 23:50:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 23:50:40,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:40,643 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:40,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:50:40,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:40,847 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:40,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:40,848 INFO L85 PathProgramCache]: Analyzing trace with hash 492739464, now seen corresponding path program 1 times [2024-11-23 23:50:40,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:40,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729957967] [2024-11-23 23:50:40,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:40,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:50:41,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:41,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729957967] [2024-11-23 23:50:41,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729957967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:41,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321759996] [2024-11-23 23:50:41,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:41,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:41,147 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:41,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:50:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:41,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:50:41,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:41,468 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:50:41,468 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:41,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321759996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:41,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:41,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 23:50:41,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556722937] [2024-11-23 23:50:41,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:41,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:41,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:41,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:41,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:50:41,472 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:41,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:41,523 INFO L93 Difference]: Finished difference Result 288 states and 421 transitions. [2024-11-23 23:50:41,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:41,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-23 23:50:41,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:41,525 INFO L225 Difference]: With dead ends: 288 [2024-11-23 23:50:41,525 INFO L226 Difference]: Without dead ends: 147 [2024-11-23 23:50:41,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:50:41,527 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:41,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 776 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:41,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-23 23:50:41,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-23 23:50:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 129 states have (on average 1.4031007751937985) internal successors, (181), 129 states have internal predecessors, (181), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:50:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 213 transitions. [2024-11-23 23:50:41,547 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 213 transitions. Word has length 137 [2024-11-23 23:50:41,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:41,548 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 213 transitions. [2024-11-23 23:50:41,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:50:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2024-11-23 23:50:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 23:50:41,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:41,554 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:41,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 23:50:41,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:41,755 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:41,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:41,755 INFO L85 PathProgramCache]: Analyzing trace with hash -361182215, now seen corresponding path program 1 times [2024-11-23 23:50:41,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:41,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11917656] [2024-11-23 23:50:41,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:50:41,901 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:50:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:50:42,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:50:42,069 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:50:42,070 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:50:42,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:50:42,077 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:42,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:50:42,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:50:42 BoogieIcfgContainer [2024-11-23 23:50:42,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:50:42,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:50:42,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:50:42,233 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:50:42,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:34" (3/4) ... [2024-11-23 23:50:42,237 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:50:42,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:50:42,239 INFO L158 Benchmark]: Toolchain (without parser) took 9634.57ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.5MB in the beginning and 68.0MB in the end (delta: 24.6MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2024-11-23 23:50:42,240 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:50:42,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.38ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:50:42,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.95ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 72.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:50:42,240 INFO L158 Benchmark]: Boogie Preprocessor took 101.04ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 67.3MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:50:42,241 INFO L158 Benchmark]: RCFGBuilder took 1110.01ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 82.1MB in the end (delta: -15.0MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-23 23:50:42,241 INFO L158 Benchmark]: TraceAbstraction took 7820.73ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 81.5MB in the beginning and 68.0MB in the end (delta: 13.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-11-23 23:50:42,241 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 176.2MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 17.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:50:42,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.38ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.95ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 72.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 101.04ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 67.3MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1110.01ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 82.1MB in the end (delta: -15.0MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7820.73ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 81.5MB in the beginning and 68.0MB in the end (delta: 13.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 176.2MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 17.6kB). 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 someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 1 }; [L25-L27] double double_Array_0[2] = { 7.675, 50.75 }; [L25-L27] double double_Array_0[2] = { 7.675, 50.75 }; [L25-L27] double double_Array_0[2] = { 7.675, 50.75 }; [L28-L30] float float_Array_0[3] = { 1000000.7, 32.5, 2.4 }; [L28-L30] float float_Array_0[3] = { 1000000.7, 32.5, 2.4 }; [L28-L30] float float_Array_0[3] = { 1000000.7, 32.5, 2.4 }; [L28-L30] float float_Array_0[3] = { 1000000.7, 32.5, 2.4 }; [L31-L33] signed char signed_char_Array_0[2] = { 10, -16 }; [L31-L33] signed char signed_char_Array_0[2] = { 10, -16 }; [L31-L33] signed char signed_char_Array_0[2] = { 10, -16 }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {10, 5}, {1, 200} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {10, 5}, {1, 200} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {10, 5}, {1, 200} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {10, 5}, {1, 200} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {10, 5}, {1, 200} }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_2_ = 1; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L105] isInitial = 1 [L106] FCALL initially() [L108] CALL updateLastVariables() [L98] EXPR BOOL_unsigned_char_Array_0[2] [L98] last_1_BOOL_unsigned_char_Array_0_2_ = BOOL_unsigned_char_Array_0[2] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L70] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] double_Array_0[0] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[0] [L77] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L77] EXPR double_Array_0[0] [L77] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] double_Array_0[1] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[1] [L79] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L79] EXPR double_Array_0[1] [L79] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] float_Array_0[0] = __VERIFIER_nondet_float() [L81] EXPR float_Array_0[0] [L81] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L81] EXPR float_Array_0[0] [L81] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] float_Array_0[2] = __VERIFIER_nondet_float() [L83] EXPR float_Array_0[2] [L83] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F [L83] EXPR float_Array_0[2] [L83] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] EXPR (float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] EXPR (float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] CALL assume_abort_if_not((float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] RET assume_abort_if_not((float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L85] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_char_Array_0[1][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L109] RET updateVariables() [L110] CALL step() [L41] EXPR double_Array_0[0] [L41] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L41] COND FALSE !