./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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 74fee8aa4e06466e649a6b07a82fae07f22df3e533830cec1fb57a71456665c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:21:46,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:21:46,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:21:46,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:21:46,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:21:46,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:21:46,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:21:46,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:21:46,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:21:46,840 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:21:46,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:21:46,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:21:46,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:21:46,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:21:46,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:21:46,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:21:46,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:21:46,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:21:46,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:21:46,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:21:46,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:21:46,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:21:46,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:21:46,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:21:46,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:21:46,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:21:46,847 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:21:46,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:21:46,847 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:21:46,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:21:46,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:21:46,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:21:46,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:21:46,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:21:46,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:21:46,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:21:46,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:21:46,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:21:46,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:21:46,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:21:46,850 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:21:46,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:21:46,851 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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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 -> 74fee8aa4e06466e649a6b07a82fae07f22df3e533830cec1fb57a71456665c1 [2024-11-23 23:21:47,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:21:47,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:21:47,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:21:47,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:21:47,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:21:47,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i [2024-11-23 23:21:50,366 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/aecc79339/d8490136f8924f2992d27c74e80e8f49/FLAG28cd0c25c [2024-11-23 23:21:50,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:21:50,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i [2024-11-23 23:21:50,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/aecc79339/d8490136f8924f2992d27c74e80e8f49/FLAG28cd0c25c [2024-11-23 23:21:50,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/aecc79339/d8490136f8924f2992d27c74e80e8f49 [2024-11-23 23:21:50,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:21:50,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:21:50,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:21:50,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:21:50,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:21:50,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:50" (1/1) ... [2024-11-23 23:21:50,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c8f1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:50, skipping insertion in model container [2024-11-23 23:21:50,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:50" (1/1) ... [2024-11-23 23:21:50,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:21:50,898 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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i[917,930] [2024-11-23 23:21:51,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:21:51,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:21:51,031 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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i[917,930] [2024-11-23 23:21:51,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:21:51,123 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:21:51,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51 WrapperNode [2024-11-23 23:21:51,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:21:51,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:21:51,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:21:51,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:21:51,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,207 INFO L138 Inliner]: procedures = 29, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 412 [2024-11-23 23:21:51,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:21:51,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:21:51,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:21:51,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:21:51,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,273 INFO L175 MemorySlicer]: Split 101 memory accesses to 5 slices as follows [2, 37, 8, 40, 14]. 40 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 5, 1, 3, 2]. The 16 writes are split as follows [0, 9, 1, 3, 3]. [2024-11-23 23:21:51,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:21:51,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:21:51,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:21:51,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:21:51,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (1/1) ... [2024-11-23 23:21:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:21:51,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:21:51,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:21:51,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:21:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 23:21:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 23:21:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:21:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:21:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:21:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:21:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:21:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:21:51,610 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:21:51,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:21:52,192 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-23 23:21:52,193 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:21:52,204 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:21:52,204 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:21:52,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:52 BoogieIcfgContainer [2024-11-23 23:21:52,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:21:52,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:21:52,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:21:52,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:21:52,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:21:50" (1/3) ... [2024-11-23 23:21:52,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71587530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:52, skipping insertion in model container [2024-11-23 23:21:52,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:51" (2/3) ... [2024-11-23 23:21:52,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71587530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:52, skipping insertion in model container [2024-11-23 23:21:52,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:52" (3/3) ... [2024-11-23 23:21:52,214 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-46.i [2024-11-23 23:21:52,230 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:21:52,232 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-46.i that has 2 procedures, 101 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:21:52,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:21:52,304 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;@552df79b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:21:52,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:21:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:21:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:21:52,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:52,320 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:21:52,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:52,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1009715545, now seen corresponding path program 1 times [2024-11-23 23:21:52,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:52,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629300418] [2024-11-23 23:21:52,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:52,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-23 23:21:52,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:52,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629300418] [2024-11-23 23:21:52,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629300418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:21:52,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565815371] [2024-11-23 23:21:52,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:52,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:21:52,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:21:52,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:21:52,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:21:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:53,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:21:53,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:21:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-23 23:21:53,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:21:53,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565815371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:53,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:21:53,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:21:53,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166724369] [2024-11-23 23:21:53,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:53,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:21:53,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:53,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:21:53,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:21:53,170 INFO L87 Difference]: Start difference. First operand has 101 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:21:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:53,207 INFO L93 Difference]: Finished difference Result 195 states and 302 transitions. [2024-11-23 23:21:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:21:53,209 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2024-11-23 23:21:53,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:53,220 INFO L225 Difference]: With dead ends: 195 [2024-11-23 23:21:53,220 INFO L226 Difference]: Without