./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.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_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/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_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/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_bbc784e1-87fe-436c-9918-5a490b68e1d8/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 f0c11a71501857fba3402e4bb377289983d3b24a383b44d5d668b185a2e73be4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:28:17,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:28:17,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:28:17,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:28:17,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:28:17,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:28:17,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:28:17,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:28:17,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:28:17,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:28:17,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:28:17,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:28:17,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:28:17,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:28:17,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:28:17,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:28:17,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:28:17,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:28:17,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:28:17,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:28:17,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:28:17,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:28:17,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:28:17,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:28:17,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:28:17,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:28:17,888 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:28:17,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:28:17,889 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:28:17,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:28:17,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:28:17,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:28:17,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:28:17,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:28:17,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:28:17,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:28:17,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:28:17,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:28:17,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:28:17,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:28:17,890 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:28:17,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:28:17,891 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_bbc784e1-87fe-436c-9918-5a490b68e1d8/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 -> f0c11a71501857fba3402e4bb377289983d3b24a383b44d5d668b185a2e73be4 [2024-11-24 01:28:18,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:28:18,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:28:18,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:28:18,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:28:18,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:28:18,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i [2024-11-24 01:28:21,943 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/52e825e9d/5ffa0d97a6d44358a1cd612f0ce88745/FLAG14ca02737 [2024-11-24 01:28:22,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:28:22,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i [2024-11-24 01:28:22,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/52e825e9d/5ffa0d97a6d44358a1cd612f0ce88745/FLAG14ca02737 [2024-11-24 01:28:22,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/52e825e9d/5ffa0d97a6d44358a1cd612f0ce88745 [2024-11-24 01:28:22,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:28:22,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:28:22,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:28:22,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:28:22,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:28:22,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:22,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a552c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22, skipping insertion in model container [2024-11-24 01:28:22,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:22,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:28:22,608 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_bbc784e1-87fe-436c-9918-5a490b68e1d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i[915,928] [2024-11-24 01:28:22,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:28:22,742 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:28:22,755 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_bbc784e1-87fe-436c-9918-5a490b68e1d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i[915,928] [2024-11-24 01:28:22,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:28:22,843 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:28:22,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22 WrapperNode [2024-11-24 01:28:22,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:28:22,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:28:22,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:28:22,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:28:22,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:22,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:22,965 INFO L138 Inliner]: procedures = 29, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 495 [2024-11-24 01:28:22,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:28:22,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:28:22,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:28:22,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:28:22,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:22,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:22,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,039 INFO L175 MemorySlicer]: Split 130 memory accesses to 6 slices as follows [2, 38, 11, 55, 12, 12]. 42 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 4, 1, 4, 2, 2]. The 15 writes are split as follows [0, 4, 1, 5, 3, 2]. [2024-11-24 01:28:23,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:28:23,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:28:23,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:28:23,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:28:23,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (1/1) ... [2024-11-24 01:28:23,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:28:23,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:28:23,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:28:23,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:28:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:28:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:28:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:28:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:28:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:28:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:28:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:28:23,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:28:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:28:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:28:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:28:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:28:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:28:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:28:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:28:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:28:23,445 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:28:23,447 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:28:24,253 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-24 01:28:24,253 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:28:24,274 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:28:24,274 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:28:24,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:28:24 BoogieIcfgContainer [2024-11-24 01:28:24,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:28:24,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:28:24,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:28:24,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:28:24,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:28:22" (1/3) ... [2024-11-24 01:28:24,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42508047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:28:24, skipping insertion in model container [2024-11-24 01:28:24,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:22" (2/3) ... [2024-11-24 01:28:24,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42508047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:28:24, skipping insertion in model container [2024-11-24 01:28:24,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:28:24" (3/3) ... [2024-11-24 01:28:24,287 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-4.i [2024-11-24 01:28:24,308 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:28:24,310 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-4.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:28:24,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:28:24,425 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;@3a21cf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:28:24,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:28:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:24,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:24,447 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:24,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:24,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:24,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1671071366, now seen corresponding path program 1 times [2024-11-24 01:28:24,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:24,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295515419] [2024-11-24 01:28:24,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:24,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:28:24,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:24,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295515419] [2024-11-24 01:28:24,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295515419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:24,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726538958] [2024-11-24 01:28:24,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:24,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:28:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:28:24,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:28:24,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:28:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:25,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:28:25,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:28:25,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:25,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726538958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:25,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:25,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:28:25,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21881082] [2024-11-24 01:28:25,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:25,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:28:25,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:25,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:28:25,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:28:25,444 INFO L87 Difference]: Start difference. First operand has 110 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:25,479 INFO L93 Difference]: Finished difference Result 213 states and 331 transitions. [2024-11-24 01:28:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:28:25,481 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2024-11-24 01:28:25,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:25,488 INFO L225 Difference]: With dead ends: 213 [2024-11-24 01:28:25,488 INFO L226 Difference]: Without dead ends: 106 [2024-11-24 01:28:25,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:28:25,495 INFO L435 NwaCegarLoop]: 154 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, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:25,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:25,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-24 01:28:25,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-24 01:28:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2024-11-24 01:28:25,601 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 130 [2024-11-24 01:28:25,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:25,601 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2024-11-24 01:28:25,605 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2024-11-24 01:28:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:25,611 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:25,611 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:25,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:28:25,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:28:25,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:25,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:25,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1599009948, now seen corresponding path program 1 times [2024-11-24 01:28:25,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:25,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750320716] [2024-11-24 01:28:25,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:25,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:26,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:26,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750320716] [2024-11-24 01:28:26,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750320716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:26,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:26,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:28:26,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559759015] [2024-11-24 01:28:26,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:26,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:28:26,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:26,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:28:26,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:28:26,428 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:26,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:26,511 INFO L93 Difference]: Finished difference Result 211 states and 308 transitions. [2024-11-24 01:28:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:28:26,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2024-11-24 01:28:26,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:26,516 INFO L225 Difference]: With dead ends: 211 [2024-11-24 01:28:26,516 INFO L226 Difference]: Without dead ends: 108 [2024-11-24 01:28:26,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:28:26,520 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 445 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 [2024-11-24 01:28:26,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 445 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:26,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-24 01:28:26,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-24 01:28:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 156 transitions. [2024-11-24 01:28:26,545 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 156 transitions. Word has length 130 [2024-11-24 01:28:26,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:26,547 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 156 transitions. [2024-11-24 01:28:26,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-24 01:28:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:26,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:26,554 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:26,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:28:26,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:26,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:26,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1627510238, now seen corresponding path program 1 times [2024-11-24 01:28:26,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:26,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914208119] [2024-11-24 01:28:26,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:26,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914208119] [2024-11-24 01:28:26,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914208119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:28:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14292037] [2024-11-24 01:28:26,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:26,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:28:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:26,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:28:26,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:28:26,931 INFO L87 Difference]: Start difference. First operand 108 states and 156 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:26,989 INFO L93 Difference]: Finished difference Result 216 states and 313 transitions. [2024-11-24 01:28:26,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:28:26,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:28:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:26,998 INFO L225 Difference]: With dead ends: 216 [2024-11-24 01:28:27,001 INFO L226 Difference]: Without dead ends: 111 [2024-11-24 01:28:27,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:28:27,004 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 1 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:27,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 444 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-24 01:28:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-24 01:28:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-11-24 01:28:27,028 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 130 [2024-11-24 01:28:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:27,032 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-11-24 01:28:27,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-11-24 01:28:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:27,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:27,035 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:27,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:28:27,035 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:27,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:27,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1629357280, now seen corresponding path program 1 times [2024-11-24 01:28:27,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:27,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956059548] [2024-11-24 01:28:27,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:27,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:28,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956059548] [2024-11-24 01:28:28,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956059548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:28,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:28,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:28:28,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168514971] [2024-11-24 01:28:28,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:28,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:28:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:28,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:28:28,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:28,856 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:29,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:29,558 INFO L93 Difference]: Finished difference Result 289 states and 418 transitions. [2024-11-24 01:28:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:29,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:28:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:29,564 INFO L225 Difference]: With dead ends: 289 [2024-11-24 01:28:29,564 INFO L226 Difference]: Without dead ends: 182 [2024-11-24 01:28:29,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:28:29,569 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 143 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:29,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 856 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-24 01:28:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 112. [2024-11-24 01:28:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-24 01:28:29,597 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 130 [2024-11-24 01:28:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:29,598 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-24 01:28:29,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-24 01:28:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:29,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:29,605 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:29,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:28:29,606 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:29,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1964545438, now seen corresponding path program 1 times [2024-11-24 01:28:29,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:29,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149876639] [2024-11-24 01:28:29,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:29,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:28:29,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:29,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149876639] [2024-11-24 01:28:29,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149876639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:29,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8221666] [2024-11-24 01:28:29,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:29,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:28:29,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:28:29,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:28:29,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:28:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:30,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:28:30,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:30,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:30,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8221666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:30,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:30,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-24 01:28:30,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339084016] [2024-11-24 01:28:30,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:30,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:28:30,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:30,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:28:30,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:30,374 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:30,415 INFO L93 Difference]: Finished difference Result 223 states and 320 transitions. [2024-11-24 01:28:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:28:30,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:28:30,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:30,420 INFO L225 Difference]: With dead ends: 223 [2024-11-24 01:28:30,421 INFO L226 Difference]: Without dead ends: 114 [2024-11-24 01:28:30,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:30,423 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:30,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 446 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-24 01:28:30,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-24 01:28:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2024-11-24 01:28:30,441 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 130 [2024-11-24 01:28:30,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:30,442 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2024-11-24 01:28:30,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-11-24 01:28:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:28:30,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:30,446 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:30,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:28:30,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:28:30,646 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:30,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:30,647 INFO L85 PathProgramCache]: Analyzing trace with hash -707083916, now seen corresponding path program 1 times [2024-11-24 01:28:30,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:30,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493497590] [2024-11-24 01:28:30,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:28:30,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:30,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493497590] [2024-11-24 01:28:30,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493497590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:30,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299232321] [2024-11-24 01:28:30,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:30,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:28:30,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:28:30,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:28:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:28:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:31,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:28:31,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:31,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:31,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299232321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:31,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:31,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-24 01:28:31,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281580479] [2024-11-24 01:28:31,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:31,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:31,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:31,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:31,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:28:31,497 INFO L87 Difference]: Start difference. First operand 114 states and 162 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:31,609 INFO L93 Difference]: Finished difference Result 228 states and 325 transitions. [2024-11-24 01:28:31,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:31,610 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 132 [2024-11-24 01:28:31,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:31,612 INFO L225 Difference]: With dead ends: 228 [2024-11-24 01:28:31,612 INFO L226 Difference]: Without dead ends: 117 [2024-11-24 01:28:31,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:28:31,614 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:31,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:31,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-24 01:28:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2024-11-24 01:28:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 98 states have internal predecessors, (133), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:28:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-24 01:28:31,634 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 132 [2024-11-24 01:28:31,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:31,634 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-24 01:28:31,635 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-24 01:28:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:31,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:31,637 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:31,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:28:31,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 01:28:31,838 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:31,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:31,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1314098681, now seen corresponding path program 1 times [2024-11-24 01:28:31,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:31,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723716970] [2024-11-24 01:28:31,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:31,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:33,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:33,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723716970] [2024-11-24 