(double_Array_0[0] >= double_Array_0[1]) [L50] EXPR float_Array_0[1] [L50] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L50] COND FALSE !(float_Array_0[1] <= float_Array_0[1]) [L53] EXPR BOOL_unsigned_char_Array_0[2] [L53] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[2]; [L54] EXPR double_Array_0[1] [L54] EXPR float_Array_0[1] [L54] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L54] COND FALSE !((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) [L63] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L63] COND FALSE !(! BOOL_unsigned_char_Array_0[2]) [L66] EXPR unsigned_char_Array_0[0][0] [L66] unsigned_char_Array_0[0][1] = unsigned_char_Array_0[0][0] [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR double_Array_0[1] [L101] EXPR float_Array_0[1] [L101] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR ((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1 [L101] EXPR BOOL_unsigned_char_Array_0[2] [L101] EXPR BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2] [L101] EXPR BOOL_unsigned_char_Array_0[2] [L101] EXPR BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1 [L101] EXPR float_Array_0[1] [L101] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) [L101] EXPR signed_char_Array_0[1] [L101] EXPR signed_char_Array_0[0] [L101] EXPR (float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR ((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR ((((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1)) && ((float_Array_0[1] <= float_Array_0[1]) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR ((((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1)) && ((float_Array_0[1] <= float_Array_0[1]) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (((((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1)) && ((float_Array_0[1] <= float_Array_0[1]) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]))) : 1)) && ((! BOOL_unsigned_char_Array_0[2]) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((((((((unsigned_char_Array_0[1][1]) < (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))) ? (unsigned_char_Array_0[1][1]) : (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))))) < (unsigned_char_Array_0[1][0])) ? (((((unsigned_char_Array_0[1][1]) < (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))) ? (unsigned_char_Array_0[1][1]) : (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))))) : (unsigned_char_Array_0[1][0]))))) : (unsigned_char_Array_0[0][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101] EXPR (((((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1)) && ((float_Array_0[1] <= float_Array_0[1]) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]))) : 1)) && ((! BOOL_unsigned_char_Array_0[2]) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((((((((unsigned_char_Array_0[1][1]) < (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))) ? (unsigned_char_Array_0[1][1]) : (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))))) < (unsigned_char_Array_0[1][0])) ? (((((unsigned_char_Array_0[1][1]) < (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))) ? (unsigned_char_Array_0[1][1]) : (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))))) : (unsigned_char_Array_0[1][0]))))) : (unsigned_char_Array_0[0][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L101-L102] return (((((double_Array_0[1] - 5.25) < (float_Array_0[1] * (float_Array_0[1] * 199.4))) ? ((BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[2]) ? ((float_Array_0[1] < float_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) : 1) : 1) && ((double_Array_0[0] >= double_Array_0[1]) ? (last_1_BOOL_unsigned_char_Array_0_2_ ? ((! last_1_BOOL_unsigned_char_Array_0_2_) ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) > ((10.25f + float_Array_0[2]))) ? (float_Array_0[0]) : ((10.25f + float_Array_0[2])))))) : (float_Array_0[1] == ((float) float_Array_0[0]))) : 1) : 1)) && ((float_Array_0[1] <= float_Array_0[1]) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]))) : 1)) && ((! BOOL_unsigned_char_Array_0[2]) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((((((((unsigned_char_Array_0[1][1]) < (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))) ? (unsigned_char_Array_0[1][1]) : (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))))) < (unsigned_char_Array_0[1][0])) ? (((((unsigned_char_Array_0[1][1]) < (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))) ? (unsigned_char_Array_0[1][1]) : (((((unsigned_char_Array_0[0][0]) > (5)) ? (unsigned_char_Array_0[0][0]) : (5))))))) : (unsigned_char_Array_0[1][0]))))) : (unsigned_char_Array_0[0][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 8, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4665 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3275 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 151 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1390 mSDtfsCounter, 151 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 851 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=7, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1893 NumberOfCodeBlocks, 1893 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1742 ConstructedInterpolants, 0 QuantifiedInterpolants, 1819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2654 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 5985/6240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:50:42,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/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_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/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_bc2f7f1b-a86b-446c-951d-489b3226aecd/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 c5ad413464bb2736d6f435d51cb1326f1acaeab748db29ebf4ec341c12bfbc5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:50:45,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:50:45,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:50:45,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:50:45,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:50:45,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:50:45,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:50:45,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:50:45,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:50:45,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:50:45,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:50:45,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:50:45,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:50:45,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:50:45,491 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:50:45,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:50:45,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:50:45,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:50:45,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:50:45,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:50:45,493 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:50:45,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:45,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:50:45,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:45,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:45,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:50:45,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:45,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:50:45,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:45,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:45,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:50:45,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:50:45,496 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:50:45,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:50:45,496 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:50:45,496 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:50:45,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:50:45,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:50:45,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:50:45,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:50:45,497 