dead ends: 97 [2024-11-23 23:21:53,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:21:53,229 INFO L435 NwaCegarLoop]: 140 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, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:21:53,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:21:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-23 23:21:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-23 23:21:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:21:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2024-11-23 23:21:53,282 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 116 [2024-11-23 23:21:53,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:53,282 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2024-11-23 23:21:53,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:21:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2024-11-23 23:21:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:21:53,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:53,286 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:21:53,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:21:53,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:21:53,487 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:53,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -675339485, now seen corresponding path program 1 times [2024-11-23 23:21:53,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:53,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319126288] [2024-11-23 23:21:53,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:21:54,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:54,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319126288] [2024-11-23 23:21:54,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319126288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:54,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:54,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:21:54,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822113913] [2024-11-23 23:21:54,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:54,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:21:54,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:54,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:21:54,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:21:54,760 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:21:55,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:55,168 INFO L93 Difference]: Finished difference Result 255 states and 367 transitions. [2024-11-23 23:21:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:21:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-23 23:21:55,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:55,176 INFO L225 Difference]: With dead ends: 255 [2024-11-23 23:21:55,178 INFO L226 Difference]: Without dead ends: 161 [2024-11-23 23:21:55,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:21:55,180 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 235 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:21:55,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 654 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:21:55,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-23 23:21:55,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2024-11-23 23:21:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 134 states have (on average 1.3805970149253732) internal successors, (185), 135 states have internal predecessors, (185), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:21:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 227 transitions. [2024-11-23 23:21:55,223 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 227 transitions. Word has length 116 [2024-11-23 23:21:55,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:55,224 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 227 transitions. [2024-11-23 23:21:55,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:21:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 227 transitions. [2024-11-23 23:21:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:21:55,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:55,227 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:21:55,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:21:55,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:55,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:55,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1262145499, now seen corresponding path program 1 times [2024-11-23 23:21:55,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:55,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457485334] [2024-11-23 23:21:55,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:21:56,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457485334] [2024-11-23 23:21:56,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457485334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:56,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:56,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:21:56,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670069526] [2024-11-23 23:21:56,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:56,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:21:56,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:56,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:21:56,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:21:56,080 INFO L87 Difference]: Start difference. First operand 158 states and 227 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:21:56,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:56,265 INFO L93 Difference]: Finished difference Result 401 states and 577 transitions. [2024-11-23 23:21:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:21:56,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-23 23:21:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:56,275 INFO L225 Difference]: With dead ends: 401 [2024-11-23 23:21:56,275 INFO L226 Difference]: Without dead ends: 246 [2024-11-23 23:21:56,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:21:56,276 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 59 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:21:56,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 562 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:21:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-23 23:21:56,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 178. [2024-11-23 23:21:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 154 states have (on average 1.3766233766233766) internal successors, (212), 155 states have internal predecessors, (212), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:21:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 254 transitions. [2024-11-23 23:21:56,308 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 254 transitions. Word has length 116 [2024-11-23 23:21:56,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:56,308 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 254 transitions. [2024-11-23 23:21:56,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:21:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 254 transitions. [2024-11-23 23:21:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:21:56,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:56,312 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:21:56,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:21:56,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:56,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:56,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1955203163, now seen corresponding path program 1 times [2024-11-23 23:21:56,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:56,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713883309] [2024-11-23 23:21:56,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:56,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:21:57,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:57,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713883309] [2024-11-23 23:21:57,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713883309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:57,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:57,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:21:57,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416612416] [2024-11-23 23:21:57,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:57,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:21:57,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:57,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:21:57,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:21:57,288 INFO L87 Difference]: Start difference. First operand 178 states and 254 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:21:57,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:57,659 INFO L93 Difference]: Finished difference Result 425 states and 608 transitions. [2024-11-23 23:21:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:21:57,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-23 23:21:57,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:57,665 INFO L225 Difference]: With dead ends: 425 [2024-11-23 23:21:57,666 INFO L226 Difference]: Without dead ends: 250 [2024-11-23 23:21:57,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:21:57,668 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 188 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:21:57,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 604 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:21:57,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-23 23:21:57,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 178. [2024-11-23 23:21:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 154 states have (on average 1.3766233766233766) internal successors, (212), 155 states have internal predecessors, (212), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:21:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 254 transitions. [2024-11-23 23:21:57,711 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 254 transitions. Word has length 116 [2024-11-23 23:21:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:57,712 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 254 transitions. [2024-11-23 23:21:57,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:21:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 254 transitions. [2024-11-23 23:21:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:21:57,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:57,715 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:21:57,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:21:57,715 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:57,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:57,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1079912016, now seen corresponding path program 1 times [2024-11-23 23:21:57,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:57,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666125069] [2024-11-23 23:21:57,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:57,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:21:57,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894921174] [2024-11-23 23:21:57,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:21:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:21:57,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:21:57,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:21:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:58,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 23:21:58,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:21:59,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-23 