01:28:33,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723716970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:33,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:33,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:28:33,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255137769] [2024-11-24 01:28:33,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:33,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:28:33,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:33,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:28:33,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:28:33,737 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:35,006 INFO L93 Difference]: Finished difference Result 391 states and 557 transitions. [2024-11-24 01:28:35,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:28:35,007 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-24 01:28:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:35,010 INFO L225 Difference]: With dead ends: 391 [2024-11-24 01:28:35,013 INFO L226 Difference]: Without dead ends: 279 [2024-11-24 01:28:35,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:28:35,015 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 313 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:35,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 843 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:28:35,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-24 01:28:35,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 211. [2024-11-24 01:28:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 182 states have (on average 1.3626373626373627) internal successors, (248), 183 states have internal predecessors, (248), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:28:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 300 transitions. [2024-11-24 01:28:35,065 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 300 transitions. Word has length 134 [2024-11-24 01:28:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:35,066 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 300 transitions. [2024-11-24 01:28:35,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2024-11-24 01:28:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:35,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:35,072 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:35,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:28:35,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:35,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash 34235003, now seen corresponding path program 1 times [2024-11-24 01:28:35,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:35,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235539814] [2024-11-24 01:28:35,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:35,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:36,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:36,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235539814] [2024-11-24 01:28:36,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235539814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:36,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:36,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:36,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636397330] [2024-11-24 01:28:36,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:36,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:36,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:36,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:36,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:36,606 INFO L87 Difference]: Start difference. First operand 211 states and 300 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:37,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:37,010 INFO L93 Difference]: Finished difference Result 555 states and 786 transitions. [2024-11-24 01:28:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:37,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:28:37,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:37,015 INFO L225 Difference]: With dead ends: 555 [2024-11-24 01:28:37,016 INFO L226 Difference]: Without dead ends: 347 [2024-11-24 01:28:37,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:37,017 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 91 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:37,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 523 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:28:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-24 01:28:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 343. [2024-11-24 01:28:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 300 states have (on average 1.36) internal successors, (408), 303 states have internal predecessors, (408), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:28:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 484 transitions. [2024-11-24 01:28:37,052 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 484 transitions. Word has length 134 [2024-11-24 01:28:37,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:37,052 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 484 transitions. [2024-11-24 01:28:37,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 484 transitions. [2024-11-24 01:28:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:37,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:37,055 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:37,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:28:37,056 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:37,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:37,056 INFO L85 PathProgramCache]: Analyzing trace with hash 613206007, now seen corresponding path program 1 times [2024-11-24 01:28:37,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:37,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988478603] [2024-11-24 01:28:37,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:38,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:38,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988478603] [2024-11-24 01:28:38,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988478603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:38,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:38,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:38,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967626501] [2024-11-24 01:28:38,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:38,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:38,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:38,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:38,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:38,206 INFO L87 Difference]: Start difference. First operand 343 states and 484 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:40,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:40,187 INFO L93 Difference]: Finished difference Result 752 states and 1058 transitions. [2024-11-24 01:28:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:40,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:28:40,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:40,193 INFO L225 Difference]: With dead ends: 752 [2024-11-24 01:28:40,193 INFO L226 Difference]: Without dead ends: 412 [2024-11-24 01:28:40,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:40,195 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 47 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:40,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 566 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:28:40,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-24 01:28:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 372. [2024-11-24 01:28:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 329 states have (on average 1.3495440729483283) internal successors, (444), 332 states have internal predecessors, (444), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:28:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 520 transitions. [2024-11-24 01:28:40,242 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 520 transitions. Word has length 134 [2024-11-24 01:28:40,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:40,242 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 520 transitions. [2024-11-24 01:28:40,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 520 transitions. [2024-11-24 01:28:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:40,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:40,248 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:40,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:28:40,249 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:40,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1013635886, now seen corresponding path program 1 times [2024-11-24 01:28:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:40,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074693963] [2024-11-24 01:28:40,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:40,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:41,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:41,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074693963] [2024-11-24 01:28:41,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074693963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:41,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:41,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:28:41,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350852107] [2024-11-24 01:28:41,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:41,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:28:41,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:41,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:28:41,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:28:41,832 INFO L87 Difference]: Start difference. First operand 372 states and 520 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:42,588 INFO L93 Difference]: Finished difference Result 752 states and 1049 transitions. [2024-11-24 01:28:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:28:42,589 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-24 01:28:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:42,592 INFO L225 Difference]: With dead ends: 752 [2024-11-24 01:28:42,593 INFO L226 Difference]: Without dead ends: 383 [2024-11-24 01:28:42,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:28:42,594 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 116 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:42,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1532 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-24 01:28:42,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2024-11-24 01:28:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 337 states have (on average 1.3412462908011868) internal successors, (452), 340 states have internal predecessors, (452), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:28:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2024-11-24 01:28:42,636 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 134 [2024-11-24 01:28:42,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:42,637 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2024-11-24 01:28:42,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2024-11-24 01:28:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:42,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:42,640 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:42,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:28:42,640 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:42,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:42,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1714700464, now seen corresponding path program 1 times [2024-11-24 01:28:42,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:42,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884337037] [2024-11-24 01:28:42,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:42,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:43,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:43,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884337037] [2024-11-24 01:28:43,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884337037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:43,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:43,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:28:43,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601040278] [2024-11-24 01:28:43,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:43,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:28:43,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:43,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:28:43,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:43,871 INFO L87 Difference]: Start difference. First operand 380 states and 528 transitions. Second operand has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:44,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:44,537 INFO L93 Difference]: Finished difference Result 755 states and 1048 transitions. [2024-11-24 01:28:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:44,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-24 01:28:44,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:44,542 INFO L225 Difference]: With dead ends: 755 [2024-11-24 01:28:44,542 INFO L226 Difference]: Without dead ends: 378 [2024-11-24 01:28:44,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:28:44,544 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 106 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:44,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1002 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-24 01:28:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 376. [2024-11-24 01:28:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 332 states have (on average 1.3373493975903614) internal successors, (444), 335 states have internal predecessors, (444), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:28:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 520 transitions. [2024-11-24 01:28:44,623 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 520 transitions. Word has length 134 [2024-11-24 01:28:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:44,627 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 520 transitions. [2024-11-24 01:28:44,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 520 transitions. [2024-11-24 01:28:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:44,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:44,631 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:44,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:28:44,632 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:44,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1154184496, now seen corresponding path program 1 times [2024-11-24 01:28:44,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:44,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829323958] [2024-11-24 01:28:44,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:46,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:46,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829323958] [2024-11-24 01:28:46,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829323958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:46,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:46,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:28:46,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120750226] [2024-11-24 01:28:46,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:46,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:28:46,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:46,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:28:46,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:46,259 INFO L87 Difference]: Start difference. First operand 376 states and 520 transitions. Second operand has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:46,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:46,960 INFO L93 Difference]: Finished difference Result 872 states and 1210 transitions. [2024-11-24 01:28:46,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:46,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-24 01:28:46,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:46,968 INFO L225 Difference]: With dead ends: 872 [2024-11-24 01:28:46,969 INFO L226 Difference]: Without dead ends: 499 [2024-11-24 01:28:46,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:28:46,972 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 109 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:46,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 811 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:46,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-24 01:28:47,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2024-11-24 01:28:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 435 states have (on average 1.3402298850574712) internal successors, (583), 440 states have internal predecessors, (583), 53 states have call successors, (53), 7 states have call predecessors, (53), 7 states have return successors, (53), 48 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-24 01:28:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 689 transitions. [2024-11-24 01:28:47,050 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 689 transitions. Word has length 134 [2024-11-24 01:28:47,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:47,051 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 689 transitions. [2024-11-24 01:28:47,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 689 transitions. [2024-11-24 01:28:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:47,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:47,055 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:47,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:28:47,058 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:47,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:47,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1855249074, now seen corresponding path program 1 times [2024-11-24 01:28:47,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:47,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997761415] [2024-11-24 01:28:47,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:47,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:48,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:48,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997761415] [2024-11-24 01:28:48,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997761415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:48,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:48,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:28:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016322590] [2024-11-24 01:28:48,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:48,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:28:48,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:48,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:28:48,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:48,600 INFO L87 Difference]: Start difference. First operand 496 states and 689 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:49,572 INFO L93 Difference]: Finished difference Result 992 states and 1378 transitions. [2024-11-24 01:28:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:28:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-24 01:28:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:49,577 INFO L225 Difference]: With dead ends: 992 [2024-11-24 01:28:49,577 INFO L226 Difference]: Without dead ends: 499 [2024-11-24 01:28:49,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:28:49,583 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 111 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:49,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1463 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:28:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-24 01:28:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2024-11-24 01:28:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 435 states have (on average 1.3379310344827586) internal successors, (582), 440 states have internal predecessors, (582), 53 states have call successors, (53), 7 states have call predecessors, (53), 7 states have return successors, (53), 48 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-24 01:28:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 688 transitions. [2024-11-24 01:28:49,660 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 688 transitions. Word has length 134 [2024-11-24 01:28:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:49,660 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 688 transitions. [2024-11-24 01:28:49,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 688 transitions. [2024-11-24 01:28:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:49,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:49,664 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:49,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:28:49,664 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:49,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:49,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1842863872, now seen corresponding path program 1 times [2024-11-24 01:28:49,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:49,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720281791] [2024-11-24 01:28:49,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:49,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:51,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:51,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720281791] [2024-11-24 01:28:51,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720281791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:51,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:51,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:28:51,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509903226] [2024-11-24 01:28:51,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:51,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:28:51,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:51,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:28:51,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:51,369 INFO L87 Difference]: Start difference. First operand 496 states and 688 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:52,403 INFO L93 Difference]: Finished difference Result 1207 states and 1677 transitions. [2024-11-24 01:28:52,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:28:52,404 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-24 01:28:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:52,409 INFO L225 Difference]: With dead ends: 1207 [2024-11-24 01:28:52,409 INFO L226 Difference]: Without dead ends: 714 [2024-11-24 01:28:52,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:28:52,411 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 118 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:52,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1388 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:28:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-24 01:28:52,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 595. [2024-11-24 01:28:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 523 states have (on average 1.338432122370937) internal successors, (700), 529 states have internal predecessors, (700), 62 states have call successors, (62), 9 states have call predecessors, (62), 9 states have return successors, (62), 56 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 01:28:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 824 transitions. [2024-11-24 01:28:52,510 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 824 transitions. Word has length 134 [2024-11-24 01:28:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:52,512 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 824 transitions. [2024-11-24 01:28:52,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:28:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 824 transitions. [2024-11-24 01:28:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:52,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:52,516 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:52,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:28:52,517 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:52,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:52,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1141799294, now seen corresponding path program 1 times [2024-11-24 01:28:52,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:52,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100899451] [2024-11-24 01:28:52,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:52,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:53,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:53,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100899451] [2024-11-24 01:28:53,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100899451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:53,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:53,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:28:53,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133597389] [2024-11-24 01:28:53,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:53,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:28:53,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:53,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:28:53,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:53,749 INFO L87 Difference]: Start difference. First operand 595 states and 824 transitions. Second operand has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:54,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:54,529 INFO L93 Difference]: Finished difference Result 1255 states and 1741 transitions. [2024-11-24 01:28:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:54,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-24 01:28:54,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:54,536 INFO L225 Difference]: With dead ends: 1255 [2024-11-24 01:28:54,536 INFO L226 Difference]: Without dead ends: 712 [2024-11-24 01:28:54,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:28:54,541 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 111 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:54,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1072 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-24 01:28:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 593. [2024-11-24 01:28:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 521 states have (on average 1.3358925143953935) internal successors, (696), 527 states have internal predecessors, (696), 62 states have call successors, (62), 9 states have call predecessors, (62), 9 states have return successors, (62), 56 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 01:28:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 820 transitions. [2024-11-24 01:28:54,638 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 820 transitions. Word has length 134 [2024-11-24 01:28:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:54,639 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 820 transitions. [2024-11-24 01:28:54,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 820 transitions. [2024-11-24 01:28:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:54,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:54,642 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:54,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:28:54,643 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:54,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:54,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1442433993, now seen corresponding path program 1 times [2024-11-24 01:28:54,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:54,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678549886] [2024-11-24 01:28:54,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:54,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:55,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:55,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678549886] [2024-11-24 01:28:55,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678549886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:55,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:55,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:55,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709902570] [2024-11-24 01:28:55,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:55,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:55,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:55,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:55,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:55,486 INFO L87 Difference]: Start difference. First operand 593 states and 820 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:56,609 INFO L93 