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_bc2f7f1b-a86b-446c-951d-489b3226aecd/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 -> c5ad413464bb2736d6f435d51cb1326f1acaeab748db29ebf4ec341c12bfbc5e [2024-11-23 23:50:45,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:50:45,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:50:45,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:50:45,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:50:45,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:50:45,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i [2024-11-23 23:50:48,880 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/92c647cfc/27cd1bd4198d4d3da1dc629369959288/FLAGb74d09b75 [2024-11-23 23:50:49,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:50:49,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i [2024-11-23 23:50:49,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/92c647cfc/27cd1bd4198d4d3da1dc629369959288/FLAGb74d09b75 [2024-11-23 23:50:49,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/data/92c647cfc/27cd1bd4198d4d3da1dc629369959288 [2024-11-23 23:50:49,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:50:49,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:50:49,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:49,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:50:49,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:50:49,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4529700b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49, skipping insertion in model container [2024-11-23 23:50:49,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:50:49,456 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_bc2f7f1b-a86b-446c-951d-489b3226aecd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i[916,929] [2024-11-23 23:50:49,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:49,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:50:49,641 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_bc2f7f1b-a86b-446c-951d-489b3226aecd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-11.i[916,929] [2024-11-23 23:50:49,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:49,771 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:50:49,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49 WrapperNode [2024-11-23 23:50:49,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:49,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:49,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:50:49,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:50:49,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,846 INFO L138 Inliner]: procedures = 33, calls = 173, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 585 [2024-11-23 23:50:49,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:49,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:50:49,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:50:49,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:50:49,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,893 INFO L175 MemorySlicer]: Split 141 memory accesses to 6 slices as follows [2, 22, 18, 39, 13, 47]. 33 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 2, 3, 2, 4]. The 17 writes are split as follows [0, 3, 2, 4, 3, 5]. [2024-11-23 23:50:49,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:50:49,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:50:49,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:50:49,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:50:49,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (1/1) ... [2024-11-23 23:50:49,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:49,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:50:50,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:50:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:50:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 23:50:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:50:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 23:50:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-23 23:50:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 23:50:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 23:50:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 23:50:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 23:50:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 23:50:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-23 23:50:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:50:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:50:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:50:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:50:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:50:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:50:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 23:50:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 23:50:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 23:50:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 23:50:50,339 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:50:50,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:51:08,953 INFO L? ?]: Removed 165 outVars from TransFormulas that were not future-live. [2024-11-23 23:51:08,954 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:51:08,974 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:51:08,974 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:51:08,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:51:08 BoogieIcfgContainer [2024-11-23 23:51:08,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:51:08,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:51:08,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:51:08,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:51:08,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:50:49" (1/3) ... [2024-11-23 23:51:08,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ee35c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:51:08, skipping insertion in model container [2024-11-23 23:51:08,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:49" (2/3) ... [2024-11-23 23:51:08,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ee35c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:51:08, skipping insertion in model container [2024-11-23 23:51:08,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:51:08" (3/3) ... [2024-11-23 23:51:08,990 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-11.i [2024-11-23 23:51:09,008 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:51:09,011 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-11.i that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:51:09,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:51:09,085 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;@1bd5d12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:51:09,085 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:51:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 120 states have (on average 1.4666666666666666) internal successors, (176), 121 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:51:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:51:09,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:09,106 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:09,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:09,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:09,115 INFO L85 PathProgramCache]: Analyzing trace with hash -825630552, now seen corresponding path program 1 times [2024-11-23 23:51:09,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298519734] [2024-11-23 23:51:09,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:09,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:09,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:09,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:09,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:51:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:10,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:51:10,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-23 23:51:10,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:10,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:10,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298519734] [2024-11-23 23:51:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298519734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:10,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:10,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:10,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736834287] [2024-11-23 23:51:10,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:10,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:51:10,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:10,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:51:10,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:51:10,499 INFO L87 Difference]: Start difference. First operand has 139 states, 120 states have (on average 1.4666666666666666) internal successors, (176), 121 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:51:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:10,533 INFO L93 Difference]: Finished difference Result 271 states and 426 transitions. [2024-11-23 23:51:10,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:51:10,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-23 