23:21:59,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-23 23:22:00,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:22:00,735 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 108 treesize of output 80 [2024-11-23 23:22:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-23 23:22:01,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:22:01,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:22:01,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666125069] [2024-11-23 23:22:01,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:22:01,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894921174] [2024-11-23 23:22:01,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894921174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:22:01,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:22:01,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-23 23:22:01,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081396607] [2024-11-23 23:22:01,692 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 23:22:01,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:22:01,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:22:01,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:22:01,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:22:01,700 INFO L87 Difference]: Start difference. First operand 178 states and 254 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:06,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-23 23:22:09,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:22:09,460 INFO L93 Difference]: Finished difference Result 612 states and 875 transitions. [2024-11-23 23:22:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:22:09,460 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2024-11-23 23:22:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:22:09,464 INFO L225 Difference]: With dead ends: 612 [2024-11-23 23:22:09,464 INFO L226 Difference]: Without dead ends: 437 [2024-11-23 23:22:09,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:22:09,466 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 344 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:22:09,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 990 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 518 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-23 23:22:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-23 23:22:09,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 371. [2024-11-23 23:22:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 324 states have (on average 1.382716049382716) internal successors, (448), 326 states have internal predecessors, (448), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:22:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 532 transitions. [2024-11-23 23:22:09,523 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 532 transitions. Word has length 118 [2024-11-23 23:22:09,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:22:09,524 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 532 transitions. [2024-11-23 23:22:09,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 532 transitions. [2024-11-23 23:22:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:22:09,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:22:09,526 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:22:09,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:22:09,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:22:09,727 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:22:09,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:22:09,728 INFO L85 PathProgramCache]: Analyzing trace with hash 386854352, now seen corresponding path program 1 times [2024-11-23 23:22:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:22:09,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725477335] [2024-11-23 23:22:09,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:22:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:22:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:22:10,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:22:10,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725477335] [2024-11-23 23:22:10,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725477335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:22:10,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:22:10,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:22:10,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895791986] [2024-11-23 23:22:10,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:22:10,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:22:10,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:22:10,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:22:10,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:22:10,925 INFO L87 Difference]: Start difference. First operand 371 states and 532 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:12,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:22:12,312 INFO L93 Difference]: Finished difference Result 917 states and 1312 transitions. [2024-11-23 23:22:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:22:12,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2024-11-23 23:22:12,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:22:12,316 INFO L225 Difference]: With dead ends: 917 [2024-11-23 23:22:12,316 INFO L226 Difference]: Without dead ends: 549 [2024-11-23 23:22:12,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:22:12,318 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 280 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:22:12,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 624 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 23:22:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-23 23:22:12,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 398. [2024-11-23 23:22:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 351 states have (on average 1.3903133903133904) internal successors, (488), 353 states have internal predecessors, (488), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:22:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2024-11-23 23:22:12,353 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 118 [2024-11-23 23:22:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:22:12,354 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2024-11-23 23:22:12,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2024-11-23 23:22:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:22:12,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:22:12,356 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:22:12,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:22:12,356 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:22:12,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:22:12,357 INFO L85 PathProgramCache]: Analyzing trace with hash -199951662, now seen corresponding path program 1 times [2024-11-23 23:22:12,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:22:12,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249955227] [2024-11-23 23:22:12,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:12,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:22:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:22:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:22:14,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:22:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249955227] [2024-11-23 23:22:14,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249955227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:22:14,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:22:14,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 23:22:14,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716799135] [2024-11-23 23:22:14,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:22:14,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:22:14,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:22:14,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:22:14,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:22:14,077 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:22:16,521 INFO L93 Difference]: Finished difference Result 867 states and 1241 transitions. [2024-11-23 23:22:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:22:16,522 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2024-11-23 23:22:16,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:22:16,528 INFO L225 Difference]: With dead ends: 867 [2024-11-23 23:22:16,528 INFO L226 Difference]: Without dead ends: 468 [2024-11-23 23:22:16,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:22:16,531 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 448 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:22:16,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 617 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 23:22:16,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-23 23:22:16,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 398. [2024-11-23 23:22:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 351 states have (on average 1.3846153846153846) internal successors, (486), 353 states have internal predecessors, (486), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:22:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 570 transitions. [2024-11-23 23:22:16,594 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 570 transitions. Word has length 118 [2024-11-23 23:22:16,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:22:16,595 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 570 transitions. [2024-11-23 23:22:16,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 570 transitions. [2024-11-23 23:22:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:22:16,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:22:16,598 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:22:16,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:22:16,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:22:16,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:22:16,598 INFO L85 PathProgramCache]: Analyzing trace with hash 93460718, now seen corresponding path program 1 times [2024-11-23 23:22:16,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:22:16,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218108532] [2024-11-23 23:22:16,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:16,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:22:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:22:16,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396896971] [2024-11-23 23:22:16,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:16,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:22:16,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:22:16,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:22:16,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:22:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:22:17,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:22:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:22:17,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:22:17,472 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:22:17,473 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:22:17,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:22:17,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 23:22:17,680 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:22:17,935 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:22:17,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:22:17 BoogieIcfgContainer [2024-11-23 23:22:17,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:22:17,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:22:17,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:22:17,943 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:22:17,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:52" (3/4) ... [2024-11-23 23:22:17,947 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:22:17,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:22:17,949 INFO L158 Benchmark]: Toolchain (without parser) took 27234.79ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 91.0MB in the beginning and 109.9MB in the end (delta: -18.9MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2024-11-23 23:22:17,949 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:22:17,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.27ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 76.