Difference]: Finished difference Result 1156 states and 1596 transitions. [2024-11-24 01:28:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:28:56,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:56,618 INFO L225 Difference]: With dead ends: 1156 [2024-11-24 01:28:56,618 INFO L226 Difference]: Without dead ends: 615 [2024-11-24 01:28:56,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:56,620 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 49 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:56,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 683 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:28:56,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2024-11-24 01:28:56,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 579. [2024-11-24 01:28:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 507 states have (on average 1.3274161735700196) internal successors, (673), 513 states have internal predecessors, (673), 62 states have call successors, (62), 9 states have call predecessors, (62), 9 states have return successors, (62), 56 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 01:28:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 797 transitions. [2024-11-24 01:28:56,696 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 797 transitions. Word has length 134 [2024-11-24 01:28:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:56,697 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 797 transitions. [2024-11-24 01:28:56,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:28:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 797 transitions. [2024-11-24 01:28:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:56,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:56,700 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:56,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:28:56,700 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:56,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:56,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1702315262, now seen corresponding path program 1 times [2024-11-24 01:28:56,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:56,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542468047] [2024-11-24 01:28:56,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:56,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:28:57,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542468047] [2024-11-24 01:28:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542468047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:57,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:57,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:28:57,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603243039] [2024-11-24 01:28:57,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:57,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:28:57,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:57,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:28:57,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:57,807 INFO L87 Difference]: Start difference. First operand 579 states and 797 transitions. Second operand has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:58,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:58,486 INFO L93 Difference]: Finished difference Result 1113 states and 1528 transitions. [2024-11-24 01:28:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:58,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-24 01:28:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:58,491 INFO L225 Difference]: With dead ends: 1113 [2024-11-24 01:28:58,492 INFO L226 Difference]: Without dead ends: 586 [2024-11-24 01:28:58,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:28:58,494 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 109 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:58,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 813 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:58,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-24 01:28:58,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 473. [2024-11-24 01:28:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 417 states have (on average 1.3093525179856116) internal successors, (546), 421 states have internal predecessors, (546), 47 states have call successors, (47), 8 states have call predecessors, (47), 8 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 01:28:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2024-11-24 01:28:58,567 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 134 [2024-11-24 01:28:58,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:58,568 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2024-11-24 01:28:58,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.4) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:28:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2024-11-24 01:28:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:58,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:58,572 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:58,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:28:58,572 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:58,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1001250684, now seen corresponding path program 1 times [2024-11-24 01:28:58,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:58,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690137243] [2024-11-24 01:28:58,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:00,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:00,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690137243] [2024-11-24 01:29:00,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690137243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:00,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:00,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:29:00,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270697521] [2024-11-24 01:29:00,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:00,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:29:00,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:00,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:29:00,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:29:00,484 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand has 11 states, 9 states have (on average 6.888888888888889) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:29:01,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:01,742 INFO L93 Difference]: Finished difference Result 1007 states and 1370 transitions. [2024-11-24 01:29:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:29:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.888888888888889) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-24 01:29:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:01,748 INFO L225 Difference]: With dead ends: 1007 [2024-11-24 01:29:01,748 INFO L226 Difference]: Without dead ends: 586 [2024-11-24 01:29:01,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:29:01,750 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 109 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:01,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 2036 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:29:01,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-24 01:29:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 465. [2024-11-24 01:29:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 409 states have (on average 1.312958435207824) internal successors, (537), 413 states have internal predecessors, (537), 47 states have call successors, (47), 8 states have call predecessors, (47), 8 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 01:29:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 631 transitions. [2024-11-24 01:29:01,816 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 631 transitions. Word has length 134 [2024-11-24 01:29:01,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:01,817 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 631 transitions. [2024-11-24 01:29:01,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.888888888888889) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:29:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 631 transitions. [2024-11-24 01:29:01,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 01:29:01,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:01,819 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:01,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:29:01,820 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:01,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:01,820 INFO L85 PathProgramCache]: Analyzing trace with hash 737974477, now seen corresponding path program 1 times [2024-11-24 01:29:01,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:01,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804488740] [2024-11-24 01:29:01,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:02,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:02,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804488740] [2024-11-24 01:29:02,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804488740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:02,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:02,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:29:02,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245237685] [2024-11-24 01:29:02,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:02,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:29:02,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:02,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:29:02,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:29:02,585 INFO L87 Difference]: Start difference. First operand 465 states and 631 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:03,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:03,188 INFO L93 Difference]: Finished difference Result 1031 states and 1395 transitions. [2024-11-24 01:29:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:29:03,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2024-11-24 01:29:03,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:03,193 INFO L225 Difference]: With dead ends: 1031 [2024-11-24 01:29:03,194 INFO L226 Difference]: Without dead ends: 618 [2024-11-24 01:29:03,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:03,196 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 217 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:03,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 915 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:29:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-24 01:29:03,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 481. [2024-11-24 01:29:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 425 states have (on average 1.3105882352941176) internal successors, (557), 429 states have internal predecessors, (557), 47 states have call successors, (47), 8 states have call predecessors, (47), 8 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 01:29:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 651 transitions. [2024-11-24 01:29:03,277 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 651 transitions. Word has length 135 [2024-11-24 01:29:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:03,278 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 651 transitions. [2024-11-24 01:29:03,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 651 transitions. [2024-11-24 01:29:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:03,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:03,281 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:03,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:29:03,281 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:03,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash -492790084, now seen corresponding path program 1 times [2024-11-24 01:29:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105015557] [2024-11-24 01:29:03,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:04,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:04,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105015557] [2024-11-24 01:29:04,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105015557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:04,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:04,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:29:04,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405777019] [2024-11-24 01:29:04,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:04,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:29:04,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:04,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:29:04,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:29:04,596 INFO L87 Difference]: Start difference. First operand 481 states and 651 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:05,395 INFO L93 Difference]: Finished difference Result 501 states and 672 transitions. [2024-11-24 01:29:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:29:05,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:05,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:05,399 INFO L225 Difference]: With dead ends: 501 [2024-11-24 01:29:05,399 INFO L226 Difference]: Without dead ends: 499 [2024-11-24 01:29:05,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:29:05,401 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 175 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:05,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1342 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:29:05,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-24 01:29:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 487. [2024-11-24 01:29:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 431 states have (on average 1.3062645011600929) internal successors, (563), 435 states have internal predecessors, (563), 47 states have call successors, (47), 8 states have call predecessors, (47), 8 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 01:29:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 657 transitions. [2024-11-24 01:29:05,477 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 657 transitions. Word has length 137 [2024-11-24 01:29:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:05,478 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 657 transitions. [2024-11-24 01:29:05,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 657 transitions. [2024-11-24 01:29:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:05,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:05,481 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:05,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:29:05,481 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:05,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:05,482 INFO L85 PathProgramCache]: Analyzing trace with hash -490943042, now seen corresponding path program 1 times [2024-11-24 01:29:05,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:05,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001526853] [2024-11-24 01:29:05,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:05,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:07,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:07,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001526853] [2024-11-24 01:29:07,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001526853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:07,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:07,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:29:07,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102338217] [2024-11-24 01:29:07,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:07,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:29:07,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:07,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:29:07,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:29:07,273 INFO L87 Difference]: Start difference. First operand 487 states and 657 transitions. Second operand has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:29:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:08,072 INFO L93 Difference]: Finished difference Result 1318 states and 1773 transitions. [2024-11-24 01:29:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:29:08,073 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 137 [2024-11-24 01:29:08,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:08,079 INFO L225 Difference]: With dead ends: 1318 [2024-11-24 01:29:08,079 INFO L226 Difference]: Without dead ends: 883 [2024-11-24 01:29:08,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:29:08,083 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 103 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:08,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1258 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:29:08,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-24 01:29:08,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 665. [2024-11-24 01:29:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 609 states have (on average 1.29064039408867) internal successors, (786), 613 states have internal predecessors, (786), 47 states have call successors, (47), 8 states have call predecessors, (47), 8 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 01:29:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 880 transitions. [2024-11-24 01:29:08,194 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 880 transitions. Word has length 137 [2024-11-24 01:29:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:08,195 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 880 transitions. [2024-11-24 01:29:08,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:29:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 880 transitions. [2024-11-24 01:29:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:08,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:08,200 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:08,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:29:08,200 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:08,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1954505368, now seen corresponding path program 1 times [2024-11-24 01:29:08,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:08,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255340681] [2024-11-24 01:29:08,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:09,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:09,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255340681] [2024-11-24 01:29:09,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255340681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:09,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:09,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:29:09,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307908048] [2024-11-24 01:29:09,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:09,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:29:09,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:09,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:29:09,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:09,247 INFO L87 Difference]: Start difference. First operand 665 states and 880 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:10,342 INFO L93 Difference]: Finished difference Result 1310 states and 1727 transitions. [2024-11-24 01:29:10,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:29:10,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:10,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:10,347 INFO L225 Difference]: With dead ends: 1310 [2024-11-24 01:29:10,347 INFO L226 Difference]: Without dead ends: 697 [2024-11-24 01:29:10,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:29:10,350 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 303 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:10,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 848 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:29:10,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-24 01:29:10,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 677. [2024-11-24 01:29:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 616 states have (on average 1.2840909090909092) internal successors, (791), 620 states have internal predecessors, (791), 51 states have call successors, (51), 9 states have call predecessors, (51), 9 states have return successors, (51), 47 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:29:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 893 transitions. [2024-11-24 01:29:10,438 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 893 transitions. Word has length 137 [2024-11-24 01:29:10,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:10,439 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 893 transitions. [2024-11-24 01:29:10,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 893 transitions. [2024-11-24 01:29:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:10,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:10,441 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:10,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 01:29:10,442 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:10,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:10,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1522813478, now seen corresponding path program 1 times [2024-11-24 01:29:10,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:10,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150316836] [2024-11-24 01:29:10,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:10,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:11,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:11,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150316836] [2024-11-24 01:29:11,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150316836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:11,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:11,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:29:11,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191815626] [2024-11-24 01:29:11,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:11,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:29:11,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:11,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:29:11,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:29:11,646 INFO L87 Difference]: Start difference. First operand 677 states and 893 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:13,005 INFO L93 Difference]: Finished difference Result 1586 states and 2085 transitions. [2024-11-24 01:29:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:29:13,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:13,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:13,012 INFO L225 Difference]: With dead ends: 1586 [2024-11-24 01:29:13,012 INFO L226 Difference]: Without dead ends: 961 [2024-11-24 01:29:13,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:29:13,015 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 142 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:13,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 2061 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:29:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-24 01:29:13,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 658. [2024-11-24 01:29:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 604 states have (on average 1.2897350993377483) internal successors, (779), 607 states have internal predecessors, (779), 45 states have call successors, (45), 8 states have call predecessors, (45), 8 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 01:29:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 869 transitions. [2024-11-24 01:29:13,126 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 869 transitions. Word has length 137 [2024-11-24 01:29:13,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:13,127 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 869 transitions. [2024-11-24 01:29:13,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 869 transitions. [2024-11-24 01:29:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:13,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:13,130 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:13,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 01:29:13,131 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:13,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:13,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2013380424, now seen corresponding path program 1 times [2024-11-24 01:29:13,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:13,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088795926] [2024-11-24 01:29:13,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:13,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:14,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:14,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088795926] [2024-11-24 01:29:14,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088795926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:14,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:14,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:29:14,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707553470] [2024-11-24 01:29:14,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:14,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:29:14,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:14,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:29:14,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:14,370 INFO L87 Difference]: Start difference. First operand 658 states and 869 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:15,046 INFO L93 Difference]: Finished difference Result 728 states and 959 transitions. [2024-11-24 01:29:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:29:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:15,051 INFO L225 Difference]: With dead ends: 728 [2024-11-24 01:29:15,051 INFO L226 Difference]: Without dead ends: 726 [2024-11-24 01:29:15,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:29:15,053 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 105 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:15,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1179 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:29:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-24 01:29:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 576. [2024-11-24 01:29:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 539 states have (on average 1.2894248608534322) internal successors, (695), 541 states have internal predecessors, (695), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 755 transitions. [2024-11-24 01:29:15,170 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 755 transitions. Word has length 137 [2024-11-24 01:29:15,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:15,171 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 755 transitions. [2024-11-24 01:29:15,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 755 transitions. [2024-11-24 01:29:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:15,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:15,175 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:15,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 01:29:15,176 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:15,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:15,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1184114780, now seen corresponding path program 1 times [2024-11-24 01:29:15,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:15,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069596610] [2024-11-24 01:29:15,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:15,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:15,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069596610] [2024-11-24 01:29:15,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069596610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:15,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:15,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:29:15,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819833122] [2024-11-24 01:29:15,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:15,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:29:15,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:15,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:29:15,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:29:15,964 INFO L87 Difference]: Start difference. First operand 576 states and 755 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:29:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:17,051 INFO L93 Difference]: Finished difference Result 1386 states and 1797 transitions. [2024-11-24 01:29:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:29:17,052 