23:51:10,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:10,546 INFO L225 Difference]: With dead ends: 271 [2024-11-23 23:51:10,546 INFO L226 Difference]: Without dead ends: 135 [2024-11-23 23:51:10,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:51:10,557 INFO L435 NwaCegarLoop]: 201 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, 201 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:10,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-23 23:51:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-23 23:51:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 117 states have (on average 1.4444444444444444) internal successors, (169), 117 states have internal predecessors, (169), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:51:10,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2024-11-23 23:51:10,625 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 133 [2024-11-23 23:51:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:10,627 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2024-11-23 23:51:10,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:51:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2024-11-23 23:51:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:51:10,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:10,634 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:10,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:51:10,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:10,835 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:10,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:10,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1635399696, now seen corresponding path program 1 times [2024-11-23 23:51:10,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:10,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710836747] [2024-11-23 23:51:10,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:10,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:10,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:10,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:51:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:12,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:12,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-23 23:51:12,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:12,220 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:12,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710836747] [2024-11-23 23:51:12,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710836747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:12,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:12,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:12,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332339955] [2024-11-23 23:51:12,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:12,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:12,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:12,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:12,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:12,224 INFO L87 Difference]: Start difference. First operand 135 states and 201 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:51:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:12,411 INFO L93 Difference]: Finished difference Result 269 states and 402 transitions. [2024-11-23 23:51:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:12,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-23 23:51:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:12,414 INFO L225 Difference]: With dead ends: 269 [2024-11-23 23:51:12,414 INFO L226 Difference]: Without dead ends: 137 [2024-11-23 23:51:12,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:12,416 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:12,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:51:12,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-23 23:51:12,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-23 23:51:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 119 states have (on average 1.4369747899159664) internal successors, (171), 119 states have internal predecessors, (171), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:51:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 203 transitions. [2024-11-23 23:51:12,432 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 203 transitions. Word has length 133 [2024-11-23 23:51:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:12,433 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 203 transitions. [2024-11-23 23:51:12,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:51:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2024-11-23 23:51:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:51:12,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:12,437 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:12,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:12,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:12,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:12,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:12,639 INFO L85 PathProgramCache]: Analyzing trace with hash -700992814, now seen corresponding path program 1 times [2024-11-23 23:51:12,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:12,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593871047] [2024-11-23 23:51:12,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:12,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:12,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:12,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:51:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:13,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:13,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:51:14,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:14,075 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:14,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593871047] [2024-11-23 23:51:14,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593871047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:14,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:14,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:14,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407924959] [2024-11-23 23:51:14,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:14,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:14,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:14,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:14,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:14,078 INFO L87 Difference]: Start difference. First operand 137 states and 203 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:14,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:14,227 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2024-11-23 23:51:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-23 23:51:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:14,230 INFO L225 Difference]: With dead ends: 273 [2024-11-23 23:51:14,230 INFO L226 Difference]: Without dead ends: 139 [2024-11-23 23:51:14,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:14,232 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:14,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:51:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-23 23:51:14,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-23 23:51:14,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 121 states have (on average 1.4297520661157024) internal successors, (173), 121 states have internal predecessors, (173), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:51:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 205 transitions. [2024-11-23 23:51:14,247 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 205 transitions. Word has length 133 [2024-11-23 23:51:14,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:14,248 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 205 transitions. [2024-11-23 23:51:14,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2024-11-23 23:51:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 23:51:14,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:14,251 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:14,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:14,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:14,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:14,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:14,452 INFO L85 PathProgramCache]: Analyzing trace with hash 532923702, now seen corresponding path program 1 times [2024-11-23 23:51:14,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:14,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99503142] [2024-11-23 23:51:14,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:14,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:14,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:51:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:15,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:51:15,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:51:15,776 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:15,776 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:15,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99503142] [2024-11-23 