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:22:17,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.94ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:22:17,951 INFO L158 Benchmark]: Boogie Preprocessor took 129.49ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 69.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:22:17,952 INFO L158 Benchmark]: RCFGBuilder took 866.26ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 83.6MB in the end (delta: -14.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-23 23:22:17,952 INFO L158 Benchmark]: TraceAbstraction took 25736.01ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 83.1MB in the beginning and 110.0MB in the end (delta: -26.9MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-11-23 23:22:17,952 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 234.9MB. Free memory was 110.0MB in the beginning and 109.9MB in the end (delta: 29.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:22:17,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.27ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 76.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.94ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 129.49ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 69.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 866.26ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 83.6MB in the end (delta: -14.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * TraceAbstraction took 25736.01ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 83.1MB in the beginning and 110.0MB in the end (delta: -26.9MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 234.9MB. Free memory was 110.0MB in the beginning and 109.9MB in the end (delta: 29.4kB). 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 someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1]); [L27] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer = &(BOOL_unsigned_char_Array_0[2]); [L28] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer = &(BOOL_unsigned_char_Array_0[3]); [L29] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer = &(BOOL_unsigned_char_Array_0[4]); [L30-L32] double double_Array_0[1] = { 31.75 }; [L30-L32] double double_Array_0[1] = { 31.75 }; [L33] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L34-L36] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L34-L36] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L34-L36] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L34-L36] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L37] signed char* signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer = &(signed_char_Array_0[0]); [L38] signed char* signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer = &(signed_char_Array_0[1]); [L39] signed char* signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer = &(signed_char_Array_0[2]); [L40-L42] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L40-L42] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L40-L42] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L43] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L44] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L45] unsigned char last_1_BOOL_unsigned_char_Array_0_4_ = 1; [L46] signed short int last_1_signed_short_int_Array_0_1_ = -4; VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L116] isInitial = 1 [L117] FCALL initially() [L119] CALL updateLastVariables() [L108] EXPR BOOL_unsigned_char_Array_0[4] [L108] last_1_BOOL_unsigned_char_Array_0_4_ = BOOL_unsigned_char_Array_0[4] [L109] EXPR signed_short_int_Array_0[1] [L109] last_1_signed_short_int_Array_0_1_ = signed_short_int_Array_0[1] [L119] RET updateLastVariables() [L120] CALL updateVariables() [L85] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L86] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L86] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L86] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L87] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L87] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L87] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L88] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L89] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L89] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L89] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L90] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L90] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L90] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L91] BOOL_unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L92] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L92] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L92] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L93] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L93] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L93] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L94] double_Array_0[0] = __VERIFIER_nondet_double() [L95] EXPR double_Array_0[0] [L95] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L95] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L95] EXPR double_Array_0[0] [L95] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L95] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L95] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L95] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L95] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L96] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L97] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L97] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L97] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L98] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L98] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L98] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L99] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L100] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L100] CALL assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L100] RET assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L101] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L101] CALL assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L101] RET assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L102] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L102] CALL assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L102] RET assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L103] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L104] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L104] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L104] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L105] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L105] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L105] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L120] RET updateVariables() [L121] CALL step() [L50] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L50] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L50] COND FALSE !(last_1_signed_short_int_Array_0_1_ <= ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) [L55] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L55] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L55] EXPR (((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) [L55] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L55] EXPR (((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L55] signed long int stepLocal_1 = ((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))); [L56] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L56] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L56] signed long int stepLocal_0 = (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)); [L57] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L57] COND TRUE (- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75 [L58] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L58] COND TRUE stepLocal_0 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) [L59] COND TRUE stepLocal_1 > -32 [L60] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) = 0 VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L74] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L74] signed char stepLocal_2 = (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)); [L75] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L75] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L75] EXPR (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, stepLocal_2=-25] [L75] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L75] COND TRUE (((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < stepLocal_2 [L76] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L76] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) = ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) - 256) [L80] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L80] COND FALSE !(1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR ((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) [L112] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L112] EXPR ((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR (((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR (((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR ((((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1)) && (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) - 256))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) 128))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR ((((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1)) && (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) - 256))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) 128))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR (((((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1)) && (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) - 256))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112] EXPR (((((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1)) && (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) - 256))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L112-L113] return (((((- (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) >= 16.75) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) >= (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) > -32) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 0)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1)) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) == ((unsigned char) 1))) && ((1 == (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))) : 1)) && (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) | (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) - 256))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) / (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : 1) : 1) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:4}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.4s, OverallIterations: 8, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1554 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1554 mSDsluCounter, 4191 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3237 