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:29:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:17,056 INFO L225 Difference]: With dead ends: 1386 [2024-11-24 01:29:17,057 INFO L226 Difference]: Without dead ends: 813 [2024-11-24 01:29:17,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:29:17,059 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 134 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:17,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1829 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:29:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-24 01:29:17,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 576. [2024-11-24 01:29:17,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 539 states have (on average 1.2894248608534322) internal successors, (695), 541 states have internal predecessors, (695), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 755 transitions. [2024-11-24 01:29:17,155 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 755 transitions. Word has length 137 [2024-11-24 01:29:17,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:17,156 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 755 transitions. [2024-11-24 01:29:17,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:29:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 755 transitions. [2024-11-24 01:29:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:17,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:17,158 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:17,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 01:29:17,159 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:17,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:17,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1830988838, now seen corresponding path program 1 times [2024-11-24 01:29:17,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:17,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866766226] [2024-11-24 01:29:17,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:17,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:18,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:18,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866766226] [2024-11-24 01:29:18,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866766226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:18,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:18,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:29:18,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052779677] [2024-11-24 01:29:18,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:18,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:29:18,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:18,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:29:18,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:18,135 INFO L87 Difference]: Start difference. First operand 576 states and 755 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:19,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:19,259 INFO L93 Difference]: Finished difference Result 1439 states and 1889 transitions. [2024-11-24 01:29:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:29:19,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:19,265 INFO L225 Difference]: With dead ends: 1439 [2024-11-24 01:29:19,265 INFO L226 Difference]: Without dead ends: 866 [2024-11-24 01:29:19,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:29:19,267 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 257 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:19,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1105 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:29:19,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-24 01:29:19,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 576. [2024-11-24 01:29:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 539 states have (on average 1.2857142857142858) internal successors, (693), 541 states have internal predecessors, (693), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:19,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 753 transitions. [2024-11-24 01:29:19,366 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 753 transitions. Word has length 137 [2024-11-24 01:29:19,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:19,367 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 753 transitions. [2024-11-24 01:29:19,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 753 transitions. [2024-11-24 01:29:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:19,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:19,370 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:19,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 01:29:19,372 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:19,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:19,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2001763230, now seen corresponding path program 1 times [2024-11-24 01:29:19,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:19,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033555663] [2024-11-24 01:29:19,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:19,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:19,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:19,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033555663] [2024-11-24 01:29:19,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033555663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:19,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:19,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:29:19,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713814326] [2024-11-24 01:29:19,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:19,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:29:19,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:19,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:29:19,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:29:19,707 INFO L87 Difference]: Start difference. First operand 576 states and 753 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:29:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:20,318 INFO L93 Difference]: Finished difference Result 1339 states and 1741 transitions. [2024-11-24 01:29:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:29:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:29:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:20,323 INFO L225 Difference]: With dead ends: 1339 [2024-11-24 01:29:20,323 INFO L226 Difference]: Without dead ends: 766 [2024-11-24 01:29:20,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:29:20,325 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 127 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:20,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 491 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:29:20,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-24 01:29:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 564. [2024-11-24 01:29:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 527 states have (on average 1.2732447817836812) internal successors, (671), 529 states have internal predecessors, (671), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 731 transitions. [2024-11-24 01:29:20,422 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 731 transitions. Word has length 137 [2024-11-24 01:29:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 731 transitions. [2024-11-24 01:29:20,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:29:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 731 transitions. [2024-11-24 01:29:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:20,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:20,425 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:20,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 01:29:20,425 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:20,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1669416001, now seen corresponding path program 1 times [2024-11-24 01:29:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:20,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500010075] [2024-11-24 01:29:20,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:21,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:21,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500010075] [2024-11-24 01:29:21,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500010075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:21,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:21,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:29:21,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66348317] [2024-11-24 01:29:21,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:21,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:29:21,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:21,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:29:21,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:21,339 INFO L87 Difference]: Start difference. First operand 564 states and 731 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:22,557 INFO L93 Difference]: Finished difference Result 1330 states and 1731 transitions. [2024-11-24 01:29:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:29:22,557 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:22,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:22,563 INFO L225 Difference]: With dead ends: 1330 [2024-11-24 01:29:22,564 INFO L226 Difference]: Without dead ends: 769 [2024-11-24 01:29:22,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:29:22,566 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 220 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:22,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1077 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:29:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-24 01:29:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 542. [2024-11-24 01:29:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 505 states have (on average 1.2613861386138614) internal successors, (637), 507 states have internal predecessors, (637), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 697 transitions. [2024-11-24 01:29:22,701 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 697 transitions. Word has length 137 [2024-11-24 01:29:22,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:22,701 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 697 transitions. [2024-11-24 01:29:22,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 697 transitions. [2024-11-24 01:29:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:29:22,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:22,703 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:22,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 01:29:22,703 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:22,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:22,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2116078205, now seen corresponding path program 1 times [2024-11-24 01:29:22,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:22,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235186990] [2024-11-24 01:29:22,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:22,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:23,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:23,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235186990] [2024-11-24 01:29:23,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235186990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:23,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:23,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:29:23,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793517703] [2024-11-24 01:29:23,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:23,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:29:23,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:23,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:29:23,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:29:23,499 INFO L87 Difference]: Start difference. First operand 542 states and 697 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:24,512 INFO L93 Difference]: Finished difference Result 1280 states and 1655 transitions. [2024-11-24 01:29:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:29:24,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:29:24,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:24,518 INFO L225 Difference]: With dead ends: 1280 [2024-11-24 01:29:24,518 INFO L226 Difference]: Without dead ends: 741 [2024-11-24 01:29:24,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:29:24,521 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 220 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:24,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 904 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:29:24,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-24 01:29:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 514. [2024-11-24 01:29:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 477 states have (on average 1.2473794549266248) internal successors, (595), 479 states have internal predecessors, (595), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 655 transitions. [2024-11-24 01:29:24,627 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 655 transitions. Word has length 137 [2024-11-24 01:29:24,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:24,627 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 655 transitions. [2024-11-24 01:29:24,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 655 transitions. [2024-11-24 01:29:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:29:24,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:24,630 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:24,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 01:29:24,631 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:24,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:24,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1878601949, now seen corresponding path program 1 times [2024-11-24 01:29:24,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:24,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134852321] [2024-11-24 01:29:24,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:24,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:25,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134852321] [2024-11-24 01:29:25,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134852321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:25,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:25,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:29:25,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832949419] [2024-11-24 01:29:25,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:25,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:29:25,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:25,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:29:25,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:25,932 INFO L87 Difference]: Start difference. First operand 514 states and 655 transitions. Second operand has 8 states, 6 states have (on average 11.166666666666666) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:29:26,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:26,494 INFO L93 Difference]: Finished difference Result 1162 states and 1494 transitions. [2024-11-24 01:29:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:29:26,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.166666666666666) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 139 [2024-11-24 01:29:26,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:26,497 INFO L225 Difference]: With dead ends: 1162 [2024-11-24 01:29:26,497 INFO L226 Difference]: Without dead ends: 651 [2024-11-24 01:29:26,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:29:26,498 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:26,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 714 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:29:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-24 01:29:26,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 514. [2024-11-24 01:29:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 477 states have (on average 1.2431865828092243) internal successors, (593), 479 states have internal predecessors, (593), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:29:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 653 transitions. [2024-11-24 01:29:26,587 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 653 transitions. Word has length 139 [2024-11-24 01:29:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:26,588 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 653 transitions. [2024-11-24 01:29:26,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.166666666666666) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:29:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 653 transitions. [2024-11-24 01:29:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:29:26,589 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:26,590 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:26,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 01:29:26,590 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:26,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:26,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1738053339, now seen corresponding path program 1 times [2024-11-24 01:29:26,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:26,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780163645] [2024-11-24 01:29:26,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:29:26,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663308878] [2024-11-24 01:29:26,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:26,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:29:26,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:26,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:29:26,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:29:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:27,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 01:29:27,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:29:27,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 01:29:29,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-24 01:29:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 276 proven. 18 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-24 01:29:29,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:29:34,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:34,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780163645] [2024-11-24 01:29:34,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 01:29:34,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663308878] [2024-11-24 01:29:34,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663308878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:29:34,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:29:34,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-24 01:29:34,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010023912] [2024-11-24 01:29:34,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 01:29:34,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:29:34,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:34,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:29:34,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:29:34,322 INFO L87 Difference]: Start difference. First operand 514 states and 653 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-24 01:29:35,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:35,373 INFO L93 Difference]: Finished difference Result 1419 states and 1792 transitions. [2024-11-24 01:29:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:29:35,374 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 139 [2024-11-24 01:29:35,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:35,377 INFO L225 Difference]: With dead ends: 1419 [2024-11-24 01:29:35,377 INFO L226 Difference]: Without dead ends: 777 [2024-11-24 01:29:35,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:29:35,378 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 305 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:35,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 694 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:29:35,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-24 01:29:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 586. [2024-11-24 01:29:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 530 states have (on average 1.241509433962264) internal successors, (658), 532 states have internal predecessors, (658), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 01:29:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 748 transitions. [2024-11-24 01:29:35,533 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 748 transitions. Word has length 139 [2024-11-24 01:29:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:35,534 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 748 transitions. [2024-11-24 01:29:35,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-24 01:29:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 748 transitions. [2024-11-24 01:29:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:29:35,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:35,536 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:35,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:29:35,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-24 01:29:35,737 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:35,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:35,737 INFO L85 PathProgramCache]: Analyzing trace with hash -573004207, now seen corresponding path program 1 times [2024-11-24 01:29:35,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:35,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035396650] [2024-11-24 01:29:35,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:35,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:29:36,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:36,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035396650] [2024-11-24 01:29:36,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035396650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:36,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:36,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:29:36,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526400743] [2024-11-24 01:29:36,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:36,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:29:36,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:36,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:29:36,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:29:36,671 INFO L87 Difference]: Start difference. First operand 586 states and 748 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:37,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:37,360 INFO L93 Difference]: Finished difference Result 1238 states and 1589 transitions. [2024-11-24 01:29:37,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:29:37,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2024-11-24 01:29:37,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:37,365 INFO L225 Difference]: With dead ends: 1238 [2024-11-24 01:29:37,365 INFO L226 Difference]: Without dead ends: 727 [2024-11-24 01:29:37,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:29:37,367 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 111 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:37,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 640 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:29:37,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-24 01:29:37,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 586. [2024-11-24 01:29:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 530 states have (on average 1.239622641509434) internal successors, (657), 532 states have internal predecessors, (657), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 01:29:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 747 transitions. [2024-11-24 01:29:37,523 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 747 transitions. Word has length 139 [2024-11-24 01:29:37,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:37,524 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 747 transitions. [2024-11-24 01:29:37,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:29:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 747 transitions. [2024-11-24 01:29:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:29:37,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:37,527 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:37,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 01:29:37,527 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:37,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -432455597, now seen corresponding path program 1 times [2024-11-24 01:29:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:37,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999985605] [2024-11-24 01:29:37,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:29:37,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835499913] [2024-11-24 01:29:37,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:37,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:29:37,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:37,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:29:37,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:29:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:29:38,561 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:29:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:29:39,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:29:39,014 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:29:39,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:29:39,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:29:39,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:29:39,221 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:39,379 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:29:39,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:29:39 BoogieIcfgContainer [2024-11-24 01:29:39,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:29:39,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:29:39,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:29:39,385 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:29:39,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:28:24" (3/4) ... [2024-11-24 01:29:39,390 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:29:39,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:29:39,392 INFO L158 Benchmark]: Toolchain (without parser) took 77034.82ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 92.3MB in the beginning and 247.8MB in the end (delta: -155.5MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-11-24 01:29:39,392 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:29:39,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.23ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 76.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:29:39,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.62ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:29:39,393 INFO L158 Benchmark]: Boogie Preprocessor took 129.76ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 66.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:29:39,393 INFO L158 Benchmark]: RCFGBuilder took 1178.60ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 84.3MB in the end (delta: -17.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-24 01:29:39,394 INFO L158 Benchmark]: TraceAbstraction took 75106.27ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 83.8MB in the beginning and 247.8MB in the end (delta: -164.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-11-24 01:29:39,394 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 343.9MB. Free memory was 247.8MB in the beginning and 247.8MB in the end (delta: 37.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:29:39,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.23ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 76.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.62ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 129.76ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 66.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.60ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 84.3MB in the end (delta: -17.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 75106.27ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 83.8MB in the beginning and 247.8MB in the end (delta: -164.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 343.9MB. Free memory was 247.8MB in the beginning and 247.8MB in the end (delta: 37.2kB). 