23:51:15,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99503142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:15,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:15,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:15,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164509395] [2024-11-23 23:51:15,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:15,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:51:15,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:15,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:51:15,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:15,783 INFO L87 Difference]: Start difference. First operand 139 states and 205 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:16,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:16,022 INFO L93 Difference]: Finished difference Result 278 states and 411 transitions. [2024-11-23 23:51:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:51:16,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-23 23:51:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:16,025 INFO L225 Difference]: With dead ends: 278 [2024-11-23 23:51:16,026 INFO L226 Difference]: Without dead ends: 142 [2024-11-23 23:51:16,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:16,028 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:16,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 775 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:51:16,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-23 23:51:16,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-23 23:51:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4193548387096775) internal successors, (176), 124 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:51:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 208 transitions. [2024-11-23 23:51:16,041 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 208 transitions. Word has length 135 [2024-11-23 23:51:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:16,042 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 208 transitions. [2024-11-23 23:51:16,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions. [2024-11-23 23:51:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:51:16,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:16,046 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:16,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:16,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:16,246 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:16,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:16,247 INFO L85 PathProgramCache]: Analyzing trace with hash 644923378, now seen corresponding path program 1 times [2024-11-23 23:51:16,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:16,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053664253] [2024-11-23 23:51:16,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:16,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:16,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:16,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:16,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:51:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:17,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:51:17,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:51:17,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:17,640 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:17,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053664253] [2024-11-23 23:51:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053664253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:17,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:17,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:17,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727545454] [2024-11-23 23:51:17,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:17,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:51:17,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:17,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:51:17,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:17,643 INFO L87 Difference]: Start difference. First operand 142 states and 208 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:22,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:26,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:30,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:34,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:38,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:39,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:39,077 INFO L93 Difference]: Finished difference Result 408 states and 599 transitions. [2024-11-23 23:51:39,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:39,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-23 23:51:39,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:39,080 INFO L225 Difference]: With dead ends: 408 [2024-11-23 23:51:39,081 INFO L226 Difference]: Without dead ends: 269 [2024-11-23 23:51:39,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:39,082 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 172 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:39,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 687 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 109 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2024-11-23 23:51:39,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-23 23:51:39,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 265. [2024-11-23 23:51:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 230 states have (on average 1.4043478260869566) internal successors, (323), 230 states have internal predecessors, (323), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 23:51:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 387 transitions. [2024-11-23 23:51:39,111 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 387 transitions. Word has length 136 [2024-11-23 23:51:39,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:39,112 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 387 transitions. [2024-11-23 23:51:39,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 387 transitions. [2024-11-23 23:51:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 23:51:39,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:39,115 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:39,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:51:39,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:39,316 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:39,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:39,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1837313301, now seen corresponding path program 1 times [2024-11-23 23:51:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:39,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974352311] [2024-11-23 23:51:39,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:39,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:39,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:39,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 23:51:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:40,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:40,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:40,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:51:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:51:42,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:42,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:42,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974352311] [2024-11-23 23:51:42,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974352311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:42,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:42,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:51:42,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320046533] [2024-11-23 23:51:42,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:42,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:42,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:42,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:42,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:42,387 INFO L87 Difference]: Start difference. First operand 265 states and 387 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:46,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:51,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:55,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:55,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:55,491 INFO L93 Difference]: Finished difference Result 765 states and 1114 transitions. [2024-11-23 23:51:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:55,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-23 23:51:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:55,499 INFO L225 Difference]: With dead ends: 765 [2024-11-23 23:51:55,499 INFO L226 Difference]: Without dead ends: 503 [2024-11-23 23:51:55,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:55,501 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 304 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 39 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:55,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 551 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 45 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2024-11-23 23:51:55,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-23 23:51:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 