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1503 IncrementalHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 954 mSDtfsCounter, 1503 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=6, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 430 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1288 NumberOfCodeBlocks, 1288 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 926 ConstructedInterpolants, 3 QuantifiedInterpolants, 4999 SizeOfPredicates, 9 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2706/2912 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:22:18,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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 74fee8aa4e06466e649a6b07a82fae07f22df3e533830cec1fb57a71456665c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:22:20,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:22:21,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:22:21,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:22:21,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:22:21,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:22:21,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:22:21,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:22:21,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:22:21,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:22:21,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:22:21,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:22:21,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:22:21,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:22:21,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:22:21,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:22:21,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:22:21,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:22:21,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:22:21,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:22:21,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:22:21,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:22:21,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:22:21,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:22:21,143 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:22:21,143 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:22:21,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:22:21,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:22:21,144 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:22:21,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:22:21,144 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:22:21,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:22:21,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:22:21,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:22:21,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:22:21,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:22:21,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:22:21,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:22:21,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:22:21,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:22:21,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:22:21,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:22:21,148 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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/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 -> 74fee8aa4e06466e649a6b07a82fae07f22df3e533830cec1fb57a71456665c1 [2024-11-23 23:22:21,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:22:21,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:22:21,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:22:21,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:22:21,530 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:22:21,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i [2024-11-23 23:22:24,842 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/5ff5ee925/f3d54c38cd2a4a799d7003fa2e705882/FLAG05c1d34b3 [2024-11-23 23:22:25,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:22:25,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i [2024-11-23 23:22:25,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/5ff5ee925/f3d54c38cd2a4a799d7003fa2e705882/FLAG05c1d34b3 [2024-11-23 23:22:25,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/data/5ff5ee925/f3d54c38cd2a4a799d7003fa2e705882 [2024-11-23 23:22:25,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:22:25,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:22:25,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:22:25,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:22:25,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:22:25,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fd3a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25, skipping insertion in model container [2024-11-23 23:22:25,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:22:25,435 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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i[917,930] [2024-11-23 23:22:25,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:22:25,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:22:25,562 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_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-46.i[917,930] [2024-11-23 23:22:25,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:22:25,682 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:22:25,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25 WrapperNode [2024-11-23 23:22:25,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:22:25,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:22:25,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:22:25,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:22:25,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,789 INFO L138 Inliner]: procedures = 33, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 391 [2024-11-23 23:22:25,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:22:25,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:22:25,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:22:25,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:22:25,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,872 INFO L175 MemorySlicer]: Split 101 memory accesses to 5 slices as follows [2, 37, 8, 40, 14]. 40 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 5, 1, 3, 2]. The 16 writes are split as follows [0, 9, 1, 3, 3]. [2024-11-23 23:22:25,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,914 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:22:25,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:22:25,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:22:25,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:22:25,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (1/1) ... [2024-11-23 23:22:25,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:22:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:22:26,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:22:26,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:22:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:22:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 23:22:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 23:22:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 23:22:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 23:22:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 23:22:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 23:22:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:22:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 23:22:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:22:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:22:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 23:22:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 23:22:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 23:22:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 23:22:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 23:22:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 23:22:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-23 23:22:26,296 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:22:26,298 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:22:27,356 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-23 23:22:27,356 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:22:27,378 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:22:27,378 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:22:27,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:27 BoogieIcfgContainer [2024-11-23 23:22:27,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:22:27,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:22:27,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:22:27,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:22:27,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:22:25" (1/3) ... [2024-11-23 23:22:27,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486b7d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:27, skipping insertion in model container [2024-11-23 23:22:27,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:25" (2/3) ... [2024-11-23 23:22:27,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486b7d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:27, skipping insertion in model container [2024-11-23 23:22:27,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:27" (3/3) ... [2024-11-23 23:22:27,395 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-46.i [2024-11-23 23:22:27,415 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:22:27,418 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-46.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:22:27,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:22:27,515 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;@27233111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:22:27,516 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:22:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:22:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:22:27,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:22:27,543 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:22:27,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:22:27,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:22:27,554 INFO L85 PathProgramCache]: Analyzing trace with hash -421847647, now seen corresponding path program 1 times [2024-11-23 23:22:27,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:22:27,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613383483] [2024-11-23 23:22:27,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:27,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:22:27,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:22:27,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:22:27,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:22:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:22:28,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:22:28,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:22:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-23 23:22:28,133 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:22:28,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:22:28,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613383483] [2024-11-23 23:22:28,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613383483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:22:28,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:22:28,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:22:28,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938572637] [2024-11-23 