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 70, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {99.6, 127.5}, {256.5, 16.5} }; [L22-L24] float float_Array_0[2][2] = { {99.6, 127.5}, {256.5, 16.5} }; [L22-L24] float float_Array_0[2][2] = { {99.6, 127.5}, {256.5, 16.5} }; [L22-L24] float float_Array_0[2][2] = { {99.6, 127.5}, {256.5, 16.5} }; [L22-L24] float float_Array_0[2][2] = { {99.6, 127.5}, {256.5, 16.5} }; [L25-L27] signed short int signed_short_int_Array_0[1] = { -25 }; [L25-L27] signed short int signed_short_int_Array_0[1] = { -25 }; [L28-L30] unsigned char unsigned_char_Array_0[2][2] = { {4, 8}, {4, 0} }; [L28-L30] unsigned char unsigned_char_Array_0[2][2] = { {4, 8}, {4, 0} }; [L28-L30] unsigned char unsigned_char_Array_0[2][2] = { {4, 8}, {4, 0} }; [L28-L30] unsigned char unsigned_char_Array_0[2][2] = { {4, 8}, {4, 0} }; [L28-L30] unsigned char unsigned_char_Array_0[2][2] = { {4, 8}, {4, 0} }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 10, 4288034294 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 10, 4288034294 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 10, 4288034294 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 4, 5 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 4, 5 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 4, 5 }; [L37] unsigned char last_1_unsigned_char_Array_0_1__1_ = 0; [L38] unsigned long int last_1_unsigned_long_int_Array_0_0_ = 10; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] isInitial = 1 [L98] FCALL initially() [L100] CALL updateLastVariables() [L89] EXPR unsigned_char_Array_0[1][1] [L89] last_1_unsigned_char_Array_0_1__1_ = unsigned_char_Array_0[1][1] [L90] EXPR unsigned_long_int_Array_0[0] [L90] last_1_unsigned_long_int_Array_0_0_ = unsigned_long_int_Array_0[0] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L64] float_Array_0[0][0] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[0][0] [L65] EXPR float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] EXPR float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F [L65] EXPR float_Array_0[0][0] [L65] EXPR float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] EXPR (float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] EXPR (float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] CALL assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] RET assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854776000e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] float_Array_0[1][0] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[1][0] [L67] EXPR float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] EXPR float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F [L67] EXPR float_Array_0[1][0] [L67] EXPR float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] EXPR (float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] EXPR (float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] CALL assume_abort_if_not((float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] RET assume_abort_if_not((float_Array_0[1][0] >= -922337.2036854776000e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] EXPR float_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(float_Array_0[1][0] != 0.0F) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] RET assume_abort_if_not(float_Array_0[1][0] != 0.0F) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] float_Array_0[0][1] = __VERIFIER_nondet_float() [L70] EXPR float_Array_0[0][1] [L70] EXPR float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F [L70] EXPR float_Array_0[0][1] [L70] EXPR float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR (float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR (float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not((float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] RET assume_abort_if_not((float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] float_Array_0[1][1] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[1][1] [L72] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F [L72] EXPR float_Array_0[1][1] [L72] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] EXPR (float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] EXPR (float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR float_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(float_Array_0[1][1] != 0.0F) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not(float_Array_0[1][1] != 0.0F) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L75] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L79] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 254) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 254) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[0][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] RET assume_abort_if_not(unsigned_char_Array_0[0][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[0][1] <= 254) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] RET assume_abort_if_not(unsigned_char_Array_0[0][1] <= 254) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L85] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L101] RET updateVariables() [L102] CALL step() [L42] EXPR signed_short_int_Array_0[0] [L42] unsigned long int stepLocal_2 = last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]; [L43] COND TRUE stepLocal_2 != (last_1_unsigned_char_Array_0_1__1_ - 64) [L44] EXPR unsigned_char_Array_0[1][0] [L44] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L44] EXPR ((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]) [L44] EXPR unsigned_char_Array_0[1][0] [L44] EXPR ((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L44] unsigned_char_Array_0[0][0] = ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))) [L48] EXPR float_Array_0[0][0] [L48] EXPR float_Array_0[0][1] [L48] EXPR float_Array_0[1][1] [L48] EXPR float_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L48] EXPR ((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]) [L48] EXPR float_Array_0[1][0] [L48] EXPR ((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L48] COND TRUE (- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0])))) [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0]) [L49] EXPR unsigned_char_Array_0[0][0] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L49] unsigned_long_int_Array_0[0] = (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))) [L53] EXPR unsigned_char_Array_0[0][1] [L53] unsigned_char_Array_0[1][1] = unsigned_char_Array_0[0][1] [L54] EXPR unsigned_char_Array_0[1][1] [L54] unsigned_short_int_Array_0[0] = unsigned_char_Array_0[1][1] [L55] EXPR signed_short_int_Array_0[0] [L55] signed long int stepLocal_1 = - signed_short_int_Array_0[0]; [L56] EXPR unsigned_short_int_Array_0[0] [L56] EXPR signed_short_int_Array_0[0] [L56] signed long int stepLocal_0 = unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]; [L57] EXPR unsigned_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L57] COND FALSE !(stepLocal_0 >= unsigned_short_int_Array_0[0]) [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR unsigned_short_int_Array_0[0] [L93] EXPR signed_short_int_Array_0[0] [L93] EXPR unsigned_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1 [L93] EXPR ((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1 VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR (((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR (((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1])) [L93] EXPR unsigned_short_int_Array_0[0] [L93] EXPR unsigned_char_Array_0[1][1] [L93] EXPR (((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))))) [L93] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))) [L93] EXPR unsigned_char_Array_0[0][0] [L93] EXPR unsigned_char_Array_0[1][0] [L93] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]) [L93] EXPR unsigned_char_Array_0[1][0] [L93] EXPR ((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR (((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))))) && (((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0])))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR (((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))))) && (((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0])))) [L93] EXPR float_Array_0[0][0] [L93] EXPR float_Array_0[0][1] [L93] EXPR float_Array_0[1][1] [L93] EXPR float_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]) [L93] EXPR float_Array_0[1][1] [L93] EXPR ((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0]))) [L93] EXPR unsigned_long_int_Array_0[0] [L93] EXPR unsigned_long_int_Array_0[1] [L93] EXPR unsigned_char_Array_0[1][0] [L93] EXPR ((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR (((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))))) && (((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0])))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))))) && (((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0]))))) && (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR ((((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))))) && (((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0]))))) && (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93-L94] return ((((((unsigned_short_int_Array_0[0] / signed_short_int_Array_0[0]) >= unsigned_short_int_Array_0[0]) ? (((- signed_short_int_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((unsigned_char_Array_0[0][0]) < (unsigned_char_Array_0[1][1])) ? (unsigned_char_Array_0[0][0]) : (unsigned_char_Array_0[1][1]))))) : 1) : 1) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[1][1]))) && (((last_1_unsigned_long_int_Array_0_0_ / signed_short_int_Array_0[0]) != (last_1_unsigned_char_Array_0_1__1_ - 64)) ? (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][0]) > (unsigned_char_Array_0[0][1])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][1]))))) : (unsigned_char_Array_0[0][0] == ((unsigned char) ((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0]))))))) && (((- (float_Array_0[0][0] / 0.6f)) > ((float_Array_0[0][1] + 3.25f) / ((((float_Array_0[1][1]) < (float_Array_0[1][0])) ? (float_Array_0[1][1]) : (float_Array_0[1][0]))))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (500u + ((((unsigned_char_Array_0[1][0]) < (unsigned_char_Array_0[0][0])) ? (unsigned_char_Array_0[1][0]) : (unsigned_char_Array_0[0][0])))))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) (unsigned_long_int_Array_0[1] - unsigned_char_Array_0[1][0]))))) && (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][1])) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1__1_=0, last_1_unsigned_long_int_Array_0_0_=10, signed_short_int_Array_0={5:0}, unsigned_char_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 74.8s, OverallIterations: 33, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4092 SdHoareTripleChecker+Valid, 18.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4066 mSDsluCounter, 30724 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24819 mSDsCounter, 331 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10411 IncrementalHoareTripleChecker+Invalid, 10742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 331 mSolverCounterUnsat, 5905 mSDtfsCounter, 10411 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1050 GetRequests, 772 SyntacticMatches, 2 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=677occurred in iteration=22, InterpolantAutomatonStates: 265, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 32 MinimizatonAttempts, 3196 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 37.9s InterpolantComputationTime, 5121 NumberOfCodeBlocks, 5121 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 4669 ConstructedInterpolants, 0 QuantifiedInterpolants, 18710 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1862 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 35 InterpolantComputations, 31 PerfectInterpolantSequences, 14624/14700 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:29:39,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/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_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/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_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/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_bbc784e1-87fe-436c-9918-5a490b68e1d8/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 f0c11a71501857fba3402e4bb377289983d3b24a383b44d5d668b185a2e73be4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:29:42,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:29:42,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:29:42,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:29:42,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:29:43,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:29:43,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:29:43,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:29:43,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:29:43,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:29:43,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:29:43,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:29:43,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:29:43,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:29:43,024 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:29:43,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:29:43,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:29:43,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:29:43,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:29:43,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:29:43,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:29:43,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:29:43,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:43,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:43,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:43,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:43,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:29:43,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:43,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:43,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:43,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:43,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:29:43,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:29:43,029 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:29:43,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:29:43,030 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:29:43,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:29:43,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:29:43,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:29:43,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:29:43,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:29:43,031 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_bbc784e1-87fe-436c-9918-5a490b68e1d8/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 -> f0c11a71501857fba3402e4bb377289983d3b24a383b44d5d668b185a2e73be4 [2024-11-24 01:29:43,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:29:43,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:29:43,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:29:43,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:29:43,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:29:43,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i [2024-11-24 01:29:46,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/9ae079eb2/688d3ade5c8e4775b7b47d541c5b387b/FLAG264744d55 [2024-11-24 01:29:47,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:29:47,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i [2024-11-24 01:29:47,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/9ae079eb2/688d3ade5c8e4775b7b47d541c5b387b/FLAG264744d55 [2024-11-24 01:29:47,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/data/9ae079eb2/688d3ade5c8e4775b7b47d541c5b387b [2024-11-24 01:29:47,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:29:47,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:29:47,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:47,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:29:47,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:29:47,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b7da8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47, skipping insertion in model container [2024-11-24 01:29:47,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:29:47,703 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_bbc784e1-87fe-436c-9918-5a490b68e1d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i[915,928] [2024-11-24 01:29:47,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:47,878 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:29:47,892 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-4.i[915,928] [2024-11-24 01:29:47,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:48,013 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:29:48,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48 WrapperNode [2024-11-24 01:29:48,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:48,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:48,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:29:48,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:29:48,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,110 INFO L138 Inliner]: procedures = 36, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2024-11-24 01:29:48,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:48,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:29:48,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:29:48,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:29:48,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,164 INFO L175 MemorySlicer]: Split 130 memory accesses to 6 slices as follows [2, 38, 11, 55, 12, 12]. 42 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 4, 1, 4, 2, 2]. The 15 writes are split as follows [0, 4, 1, 5, 3, 2]. [2024-11-24 01:29:48,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:29:48,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:29:48,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:29:48,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:29:48,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (1/1) ... [2024-11-24 01:29:48,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:48,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:29:48,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:29:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:29:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 01:29:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 01:29:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 01:29:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 01:29:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 01:29:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 01:29:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:29:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 01:29:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 01:29:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 01:29:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 01:29:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 01:29:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 01:29:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 01:29:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 01:29:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 01:29:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 01:29:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 01:29:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 01:29:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 01:29:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 01:29:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 01:29:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 01:29:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 01:29:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 01:29:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 01:29:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 01:29:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 01:29:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 01:29:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:29:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:29:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:29:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:29:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 01:29:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 01:29:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 01:29:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 01:29:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 01:29:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 01:29:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 01:29:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 01:29:48,658 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:29:48,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:30:06,274 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-24 01:30:06,278 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:30:06,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:30:06,328 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:30:06,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:30:06 BoogieIcfgContainer [2024-11-24 01:30:06,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:30:06,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:30:06,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:30:06,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:30:06,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:29:47" (1/3) ... [2024-11-24 01:30:06,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a62cf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:30:06, skipping insertion in model container [2024-11-24 01:30:06,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:48" (2/3) ... [2024-11-24 01:30:06,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a62cf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:30:06, skipping insertion in model container [2024-11-24 01:30:06,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:30:06" (3/3) ... [2024-11-24 01:30:06,341 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-4.i [2024-11-24 01:30:06,360 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:30:06,362 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-4.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:30:06,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:30:06,448 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;@51d4da54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:30:06,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:30:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:30:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:30:06,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:30:06,467 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:30:06,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:30:06,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:30:06,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1671071366, now seen corresponding path program 1 times [2024-11-24 01:30:06,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:30:06,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190667220] [2024-11-24 01:30:06,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:06,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:06,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:30:06,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:30:06,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:30:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:07,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:30:07,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 01:30:07,697 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:30:07,698 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:30:07,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190667220] [2024-11-24 01:30:07,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190667220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:30:07,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:30:07,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:30:07,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454662365] [2024-11-24 01:30:07,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:30:07,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:30:07,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:30:07,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:30:07,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:30:07,753 INFO L87 Difference]: Start difference. First operand has 110 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:30:07,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:30:07,799 INFO L93 Difference]: Finished difference Result 213 states and 331 transitions. [2024-11-24 01:30:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:30:07,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2024-11-24 01:30:07,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:30:07,809 INFO L225 Difference]: With dead ends: 213 [2024-11-24 01:30:07,809 INFO L226 Difference]: Without dead ends: 106 [2024-11-24 01:30:07,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:30:07,817 INFO L435 NwaCegarLoop]: 154 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, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:30:07,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:30:07,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-24 01:30:07,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-24 01:30:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:30:07,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2024-11-24 01:30:07,885 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 130 [2024-11-24 01:30:07,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:30:07,885 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2024-11-24 01:30:07,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:30:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2024-11-24 01:30:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:30:07,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:30:07,891 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:30:07,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 01:30:08,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:08,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:30:08,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:30:08,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1599009948, now seen corresponding path program 1 times [2024-11-24 01:30:08,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:30:08,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736495655] [2024-11-24 01:30:08,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:08,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:30:08,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:30:08,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:30:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:09,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:30:09,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-24 01:30:09,339 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:30:09,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:30:09,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736495655] [2024-11-24 01:30:09,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736495655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:30:09,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:30:09,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:30:09,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694570365] [2024-11-24 01:30:09,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:30:09,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:30:09,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:30:09,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:30:09,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:30:09,350 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:30:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:30:09,521 INFO L93 Difference]: Finished difference Result 211 states and 308 transitions. [2024-11-24 01:30:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:30:09,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2024-11-24 01:30:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:30:09,529 INFO L225 Difference]: With dead ends: 211 [2024-11-24 01:30:09,529 INFO L226 Difference]: Without dead ends: 108 [2024-11-24 01:30:09,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:30:09,531 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 445 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 [2024-11-24 01:30:09,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 445 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:30:09,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-24 01:30:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-24 01:30:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:30:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 156 transitions. [2024-11-24 01:30:09,548 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 156 transitions. Word has length 130 [2024-11-24 01:30:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:30:09,550 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 