433. [2024-11-23 23:51:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 381 states have (on average 1.3963254593175853) internal successors, (532), 381 states have internal predecessors, (532), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 23:51:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 628 transitions. [2024-11-23 23:51:55,572 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 628 transitions. Word has length 137 [2024-11-23 23:51:55,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:55,575 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 628 transitions. [2024-11-23 23:51:55,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 628 transitions. [2024-11-23 23:51:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 23:51:55,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:55,578 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:55,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-23 23:51:55,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:55,779 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:55,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 492739464, now seen corresponding path program 1 times [2024-11-23 23:51:55,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:55,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719357061] [2024-11-23 23:51:55,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:55,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:55,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 23:51:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:56,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:51:56,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:51:57,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:57,075 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:57,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719357061] [2024-11-23 23:51:57,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719357061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:57,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:57,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:57,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873562818] [2024-11-23 23:51:57,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:57,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:51:57,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:57,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:51:57,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:57,077 INFO L87 Difference]: Start difference. First operand 433 states and 628 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:57,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:57,335 INFO L93 Difference]: Finished difference Result 872 states and 1265 transitions. [2024-11-23 23:51:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:51:57,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-23 23:51:57,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:57,340 INFO L225 Difference]: With dead ends: 872 [2024-11-23 23:51:57,341 INFO L226 Difference]: Without dead ends: 442 [2024-11-23 23:51:57,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:57,343 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:57,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 776 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:51:57,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-23 23:51:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-11-23 23:51:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 390 states have (on average 1.3871794871794871) internal successors, (541), 390 states have internal predecessors, (541), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 23:51:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 637 transitions. [2024-11-23 23:51:57,378 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 637 transitions. Word has length 137 [2024-11-23 23:51:57,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:57,379 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 637 transitions. [2024-11-23 23:51:57,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:51:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 637 transitions. [2024-11-23 23:51:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 23:51:57,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:57,381 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:57,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:57,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:57,582 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:51:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:57,583 INFO L85 PathProgramCache]: Analyzing trace with hash -361182215, now seen corresponding path program 1 times [2024-11-23 23:51:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:57,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411970110] [2024-11-23 23:51:57,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:57,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:51:57,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:57,585 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:51:57,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 23:51:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:58,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:51:58,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:59,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:51:59,362 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 173 treesize of output 65 [2024-11-23 23:51:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-23 23:51:59,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:59,500 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:59,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411970110] [2024-11-23 23:51:59,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411970110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:59,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:59,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:59,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935571647] [2024-11-23 23:51:59,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:59,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:59,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:59,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:59,503 INFO L87 Difference]: Start difference. First operand 442 states and 637 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:52:04,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:08,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:12,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:16,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:20,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:24,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:28,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:32,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:37,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:41,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:45,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:48,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:52,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:56,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:00,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:04,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:53:05,865 INFO L93 Difference]: Finished difference Result 884 states and 1274 transitions. [2024-11-23 23:53:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:53:05,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 138 [2024-11-23 23:53:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:53:05,874 INFO L225 Difference]: With dead ends: 884 [2024-11-23 23:53:05,874 INFO L226 Difference]: Without dead ends: 445 [2024-11-23 23:53:05,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:53:05,876 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 175 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:53:05,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 653 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 15 Unknown, 0 Unchecked, 66.2s Time] [2024-11-23 23:53:05,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-23 23:53:05,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 442. [2024-11-23 23:53:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 390 states have (on average 1.3794871794871795) internal successors, (538), 390 states have internal predecessors, (538), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 23:53:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 634 transitions. [2024-11-23 23:53:05,920 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 634 transitions. Word has length 138 [2024-11-23 23:53:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:53:05,920 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 634 transitions. [2024-11-23 23:53:05,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:53:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 634 transitions. [2024-11-23 23:53:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 23:53:05,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:53:05,923 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:53:05,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-23 23:53:06,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:53:06,124 