23:22:28,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:22:28,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:22:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:22:28,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:22:28,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:22:28,169 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:22:28,219 INFO L93 Difference]: Finished difference Result 179 states and 278 transitions. [2024-11-23 23:22:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:22:28,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2024-11-23 23:22:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:22:28,231 INFO L225 Difference]: With dead ends: 179 [2024-11-23 23:22:28,231 INFO L226 Difference]: Without dead ends: 89 [2024-11-23 23:22:28,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:22:28,238 INFO L435 NwaCegarLoop]: 128 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, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:22:28,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:22:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-23 23:22:28,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-23 23:22:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.36986301369863) internal successors, (100), 73 states have internal predecessors, (100), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:22:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2024-11-23 23:22:28,289 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 114 [2024-11-23 23:22:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:22:28,289 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2024-11-23 23:22:28,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:22:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2024-11-23 23:22:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:22:28,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:22:28,295 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:22:28,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:22:28,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:22:28,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:22:28,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:22:28,497 INFO L85 PathProgramCache]: Analyzing trace with hash 807549213, now seen corresponding path program 1 times [2024-11-23 23:22:28,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:22:28,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967784387] [2024-11-23 23:22:28,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:28,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:22:28,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:22:28,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:22:28,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:22:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:22:29,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:22:29,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:22:29,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:22:33,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:22:34,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-23 23:22:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:22:36,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:22:38,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:22:38,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2024-11-23 23:22:39,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:22:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967784387] [2024-11-23 23:22:39,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967784387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:22:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2080822781] [2024-11-23 23:22:39,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:22:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:22:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:22:39,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:22:39,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-23 23:22:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:22:40,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 23:22:40,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:22:44,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-23 23:22:45,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-23 23:22:46,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-23 23:22:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 99 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 23:22:48,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:22:49,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2080822781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:22:49,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:22:49,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 24 [2024-11-23 23:22:49,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252017483] [2024-11-23 23:22:49,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:22:49,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-23 23:22:49,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:22:49,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-23 23:22:49,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1292, Unknown=0, NotChecked=0, Total=1482 [2024-11-23 23:22:49,704 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 25 states, 22 states have (on average 4.045454545454546) internal successors, (89), 20 states have internal predecessors, (89), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-23 23:23:22,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:22,729 INFO L93 Difference]: Finished difference Result 460 states and 653 transitions. [2024-11-23 23:23:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-23 23:23:22,735 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.045454545454546) internal successors, (89), 20 states have internal predecessors, (89), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) Word has length 114 [2024-11-23 23:23:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:22,739 INFO L225 Difference]: With dead ends: 460 [2024-11-23 23:23:22,739 INFO L226 Difference]: Without dead ends: 374 [2024-11-23 23:23:22,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=844, Invalid=3188, Unknown=0, NotChecked=0, Total=4032 [2024-11-23 23:23:22,743 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 1395 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:22,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1395 Valid, 1635 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2024-11-23 23:23:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-23 23:23:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 208. [2024-11-23 23:23:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 166 states have (on average 1.3313253012048192) internal successors, (221), 167 states have internal predecessors, (221), 35 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-23 23:23:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2024-11-23 23:23:22,807 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 114 [2024-11-23 23:23:22,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:22,808 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2024-11-23 23:23:22,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.045454545454546) internal successors, (89), 20 states have internal predecessors, (89), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-23 23:23:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2024-11-23 23:23:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:23:22,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:22,811 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:22,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:23:23,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-23 23:23:23,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:23:23,212 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:23,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:23,213 INFO L85 PathProgramCache]: Analyzing trace with hash 220743199, now seen corresponding path program 1 times [2024-11-23 23:23:23,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:23,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617094386] [2024-11-23 23:23:23,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:23,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:23,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:23,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:23:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:23,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:23:23,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:23,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:23:23,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-23 23:23:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:23,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:23,648 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617094386] [2024-11-23 23:23:23,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617094386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:23,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:23,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:23:23,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453243967] [2024-11-23 23:23:23,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:23,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:23:23,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:23,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:23:23,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:23:23,651 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:24,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:24,037 INFO L93 Difference]: Finished difference Result 408 states and 577 transitions. [2024-11-23 23:23:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:23:24,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2024-11-23 23:23:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:24,043 INFO L225 Difference]: With dead ends: 408 [2024-11-23 23:23:24,043 INFO L226 Difference]: Without dead ends: 284 [2024-11-23 23:23:24,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:23:24,045 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 49 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:24,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 496 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:23:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-23 23:23:24,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 224. [2024-11-23 23:23:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 182 states have (on average 1.3296703296703296) internal successors, (242), 183 states have internal predecessors, (242), 35 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-23 23:23:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 312 transitions. [2024-11-23 23:23:24,085 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 312 transitions. Word has length 114 [2024-11-23 23:23:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:24,086 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 312 transitions. [2024-11-23 23:23:24,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2024-11-23 23:23:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:23:24,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:24,089 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:24,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:23:24,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:24,290 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:24,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:24,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1214006248, now seen corresponding path program 1 times [2024-11-23 23:23:24,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:24,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780771129] [2024-11-23 