156 transitions. [2024-11-24 01:30:09,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:30:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-24 01:30:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:30:09,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:30:09,554 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:30:09,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:30:09,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:09,755 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:30:09,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:30:09,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1627510238, now seen corresponding path program 1 times [2024-11-24 01:30:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:30:09,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127235220] [2024-11-24 01:30:09,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:09,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:09,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:30:09,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:30:09,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:30:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:10,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:30:10,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:11,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 01:30:14,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-24 01:30:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 222 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 01:30:15,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:30:18,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-24 01:30:19,117 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:30:19,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127235220] [2024-11-24 01:30:19,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127235220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:30:19,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1208965310] [2024-11-24 01:30:19,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:19,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:30:19,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:30:19,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:30:19,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 01:30:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:19,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:30:19,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:30:20,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:30:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1208965310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:30:20,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:30:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-11-24 01:30:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074368871] [2024-11-24 01:30:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:30:20,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:30:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:30:20,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:30:20,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:30:20,463 INFO L87 Difference]: Start difference. First operand 108 states and 156 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:30:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:30:20,659 INFO L93 Difference]: Finished difference Result 218 states and 316 transitions. [2024-11-24 01:30:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:30:20,660 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:30:20,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:30:20,662 INFO L225 Difference]: With dead ends: 218 [2024-11-24 01:30:20,662 INFO L226 Difference]: Without dead ends: 113 [2024-11-24 01:30:20,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:30:20,664 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:30:20,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 583 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:30:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-24 01:30:20,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-24 01:30:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:30:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-24 01:30:20,677 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 130 [2024-11-24 01:30:20,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:30:20,678 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-24 01:30:20,679 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:30:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-24 01:30:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:30:20,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:30:20,687 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:30:20,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-24 01:30:20,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 01:30:21,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:21,088 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:30:21,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:30:21,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1629357280, now seen corresponding path program 1 times [2024-11-24 01:30:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:30:21,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262896806] [2024-11-24 01:30:21,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:21,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:30:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:30:21,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:30:21,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 01:30:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:22,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:30:22,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:22,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 01:30:24,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-24 01:30:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 222 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 01:30:25,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:30:27,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-24 01:30:28,180 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:30:28,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262896806] [2024-11-24 01:30:28,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262896806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:30:28,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2135824762] [2024-11-24 01:30:28,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:28,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:30:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:30:28,185 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:30:28,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 01:30:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:29,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:30:29,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:30,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 01:30:31,783 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 11 treesize of output 7 [2024-11-24 01:30:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:30:32,378 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:30:32,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2135824762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:30:32,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:30:32,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2024-11-24 01:30:32,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705224515] [2024-11-24 01:30:32,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:30:32,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:30:32,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:30:32,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:30:32,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:30:32,381 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:30:38,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:30:42,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:30:45,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:30:49,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:30:54,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:30:58,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:02,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:05,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:05,414 INFO L93 Difference]: Finished difference Result 327 states and 469 transitions. [2024-11-24 01:31:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:05,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:31:05,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:05,447 INFO L225 Difference]: With dead ends: 327 [2024-11-24 01:31:05,447 INFO L226 Difference]: Without dead ends: 218 [2024-11-24 01:31:05,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:31:05,449 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 142 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 36 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:05,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 496 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 113 Invalid, 4 Unknown, 0 Unchecked, 32.6s Time] [2024-11-24 01:31:05,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-24 01:31:05,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 195. [2024-11-24 01:31:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 162 states have (on average 1.3641975308641976) internal successors, (221), 162 states have internal predecessors, (221), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:31:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 281 transitions. [2024-11-24 01:31:05,477 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 281 transitions. Word has length 130 [2024-11-24 01:31:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:05,477 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 281 transitions. [2024-11-24 01:31:05,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 281 transitions. [2024-11-24 01:31:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:31:05,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:05,480 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:05,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-24 01:31:05,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 01:31:05,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:05,881 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:05,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:05,882 INFO L85 PathProgramCache]: Analyzing trace with hash 274287209, now seen corresponding path program 1 times [2024-11-24 01:31:05,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:31:05,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630002419] [2024-11-24 01:31:05,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:05,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:05,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:31:05,886 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:31:05,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-24 01:31:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:06,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:31:06,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:06,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-11-24 01:31:06,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-11-24 01:31:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:31:06,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:06,959 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:31:06,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630002419] [2024-11-24 01:31:06,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630002419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:06,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:06,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:31:06,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221560933] [2024-11-24 01:31:06,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:06,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:31:06,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:31:06,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:31:06,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:31:06,962 INFO L87 Difference]: Start difference. First operand 195 states and 281 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:11,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:14,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:19,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:23,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:27,219 WARN L539 Checker$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 [] [2024-11-24 01:31:29,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:34,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:38,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:31:39,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:39,041 INFO L93 Difference]: Finished difference Result 308 states and 444 transitions. [2024-11-24 01:31:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:39,042 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:31:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:39,044 INFO L225 Difference]: With dead ends: 308 [2024-11-24 01:31:39,044 INFO L226 Difference]: Without dead ends: 199 [2024-11-24 01:31:39,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:31:39,046 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 143 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:39,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 699 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 4 Unknown, 0 Unchecked, 32.0s Time] [2024-11-24 01:31:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-24 01:31:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-24 01:31:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 166 states have (on average 1.355421686746988) internal successors, (225), 166 states have internal predecessors, (225), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:31:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 285 transitions. [2024-11-24 01:31:39,072 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 285 transitions. Word has length 130 [2024-11-24 01:31:39,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:39,073 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 285 transitions. [2024-11-24 01:31:39,073 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 285 transitions. [2024-11-24 01:31:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:31:39,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:39,076 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:39,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:31:39,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:39,276 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:39,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash 975351787, now seen corresponding path program 1 times [2024-11-24 01:31:39,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:31:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148563538] [2024-11-24 01:31:39,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:39,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:31:39,279 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:31:39,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-24 01:31:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:40,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:31:40,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:31:40,151 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:40,151 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:31:40,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148563538] [2024-11-24 01:31:40,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148563538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:40,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:40,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:31:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005930866] [2024-11-24 01:31:40,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:40,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:31:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:31:40,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:31:40,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:40,153 INFO L87 Difference]: Start difference. First operand 199 states and 285 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:40,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:40,272 INFO L93 Difference]: Finished difference Result 317 states and 454 transitions. [2024-11-24 01:31:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:31:40,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-11-24 01:31:40,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:40,276 INFO L225 Difference]: With dead ends: 317 [2024-11-24 01:31:40,276 INFO L226 Difference]: Without dead ends: 203 [2024-11-24 01:31:40,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:31:40,278 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:40,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 446 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-24 01:31:40,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-24 01:31:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 170 states have (on average 1.3470588235294119) internal successors, (229), 170 states have internal predecessors, (229), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:31:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 289 transitions. [2024-11-24 01:31:40,301 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 289 transitions. Word has length 130 [2024-11-24 01:31:40,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:40,301 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 289 transitions. [2024-11-24 01:31:40,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2024-11-24 01:31:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:31:40,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:40,304 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:40,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-24 01:31:40,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:40,505 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:40,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1554331459, now seen corresponding path program 1 times [2024-11-24 01:31:40,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:31:40,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533013411] [2024-11-24 01:31:40,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:40,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:40,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:31:40,508 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:31:40,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-24 01:31:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:41,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:31:41,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:31:41,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:41,455 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:31:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533013411] [2024-11-24 01:31:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533013411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:41,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:31:41,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551745542] [2024-11-24 01:31:41,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:41,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:31:41,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:31:41,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:31:41,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:31:41,457 INFO L87 Difference]: Start difference. First operand 203 states and 289 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:41,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:41,635 INFO L93 Difference]: Finished difference Result 325 states and 462 transitions. [2024-11-24 01:31:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:41,636 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 132 [2024-11-24 01:31:41,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:41,638 INFO L225 Difference]: With dead ends: 325 [2024-11-24 01:31:41,638 INFO L226 Difference]: Without dead ends: 209 [2024-11-24 01:31:41,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:31:41,640 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:41,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:31:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-24 01:31:41,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 205. [2024-11-24 01:31:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 172 states have (on average 1.3430232558139534) internal successors, (231), 172 states have internal predecessors, (231), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:31:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 291 transitions. [2024-11-24 01:31:41,665 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 291 transitions. Word has length 132 [2024-11-24 01:31:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:41,665 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 291 transitions. [2024-11-24 01:31:41,666 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 291 transitions. [2024-11-24 01:31:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:31:41,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:41,668 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:41,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-24 01:31:41,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:41,869 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:41,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:41,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1141971198, now seen corresponding path program 1 times [2024-11-24 01:31:41,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:31:41,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086896795] [2024-11-24 01:31:41,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:41,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:31:41,873 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:31:41,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-24 01:31:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:42,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:31:42,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:42,902 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 20 treesize of output 14 [2024-11-24 01:31:42,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:31:43,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-11-24 01:31:43,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-24 01:31:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:31:44,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:44,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:31:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086896795] [2024-11-24 01:31:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086896795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:44,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:31:44,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937962000] [2024-11-24 01:31:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:44,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:31:44,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:31:44,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:31:44,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:31:44,350 INFO L87 Difference]: Start difference. First operand 205 states and 291 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:46,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:31:46,862 INFO L93 Difference]: Finished difference Result 413 states and 577 transitions. [2024-11-24 01:31:46,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:31:46,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:31:46,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:31:46,874 INFO L225 Difference]: With dead ends: 413 [2024-11-24 01:31:46,874 INFO L226 Difference]: Without dead ends: 285 [2024-11-24 01:31:46,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:31:46,877 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 91 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:31:46,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 556 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 01:31:46,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-24 01:31:46,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 282. [2024-11-24 01:31:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 241 states have (on average 1.3319502074688796) internal successors, (321), 242 states have internal predecessors, (321), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 01:31:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 393 transitions. [2024-11-24 01:31:46,917 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 393 transitions. Word has length 134 [2024-11-24 01:31:46,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:31:46,918 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 393 transitions. [2024-11-24 01:31:46,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:31:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 393 transitions. [2024-11-24 01:31:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:31:46,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:31:46,922 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:31:46,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-24 01:31:47,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:47,123 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:31:47,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:31:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1842863872, now seen corresponding path program 1 times [2024-11-24 01:31:47,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:31:47,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274502811] [2024-11-24 01:31:47,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:31:47,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:31:47,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:31:47,126 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:31:47,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-24 01:31:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:31:48,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 01:31:48,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:31:48,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:31:48,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-24 01:31:49,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2024-11-24 01:31:49,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:31:49,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 28 [2024-11-24 01:31:49,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:31:49,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 21 [2024-11-24 01:31:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-24 01:31:50,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:31:50,046 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:31:50,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274502811] [2024-11-24 01:31:50,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274502811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:31:50,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:31:50,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:31:50,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509694052] [2024-11-24 01:31:50,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:31:50,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:31:50,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:31:50,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:31:50,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:31:50,052 INFO L87 Difference]: Start difference. First operand 282 states and 393 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:31:55,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:31:56,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:00,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:04,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:08,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:12,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:17,755 WARN L539 Checker$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] [2024-11-24 01:32:19,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:23,638 WARN L539 Checker$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 [0] [2024-11-24 01:32:27,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:31,645 WARN L539 Checker$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] [2024-11-24 01:32:32,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:37,327 WARN L539 Checker$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 [0] [2024-11-24 01:32:40,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:32:41,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:32:41,417 INFO L93 Difference]: Finished difference Result 671 states and 933 transitions. [2024-11-24 01:32:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:32:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-24 01:32:41,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:32:41,423 INFO L225 Difference]: With dead ends: 671 [2024-11-24 01:32:41,423 INFO L226 Difference]: Without dead ends: 491 [2024-11-24 01:32:41,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:32:41,425 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 332 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 23 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:32:41,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 803 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 447 Invalid, 8 Unknown, 0 Unchecked, 51.0s Time] [2024-11-24 01:32:41,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-24 01:32:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 488. [2024-11-24 01:32:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 429 states have (on average 1.3356643356643356) internal successors, (573), 432 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:32:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 675 transitions. [2024-11-24 01:32:41,475 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 675 transitions. Word has length 134 [2024-11-24 01:32:41,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:32:41,475 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 675 transitions. [2024-11-24 01:32:41,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:32:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 675 transitions. [2024-11-24 01:32:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:32:41,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:32:41,478 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:32:41,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-24 01:32:41,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:32:41,679 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:32:41,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:32:41,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1141799294, now seen corresponding path program 1 times [2024-11-24 01:32:41,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:32:41,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157278619] [2024-11-24 01:32:41,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:41,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:32:41,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:32:41,690 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:32:41,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-24 01:32:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:42,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:32:42,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:32:42,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-24 01:32:43,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-11-24 01:32:44,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:44,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 44 [2024-11-24 01:32:44,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:44,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 48 [2024-11-24 01:32:45,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:32:45,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 31 [2024-11-24 01:32:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 194 proven. 