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:53:06,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:53:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1631661811, now seen corresponding path program 1 times [2024-11-23 23:53:06,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:53:06,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212144797] [2024-11-23 23:53:06,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:53:06,126 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:53:06,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:53:06,128 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:53:06,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:53:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:53:07,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:53:07,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:53:09,029 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 80 treesize of output 26 [2024-11-23 23:53:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:53:09,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:53:09,332 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:53:09,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212144797] [2024-11-23 23:53:09,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1212144797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:53:09,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:53:09,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:53:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562758465] [2024-11-23 23:53:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:53:09,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:53:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:53:09,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:53:09,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:53:09,334 INFO L87 Difference]: Start difference. First operand 442 states and 634 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:53:14,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:18,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:53:22,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:27,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:31,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:53:35,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:39,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:43,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:53:47,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:51,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:55,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:59,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:54:03,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:07,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:12,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:54:16,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:54:20,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:54:24,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:28,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:54:32,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:36,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:40,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:44,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:54:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:54:48,315 INFO L93 Difference]: Finished difference Result 1185 states and 1704 transitions. [2024-11-23 23:54:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:54:48,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-23 23:54:48,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:54:48,323 INFO L225 Difference]: With dead ends: 1185 [2024-11-23 23:54:48,324 INFO L226 Difference]: Without dead ends: 746 [2024-11-23 23:54:48,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:54:48,327 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 362 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:54:48,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 774 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 23 Unknown, 0 Unchecked, 98.6s Time] [2024-11-23 23:54:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-23 23:54:48,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 736. [2024-11-23 23:54:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 633 states have (on average 1.3617693522906793) internal successors, (862), 633 states have internal predecessors, (862), 96 states have call successors, (96), 6 states have call predecessors, (96), 6 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-23 23:54:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1054 transitions. [2024-11-23 23:54:48,409 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1054 transitions. Word has length 140 [2024-11-23 23:54:48,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:54:48,410 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1054 transitions. [2024-11-23 23:54:48,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:54:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1054 transitions. [2024-11-23 23:54:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-23 23:54:48,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:54:48,412 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:48,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:54:48,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:54:48,612 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:54:48,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:48,613 INFO L85 PathProgramCache]: Analyzing trace with hash 239038819, now seen corresponding path program 1 times [2024-11-23 23:54:48,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:54:48,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353351827] [2024-11-23 23:54:48,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:48,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:54:48,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:54:48,615 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:54:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-23 23:54:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:49,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 23:54:49,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:54:53,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:54:53,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 246 treesize of output 78 [2024-11-23 23:54:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 10 proven. 250 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:54:53,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:54:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:54:55,320 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:54:55,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353351827] [2024-11-23 23:54:55,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353351827] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:54:55,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:54:55,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-23 23:54:55,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020301194] [2024-11-23 23:54:55,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:55,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:54:55,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:54:55,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:54:55,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:54:55,323 INFO L87 Difference]: Start difference. First operand 736 states and 1054 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:54:56,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:54:56,376 INFO L93 Difference]: Finished difference Result 1785 states and 2541 transitions. [2024-11-23 23:54:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:54:56,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-23 23:54:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:54:56,384 INFO L225 Difference]: With dead ends: 1785 [2024-11-23 23:54:56,384 INFO L226 Difference]: Without dead ends: 1114 [2024-11-23 23:54:56,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:54:56,387 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 102 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:54:56,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 749 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:54:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-23 23:54:56,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1062. [2024-11-23 23:54:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 933 states have (on average 1.3590568060021435) internal successors, (1268), 938 states have internal predecessors, (1268), 116 states have call successors, (116), 12 states have call predecessors, (116), 12 states have return successors, (116), 111 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-23 23:54:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1500 transitions. [2024-11-23 23:54:56,455 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1500 transitions. Word has length 141 [2024-11-23 23:54:56,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:54:56,456 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1500 transitions. [2024-11-23 23:54:56,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:54:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1500 transitions. [2024-11-23 23:54:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-23 