23:23:24,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:24,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:24,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:23:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:24,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:23:24,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:24,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:23:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:25,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:25,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:25,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780771129] [2024-11-23 23:23:25,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780771129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:25,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:25,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:23:25,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753069393] [2024-11-23 23:23:25,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:25,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:23:25,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:25,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:23:25,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:23:25,040 INFO L87 Difference]: Start difference. First operand 224 states and 312 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:25,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:25,485 INFO L93 Difference]: Finished difference Result 523 states and 739 transitions. [2024-11-23 23:23:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:23:25,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-11-23 23:23:25,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:25,489 INFO L225 Difference]: With dead ends: 523 [2024-11-23 23:23:25,489 INFO L226 Difference]: Without dead ends: 399 [2024-11-23 23:23:25,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:23:25,491 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 187 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:25,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 342 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:23:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-23 23:23:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 388. [2024-11-23 23:23:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 323 states have (on average 1.3498452012383901) internal successors, (436), 325 states have internal predecessors, (436), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-23 23:23:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 548 transitions. [2024-11-23 23:23:25,560 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 548 transitions. Word has length 115 [2024-11-23 23:23:25,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:25,562 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 548 transitions. [2024-11-23 23:23:25,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 548 transitions. [2024-11-23 23:23:25,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:23:25,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:25,570 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:25,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:23:25,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:25,771 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:25,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:25,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1636708074, now seen corresponding path program 1 times [2024-11-23 23:23:25,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:25,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009972839] [2024-11-23 23:23:25,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:25,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:25,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:25,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:25,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 23:23:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:26,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:23:26,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:28,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:23:28,701 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2024-11-23 23:23:28,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2024-11-23 23:23:28,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:23:28,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 30 [2024-11-23 23:23:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:28,907 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:28,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:28,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009972839] [2024-11-23 23:23:28,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009972839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:28,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:28,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:23:28,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745309311] [2024-11-23 23:23:28,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:28,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:23:28,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:28,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:23:28,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:23:28,910 INFO L87 Difference]: Start difference. First operand 388 states and 548 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:30,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:30,087 INFO L93 Difference]: Finished difference Result 581 states and 826 transitions. [2024-11-23 23:23:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:23:30,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-11-23 23:23:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:30,096 INFO L225 Difference]: With dead ends: 581 [2024-11-23 23:23:30,096 INFO L226 Difference]: Without dead ends: 479 [2024-11-23 23:23:30,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:23:30,098 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 168 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:30,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 635 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:23:30,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-23 23:23:30,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 392. [2024-11-23 23:23:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 327 states have (on average 1.348623853211009) internal successors, (441), 329 states have internal predecessors, (441), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-23 23:23:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 553 transitions. [2024-11-23 23:23:30,182 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 553 transitions. Word has length 115 [2024-11-23 23:23:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:30,183 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 553 transitions. [2024-11-23 23:23:30,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 553 transitions. [2024-11-23 23:23:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:23:30,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:30,186 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:30,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-23 23:23:30,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:30,387 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:30,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:30,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1417211638, now seen corresponding path program 1 times [2024-11-23 23:23:30,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:30,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941078464] [2024-11-23 23:23:30,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:30,391 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:30,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 23:23:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:30,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:23:30,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:33,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:23:33,024 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 94 treesize of output 34 [2024-11-23 23:23:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-23 23:23:33,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:23:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:33,635 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:33,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941078464] [2024-11-23 23:23:33,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941078464] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:23:33,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:23:33,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-11-23 23:23:33,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490857134] [2024-11-23 23:23:33,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:33,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:23:33,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:33,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:23:33,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:23:33,638 INFO L87 Difference]: Start difference. First operand 392 states and 553 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:34,124 INFO L93 Difference]: Finished difference Result 869 states and 1226 transitions. [2024-11-23 23:23:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:23:34,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-23 23:23:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:34,130 INFO L225 Difference]: With dead ends: 869 [2024-11-23 23:23:34,131 INFO L226 Difference]: Without dead ends: 574 [2024-11-23 23:23:34,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:23:34,137 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 136 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:34,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 473 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:23:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-23 23:23:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 561. [2024-11-23 23:23:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 474 states have (on average 1.3417721518987342) internal successors, (636), 479 states have internal predecessors, (636), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 69 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:23:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 784 transitions. [2024-11-23 23:23:34,227 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 784 transitions. Word has length 116 [2024-11-23 23:23:34,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:34,228 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 784 transitions. [2024-11-23 23:23:34,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 784 transitions. [2024-11-23 23:23:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:23:34,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:34,230 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:34,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-23 23:23:34,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:34,435 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:34,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 407816570, now seen corresponding path program 1 times [2024-11-23 23:23:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903256698] [2024-11-23 23:23:34,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:34,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:34,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:34,442 