12 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-24 01:32:45,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:32:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:32:46,165 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:32:46,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157278619] [2024-11-24 01:32:46,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157278619] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:46,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:32:46,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-24 01:32:46,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874025336] [2024-11-24 01:32:46,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:32:46,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:32:46,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:32:46,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:32:46,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:32:46,167 INFO L87 Difference]: Start difference. First operand 488 states and 675 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:32:50,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:32:54,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:32:58,590 WARN L539 Checker$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 [] [2024-11-24 01:33:01,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:05,888 WARN L539 Checker$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 [] [2024-11-24 01:33:09,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:14,023 WARN L539 Checker$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 [] [2024-11-24 01:33:16,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:20,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:23,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:27,358 WARN L539 Checker$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 [] [2024-11-24 01:33:31,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:35,560 WARN L539 Checker$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 [] [2024-11-24 01:33:38,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:33:43,040 WARN L539 Checker$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 [] [2024-11-24 01:33:47,044 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 [] [2024-11-24 01:33:47,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:47,439 INFO L93 Difference]: Finished difference Result 837 states and 1163 transitions. [2024-11-24 01:33:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:33:47,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:33:47,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:47,444 INFO L225 Difference]: With dead ends: 837 [2024-11-24 01:33:47,444 INFO L226 Difference]: Without dead ends: 489 [2024-11-24 01:33:47,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:33:47,446 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 204 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 18 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:47,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 521 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 91 Invalid, 12 Unknown, 0 Unchecked, 61.1s Time] [2024-11-24 01:33:47,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-24 01:33:47,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 486. [2024-11-24 01:33:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 427 states have (on average 1.3325526932084308) internal successors, (569), 430 states have internal predecessors, (569), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:33:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 671 transitions. [2024-11-24 01:33:47,498 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 671 transitions. Word has length 134 [2024-11-24 01:33:47,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:47,499 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 671 transitions. [2024-11-24 01:33:47,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:33:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 671 transitions. [2024-11-24 01:33:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:33:47,501 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:47,501 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:47,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:33:47,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:33:47,703 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:33:47,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:47,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1702315262, now seen corresponding path program 1 times [2024-11-24 01:33:47,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:33:47,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647684440] [2024-11-24 01:33:47,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:47,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:33:47,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:33:47,711 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:33:47,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-24 01:33:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:49,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 01:33:49,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:33:49,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:33:49,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-24 01:33:51,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:51,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 44 [2024-11-24 01:33:51,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:51,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 39 [2024-11-24 01:33:52,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:33:52,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 22 [2024-11-24 01:33:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 239 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-24 01:33:52,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:33:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:33:53,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:33:53,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647684440] [2024-11-24 01:33:53,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647684440] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:33:53,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:33:53,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-24 01:33:53,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033990626] [2024-11-24 01:33:53,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:53,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:33:53,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:33:53,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:33:53,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:33:53,174 INFO L87 Difference]: Start difference. First operand 486 states and 671 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:33:57,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:00,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:04,815 WARN L539 Checker$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 [] [2024-11-24 01:34:08,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:12,530 WARN L539 Checker$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 [] [2024-11-24 01:34:16,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:20,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:24,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:27,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:30,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:34,286 WARN L539 Checker$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 [] [2024-11-24 01:34:38,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:41,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:44,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:44,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:44,446 INFO L93 Difference]: Finished difference Result 994 states and 1382 transitions. [2024-11-24 01:34:44,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:44,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:34:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:44,453 INFO L225 Difference]: With dead ends: 994 [2024-11-24 01:34:44,453 INFO L226 Difference]: Without dead ends: 648 [2024-11-24 01:34:44,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:34:44,455 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 208 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 20 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:44,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 461 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 92 Invalid, 7 Unknown, 0 Unchecked, 51.2s Time] [2024-11-24 01:34:44,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-24 01:34:44,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 523. [2024-11-24 01:34:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 464 states have (on average 1.334051724137931) internal successors, (619), 467 states have internal predecessors, (619), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:34:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 721 transitions. [2024-11-24 01:34:44,505 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 721 transitions. Word has length 134 [2024-11-24 01:34:44,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:44,506 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 721 transitions. [2024-11-24 01:34:44,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:34:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 721 transitions. [2024-11-24 01:34:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:34:44,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:44,509 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:44,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-24 01:34:44,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:34:44,709 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:34:44,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:44,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1001250684, now seen corresponding path program 1 times [2024-11-24 01:34:44,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:34:44,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852245758] [2024-11-24 01:34:44,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:44,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:34:44,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:34:44,713 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:34:44,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-24 01:34:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:46,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:34:46,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:34:46,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-24 01:34:46,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-11-24 01:34:46,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:46,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2024-11-24 01:34:46,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:34:46,831 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 37 treesize of output 17 [2024-11-24 01:34:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:34:47,137 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:34:47,137 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:34:47,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852245758] [2024-11-24 01:34:47,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852245758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:47,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:47,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:34:47,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144269885] [2024-11-24 01:34:47,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:47,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:34:47,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:34:47,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:34:47,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:34:47,139 INFO L87 Difference]: Start difference. First operand 523 states and 721 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:34:51,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:55,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:34:59,561 WARN L539 Checker$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 [] [2024-11-24 01:35:03,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:08,073 WARN L539 Checker$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 [] [2024-11-24 01:35:12,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:15,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:21,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:24,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:28,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:31,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:35,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:38,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:41,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:35:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:43,338 INFO L93 Difference]: Finished difference Result 1045 states and 1447 transitions. [2024-11-24 01:35:43,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:35:43,339 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-24 01:35:43,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:43,343 INFO L225 Difference]: With dead ends: 1045 [2024-11-24 01:35:43,343 INFO L226 Difference]: Without dead ends: 662 [2024-11-24 01:35:43,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:35:43,345 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 118 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:43,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1708 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 8 Unknown, 0 Unchecked, 55.9s Time] [2024-11-24 01:35:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-24 01:35:43,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 659. [2024-11-24 01:35:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 580 states have (on average 1.3327586206896551) internal successors, (773), 585 states have internal predecessors, (773), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-24 01:35:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 909 transitions. [2024-11-24 01:35:43,404 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 909 transitions. Word has length 134 [2024-11-24 01:35:43,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:43,405 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 909 transitions. [2024-11-24 01:35:43,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:35:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 909 transitions. [2024-11-24 01:35:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 01:35:43,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:43,407 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:43,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-24 01:35:43,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:35:43,607 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:43,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:43,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1105884062, now seen corresponding path program 1 times [2024-11-24 01:35:43,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:43,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218526234] [2024-11-24 01:35:43,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:43,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:35:43,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:43,611 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:35:43,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-24 01:35:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:44,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:35:44,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:45,103 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 20 treesize of output 14 [2024-11-24 01:35:45,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:35:47,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2024-11-24 01:35:47,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2024-11-24 01:35:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 222 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 01:35:48,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:35:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:35:49,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:49,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218526234] [2024-11-24 01:35:49,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218526234] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:35:49,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:35:49,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-11-24 01:35:49,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372939013] [2024-11-24 01:35:49,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:35:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:49,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:35:49,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:35:49,356 INFO L87 Difference]: Start difference. First operand 659 states and 909 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:35:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:50,143 INFO L93 Difference]: Finished difference Result 1431 states and 1975 transitions. [2024-11-24 01:35:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:35:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2024-11-24 01:35:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:50,150 INFO L225 Difference]: With dead ends: 1431 [2024-11-24 01:35:50,150 INFO L226 Difference]: Without dead ends: 892 [2024-11-24 01:35:50,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:35:50,153 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 249 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:50,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 738 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:35:50,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-11-24 01:35:50,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 679. [2024-11-24 01:35:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 600 states have (on average 1.33) internal successors, (798), 605 states have internal predecessors, (798), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-24 01:35:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 934 transitions. [2024-11-24 01:35:50,223 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 934 transitions. Word has length 135 [2024-11-24 01:35:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:50,225 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 934 transitions. [2024-11-24 01:35:50,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:35:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 934 transitions. [2024-11-24 01:35:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:35:50,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:50,227 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:50,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-24 01:35:50,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:35:50,427 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:50,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2004922282, now seen corresponding path program 1 times [2024-11-24 01:35:50,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:35:50,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309352514] [2024-11-24 01:35:50,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:50,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:35:50,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:35:50,430 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:35:50,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-24 01:35:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:51,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:35:51,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:55,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:35:55,229 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 167 treesize of output 59 [2024-11-24 01:35:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-24 01:35:55,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:35:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:35:56,455 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:35:56,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309352514] [2024-11-24 01:35:56,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309352514] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:35:56,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:35:56,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-24 01:35:56,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610096194] [2024-11-24 01:35:56,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:56,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:56,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:35:56,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:56,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:35:56,457 INFO L87 Difference]: Start difference. First operand 679 states and 934 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:36:01,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:36:05,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:36:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:05,781 INFO L93 Difference]: Finished difference Result 1603 states and 2186 transitions. [2024-11-24 01:36:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:36:05,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:36:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:05,788 INFO L225 Difference]: With dead ends: 1603 [2024-11-24 01:36:05,789 INFO L226 Difference]: Without dead ends: 1072 [2024-11-24 01:36:05,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:36:05,791 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 56 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:05,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 572 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-24 01:36:05,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2024-11-24 01:36:05,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1064. [2024-11-24 01:36:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 973 states have (on average 1.3237410071942446) internal successors, (1288), 984 states have internal predecessors, (1288), 74 states have call successors, (74), 16 states have call predecessors, (74), 16 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:36:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1436 transitions. [2024-11-24 01:36:05,870 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1436 transitions. Word has length 137 [2024-11-24 01:36:05,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:05,871 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1436 transitions. [2024-11-24 01:36:05,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:36:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1436 transitions. [2024-11-24 01:36:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:36:05,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:05,873 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:05,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-24 01:36:06,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:36:06,077 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:06,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1609986644, now seen corresponding path program 1 times [2024-11-24 01:36:06,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:36:06,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486007341] [2024-11-24 01:36:06,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:06,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:36:06,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:36:06,081 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:36:06,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-24 01:36:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:07,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:36:07,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:36:07,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-24 01:36:07,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 01:36:07,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-11-24 01:36:07,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-24 01:36:08,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-11-24 01:36:08,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:36:08,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 32 [2024-11-24 01:36:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:36:09,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:36:09,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:36:09,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486007341] [2024-11-24 01:36:09,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486007341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:09,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:09,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:36:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548162919] [2024-11-24 01:36:09,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:09,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:36:09,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:36:09,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:36:09,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:36:09,045 INFO L87 Difference]: Start difference. First operand 1064 states and 1436 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:36:14,090 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 [0] [2024-11-24 01:36:18,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:22,097 WARN L539 Checker$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] [2024-11-24 01:36:26,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:29,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:33,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:37,883 WARN L539 Checker$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] [2024-11-24 01:36:41,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:45,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:50,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:36:54,520 WARN L539 Checker$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] [2024-11-24 01:36:58,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:01,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:02,935 INFO L93 Difference]: Finished difference Result 1106 states and 1488 transitions. [2024-11-24 01:37:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:37:02,936 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:37:02,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:02,941 INFO L225 Difference]: With dead ends: 1106 [2024-11-24 01:37:02,941 INFO L226 Difference]: Without dead ends: 1104 [2024-11-24 01:37:02,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:37:02,943 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 298 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:02,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 935 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 400 Invalid, 9 Unknown, 0 Unchecked, 53.3s Time] [2024-11-24 01:37:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2024-11-24 01:37:03,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1104. [2024-11-24 01:37:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1012 states have (on average 1.3112648221343874) internal successors, (1327), 1023 states have internal predecessors, (1327), 74 states have call successors, (74), 17 states have call predecessors, (74), 17 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:37:03,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1475 transitions. [2024-11-24 01:37:03,043 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1475 transitions. Word has length 137 [2024-11-24 01:37:03,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:03,044 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1475 transitions. [2024-11-24 01:37:03,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:37:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1475 transitions. [2024-11-24 01:37:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:37:03,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:03,047 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:03,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-24 01:37:03,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:03,248 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:03,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1608139602, now seen corresponding path program 1 times [2024-11-24 01:37:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:03,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009489361] [2024-11-24 01:37:03,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:03,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:03,252 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:37:03,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-24 01:37:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:04,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:37:04,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:04,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-24 01:37:04,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:37:04,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-24 01:37:05,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-24 01:37:05,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2024-11-24 01:37:05,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:37:05,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 53 [2024-11-24 01:37:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-24 01:37:06,228 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:37:06,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:37:06,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009489361] [2024-11-24 01:37:06,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009489361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:06,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:06,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:37:06,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395971749] [2024-11-24 01:37:06,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:06,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:37:06,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:37:06,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:37:06,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:37:06,230 INFO L87 Difference]: Start difference. First operand 1104 states and 1475 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:37:11,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:15,142 WARN L539 Checker$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] [2024-11-24 01:37:19,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:22,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:24,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:29,078 WARN L539 Checker$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 [0] [2024-11-24 01:37:30,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:34,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:39,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:40,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:46,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:37:50,115 WARN L539 Checker$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] [2024-11-24 01:37:54,263 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 [0] [2024-11-24 01:37:55,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:55,062 INFO L93 Difference]: Finished difference Result 2986 states and 3981 transitions. [2024-11-24 01:37:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:37:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-24 01:37:55,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:55,070 INFO L225 Difference]: With dead ends: 2986 [2024-11-24 01:37:55,070 INFO L226 Difference]: Without dead ends: 2100 [2024-11-24 01:37:55,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:37:55,073 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 286 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 5 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:55,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 782 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 237 Invalid, 8 Unknown, 0 Unchecked, 48.4s Time] [2024-11-24 01:37:55,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2024-11-24 01:37:55,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1552. [2024-11-24 01:37:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1460 states have (on average 1.3075342465753426) internal successors, (1909), 1471 states have internal predecessors, (1909), 74 states have call successors, (74), 17 states have call predecessors, (74), 17 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:37:55,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2057 transitions. [2024-11-24 01:37:55,215 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2057 transitions. Word has length 137 [2024-11-24 01:37:55,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:55,216 INFO L471 AbstractCegarLoop]: Abstraction has 1552 states and 2057 transitions. [2024-11-24 01:37:55,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:37:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2057 transitions. [2024-11-24 01:37:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:37:55,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:55,219 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:55,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-24 01:37:55,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:55,420 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:55,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:55,420 INFO L85 PathProgramCache]: Analyzing trace with hash -389552323, now seen corresponding path program 1 times [2024-11-24 01:37:55,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:55,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959884190] [2024-11-24 01:37:55,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:55,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:55,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:55,423 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:37:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-24 01:37:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:56,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:37:56,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:56,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-24 01:37:56,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-24 01:37:56,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-24 01:37:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:37:57,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:37:57,025 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:37:57,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959884190] [2024-11-24 01:37:57,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959884190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:57,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:57,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:37:57,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187230191] [2024-11-24 01:37:57,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:57,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:37:57,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:37:57,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:37:57,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:37:57,027 INFO L87 Difference]: Start difference. First operand 1552 states and 2057 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:38:01,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:05,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:09,374 WARN L539 Checker$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 [] [2024-11-24 01:38:13,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:17,526 WARN L539 Checker$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 [] [2024-11-24 01:38:20,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:26,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:29,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:33,786 WARN L539 Checker$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 [] [2024-11-24 01:38:35,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:39,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:43,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:47,710 WARN L539 Checker$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 [] [2024-11-24 01:38:51,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:54,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:56,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:38:56,292 INFO L93 Difference]: Finished difference Result 3633 states and 4810 transitions. [2024-11-24 01:38:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:38:56,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:38:56,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:38:56,302 INFO L225 Difference]: With dead ends: 3633 [2024-11-24 01:38:56,302 INFO L226 Difference]: Without dead ends: 2403 [2024-11-24 01:38:56,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:38:56,305 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 135 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:38:56,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1644 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 449 Invalid, 9 Unknown, 0 Unchecked, 58.7s Time] [2024-11-24 01:38:56,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2024-11-24 01:38:56,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 1672. [2024-11-24 01:38:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1580 states have (on average 1.3221518987341772) internal successors, (2089), 1591 states have internal predecessors, (2089), 74 states have call successors, (74), 17 states have call predecessors, (74), 17 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:38:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2237 transitions. [2024-11-24 01:38:56,436 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2237 transitions. Word has length 137 [2024-11-24 01:38:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:38:56,437 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2237 transitions. [2024-11-24 01:38:56,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:38:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2237 transitions. [2024-11-24 01:38:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:38:56,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:38:56,440 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:38:56,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-24 01:38:56,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:38:56,641 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:38:56,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:38:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1669416001, now seen corresponding path program 1 times [2024-11-24 01:38:56,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:38:56,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236350585] [2024-11-24 01:38:56,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:38:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:38:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:38:56,644 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:38:56,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-24 01:38:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:38:57,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:38:57,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:38:57,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:38:57,697 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 36 treesize of output 16 [2024-11-24 01:38:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:38:57,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:38:57,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:38:57,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236350585] [2024-11-24 01:38:57,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236350585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:38:57,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:38:57,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:38:57,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676080633] [2024-11-24 01:38:57,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:38:57,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:38:57,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:38:57,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:38:57,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:38:57,846 INFO L87 Difference]: Start difference. First operand 1672 states and 2237 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:39:02,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:05,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:09,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:13,341 WARN L539 Checker$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 [] [2024-11-24 01:39:17,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:19,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:23,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:27,229 WARN L539 Checker$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 [] [2024-11-24 01:39:31,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:32,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:36,861 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 [] [2024-11-24 01:39:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:39:38,170 INFO L93 Difference]: Finished difference Result 3561 states and 4722 transitions. [2024-11-24 01:39:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:39:38,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:39:38,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:39:38,178 INFO L225 Difference]: With dead ends: 3561 [2024-11-24 01:39:38,178 INFO L226 Difference]: Without dead ends: 2211 [2024-11-24 01:39:38,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:39:38,180 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 126 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:39:38,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 804 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 7 Unknown, 0 Unchecked, 40.1s Time] [2024-11-24 01:39:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2024-11-24 01:39:38,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 1672. [2024-11-24 01:39:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1580 states have (on average 1.309493670886076) internal successors, (2069), 1591 states have internal predecessors, (2069), 74 states have call successors, (74), 17 states have call predecessors, (74), 17 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:39:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2217 transitions. [2024-11-24 01:39:38,302 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2217 transitions. Word has length 137 [2024-11-24 01:39:38,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:39:38,303 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2217 transitions. [2024-11-24 01:39:38,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:39:38,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2217 transitions. [2024-11-24 01:39:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:39:38,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:39:38,305 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:39:38,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-24 01:39:38,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:39:38,506 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:39:38,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:39:38,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1207200773, now seen corresponding path program 1 times [2024-11-24 01:39:38,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:39:38,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61014116] [2024-11-24 01:39:38,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:39:38,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:39:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:39:38,511 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:39:38,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-24 01:39:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:39:39,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:39:39,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:39:39,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:39:39,404 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 37 treesize of output 17 [2024-11-24 01:39:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:39:39,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:39:39,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:39:39,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61014116] [2024-11-24 01:39:39,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61014116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:39:39,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:39:39,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:39:39,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25382804] [2024-11-24 01:39:39,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:39:39,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:39:39,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:39:39,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:39:39,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:39:39,517 INFO L87 Difference]: Start difference. First operand 1672 states and 2217 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:39:43,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:47,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:50,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:54,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:39:58,860 WARN L539 Checker$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 [] [2024-11-24 01:40:00,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:03,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:07,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:40:08,176 INFO L93 Difference]: Finished difference Result 3561 states and 4690 transitions. [2024-11-24 01:40:08,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:40:08,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:40:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:40:08,182 INFO L225 Difference]: With dead ends: 3561 [2024-11-24 01:40:08,182 INFO L226 Difference]: Without dead ends: 2211 [2024-11-24 01:40:08,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:40:08,183 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 130 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:40:08,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 543 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 2 Unknown, 0 Unchecked, 28.5s Time] [2024-11-24 01:40:08,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2024-11-24 01:40:08,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 1672. [2024-11-24 01:40:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1580 states have (on average 1.2968354430379747) internal successors, (2049), 1591 states have internal predecessors, (2049), 74 states have call successors, (74), 17 states have call predecessors, (74), 17 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:40:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2197 transitions. [2024-11-24 01:40:08,302 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2197 transitions. Word has length 137 [2024-11-24 01:40:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:40:08,303 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2197 transitions. [2024-11-24 01:40:08,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:40:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2197 transitions. [2024-11-24 01:40:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:40:08,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:40:08,305 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:40:08,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-24 01:40:08,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:40:08,506 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:40:08,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:40:08,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1807902845, now seen corresponding path program 1 times [2024-11-24 01:40:08,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:40:08,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270539105] [2024-11-24 01:40:08,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:40:08,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:40:08,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:40:08,508 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:40:08,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-24 01:40:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:40:09,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:40:09,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:40:09,919 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 38 treesize of output 26 [2024-11-24 01:40:10,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-11-24 01:40:12,437 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 59 treesize of output 50 [2024-11-24 01:40:13,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:40:13,356 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 65 treesize of output 41 [2024-11-24 01:40:14,008 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 55 treesize of output 31 [2024-11-24 01:40:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 222 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 01:40:15,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:40:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:40:18,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:40:18,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270539105] [2024-11-24 01:40:18,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270539105] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:40:18,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:40:18,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 22 [2024-11-24 01:40:18,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717329946] [2024-11-24 01:40:18,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:40:18,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:40:18,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:40:18,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:40:18,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:40:18,292 INFO L87 Difference]: Start difference. First operand 1672 states and 2197 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:40:22,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:25,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:30,116 WARN L539 Checker$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 [] [2024-11-24 01:40:34,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:36,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:42,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:44,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:48,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:50,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:53,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:40:58,082 WARN L539 Checker$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 [] [2024-11-24 01:41:00,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:06,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:10,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:12,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:13,115 INFO L93 Difference]: Finished difference Result 3557 states and 4641 transitions. [2024-11-24 01:41:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:41:13,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2024-11-24 01:41:13,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:13,125 INFO L225 Difference]: With dead ends: 3557 [2024-11-24 01:41:13,125 INFO L226 Difference]: Without dead ends: 2255 [2024-11-24 01:41:13,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:41:13,126 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 135 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:13,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1703 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 482 Invalid, 7 Unknown, 0 Unchecked, 53.9s Time] [2024-11-24 01:41:13,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2024-11-24 01:41:13,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 1540. [2024-11-24 01:41:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1448 states have (on average 1.296270718232044) internal successors, (1877), 1459 states have internal predecessors, (1877), 74 states have call successors, (74), 17 states have call predecessors, (74), 17 states have return successors, (74), 63 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 01:41:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2025 transitions. [2024-11-24 01:41:13,257 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2025 transitions. Word has length 137 [2024-11-24 01:41:13,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:13,257 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2025 transitions. [2024-11-24 01:41:13,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:41:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2025 transitions. [2024-11-24 01:41:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:41:13,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:13,259 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:13,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-24 01:41:13,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:41:13,459 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:13,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:13,460 INFO L85 PathProgramCache]: Analyzing trace with hash 107054163, now seen corresponding path program 1 times [2024-11-24 01:41:13,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:41:13,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500325323] [2024-11-24 01:41:13,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:13,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:41:13,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:41:13,462 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:41:13,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc784e1-87fe-436c-9918-5a490b68e1d8/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process