23:54:56,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:54:56,458 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:56,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-23 23:54:56,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:54:56,660 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:54:56,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:56,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1112717869, now seen corresponding path program 1 times [2024-11-23 23:54:56,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:54:56,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453312004] [2024-11-23 23:54:56,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:56,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:54:56,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:54:56,664 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:54:56,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:54:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:57,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:54:57,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:54:58,234 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 80 treesize of output 26 [2024-11-23 23:54:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:54:58,335 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:54:58,336 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:54:58,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453312004] [2024-11-23 23:54:58,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453312004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:58,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:58,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:58,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491901038] [2024-11-23 23:54:58,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:58,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:54:58,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:54:58,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:54:58,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:54:58,337 INFO L87 Difference]: Start difference. First operand 1062 states and 1500 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:55:01,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:55:01,348 INFO L93 Difference]: Finished difference Result 2039 states and 2882 transitions. [2024-11-23 23:55:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:55:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-23 23:55:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:55:01,356 INFO L225 Difference]: With dead ends: 2039 [2024-11-23 23:55:01,356 INFO L226 Difference]: Without dead ends: 1048 [2024-11-23 23:55:01,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:55:01,358 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 163 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:55:01,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 997 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-23 23:55:01,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-11-23 23:55:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1038. [2024-11-23 23:55:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 909 states have (on average 1.352035203520352) internal successors, (1229), 914 states have internal predecessors, (1229), 116 states have call successors, (116), 12 states have call predecessors, (116), 12 states have return successors, (116), 111 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-23 23:55:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1461 transitions. [2024-11-23 23:55:01,424 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1461 transitions. Word has length 141 [2024-11-23 23:55:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:55:01,425 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1461 transitions. [2024-11-23 23:55:01,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:55:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1461 transitions. [2024-11-23 23:55:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-23 23:55:01,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:55:01,427 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:55:01,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:55:01,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:55:01,628 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:55:01,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:55:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash 91822296, now seen corresponding path program 1 times [2024-11-23 23:55:01,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:55:01,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108717585] [2024-11-23 23:55:01,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:55:01,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:55:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:55:01,632 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:55:01,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-23 23:55:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:55:03,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:55:03,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:55:03,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-11-23 23:55:04,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2024-11-23 23:55:05,317 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 86 treesize of output 32 [2024-11-23 23:55:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:55:05,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:55:05,461 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:55:05,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108717585] [2024-11-23 23:55:05,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108717585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:55:05,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:55:05,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:55:05,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135109211] [2024-11-23 23:55:05,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:55:05,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:55:05,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:55:05,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:55:05,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:55:05,463 INFO L87 Difference]: Start difference. First operand 1038 states and 1461 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:55:07,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:55:07,864 INFO L93 Difference]: Finished difference Result 2407 states and 3397 transitions. [2024-11-23 23:55:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:55:07,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-23 23:55:07,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:55:07,880 INFO L225 Difference]: With dead ends: 2407 [2024-11-23 23:55:07,880 INFO L226 Difference]: Without dead ends: 1440 [2024-11-23 23:55:07,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:55:07,883 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 125 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:55:07,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 544 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 23:55:07,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2024-11-23 23:55:07,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1424. [2024-11-23 23:55:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1251 states have (on average 1.3573141486810552) internal successors, (1698), 1258 states have internal predecessors, (1698), 156 states have call successors, (156), 16 states have call predecessors, (156), 16 states have return successors, (156), 149 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-23 23:55:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2010 transitions. [2024-11-23 23:55:07,974 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2010 transitions. Word has length 141 [2024-11-23 23:55:07,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:55:07,974 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 2010 transitions. [2024-11-23 23:55:07,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:55:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2010 transitions. [2024-11-23 23:55:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-23 23:55:07,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:55:07,977 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:55:08,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 23:55:08,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:55:08,177 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:55:08,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:55:08,178 INFO L85 PathProgramCache]: Analyzing trace with hash 445171384, now seen corresponding path program 1 times [2024-11-23 23:55:08,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:55:08,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624423979] [2024-11-23 23:55:08,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:55:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:55:08,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:55:08,180 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:55:08,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f7f1b-a86b-446c-951d-489b3226aecd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process