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:34,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 23:23:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:34,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:23:34,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:34,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-23 23:23:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:34,953 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:34,953 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:34,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903256698] [2024-11-23 23:23:34,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903256698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:34,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:34,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:23:34,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572563803] [2024-11-23 23:23:34,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:34,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:23:34,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:34,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:23:34,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:23:34,955 INFO L87 Difference]: Start difference. First operand 561 states and 784 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:37,659 INFO L93 Difference]: Finished difference Result 1136 states and 1586 transitions. [2024-11-23 23:23:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:23:37,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-23 23:23:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:37,665 INFO L225 Difference]: With dead ends: 1136 [2024-11-23 23:23:37,665 INFO L226 Difference]: Without dead ends: 696 [2024-11-23 23:23:37,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:23:37,668 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 75 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:37,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 419 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-23 23:23:37,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-23 23:23:37,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 592. [2024-11-23 23:23:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 503 states have (on average 1.3359840954274353) internal successors, (672), 508 states have internal predecessors, (672), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 69 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:23:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 820 transitions. [2024-11-23 23:23:37,741 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 820 transitions. Word has length 116 [2024-11-23 23:23:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:37,742 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 820 transitions. [2024-11-23 23:23:37,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 820 transitions. [2024-11-23 23:23:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:23:37,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:37,744 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:37,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:23:37,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:37,945 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:37,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:37,945 INFO L85 PathProgramCache]: Analyzing trace with hash 14789560, now seen corresponding path program 1 times [2024-11-23 23:23:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315458326] [2024-11-23 23:23:37,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:37,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:37,949 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:37,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 23:23:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:38,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:23:38,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:38,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:38,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315458326] [2024-11-23 23:23:38,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315458326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:38,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:38,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:23:38,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390623188] [2024-11-23 23:23:38,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:38,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:23:38,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:38,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:23:38,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:23:38,297 INFO L87 Difference]: Start difference. First operand 592 states and 820 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:38,440 INFO L93 Difference]: Finished difference Result 1108 states and 1544 transitions. [2024-11-23 23:23:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:23:38,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-23 23:23:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:38,445 INFO L225 Difference]: With dead ends: 1108 [2024-11-23 23:23:38,445 INFO L226 Difference]: Without dead ends: 616 [2024-11-23 23:23:38,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:23:38,448 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:38,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 483 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:23:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-23 23:23:38,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2024-11-23 23:23:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 527 states have (on average 1.3206831119544593) internal successors, (696), 532 states have internal predecessors, (696), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 69 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:23:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 844 transitions. [2024-11-23 23:23:38,523 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 844 transitions. Word has length 116 [2024-11-23 23:23:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:38,523 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 844 transitions. [2024-11-23 23:23:38,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 844 transitions. [2024-11-23 23:23:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-23 23:23:38,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:38,526 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:38,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-23 23:23:38,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:38,727 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:38,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2103538353, now seen corresponding path program 1 times [2024-11-23 23:23:38,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:38,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669871834] [2024-11-23 23:23:38,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:38,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:38,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:38,731 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:38,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-23 23:23:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:39,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 23:23:39,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:39,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:23:40,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-11-23 23:23:41,969 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 39 treesize of output 37 [2024-11-23 23:23:46,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2024-11-23 23:23:46,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2024-11-23 23:23:47,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:23:47,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 48 [2024-11-23 23:23:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 172 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-23 23:23:47,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:23:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:47,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669871834] [2024-11-23 23:23:47,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669871834] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:23:47,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:23:47,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2024-11-23 23:23:47,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383996429] [2024-11-23 23:23:47,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:47,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:23:47,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:47,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:23:47,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:23:47,894 INFO L87 Difference]: Start difference. First operand 616 states and 844 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:48,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:48,515 INFO L93 Difference]: Finished difference Result 883 states and 1216 transitions. [2024-11-23 23:23:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:23:48,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-11-23 23:23:48,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:48,520 INFO L225 Difference]: With dead ends: 883 [2024-11-23 23:23:48,520 INFO L226 Difference]: Without dead ends: 626 [2024-11-23 23:23:48,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:23:48,522 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 45 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:48,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 682 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:23:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-23 23:23:48,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 612. [2024-11-23 23:23:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 523 states have (on average 1.3231357552581262) internal successors, (692), 528 states have internal predecessors, (692), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 69 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:23:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 840 transitions. [2024-11-23 23:23:48,593 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 840 transitions. Word has length 117 [2024-11-23 23:23:48,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:48,594 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 840 transitions. [2024-11-23 23:23:48,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 840 transitions. [2024-11-23 23:23:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:23:48,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:48,596 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:48,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-23 23:23:48,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:48,797 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:48,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:48,797 INFO L85 PathProgramCache]: Analyzing trace with hash -185295277, now seen corresponding path program 1 times [2024-11-23 23:23:48,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:48,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291721034] [2024-11-23 23:23:48,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:48,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:48,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:48,800 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:48,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-23 23:23:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:49,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 23:23:49,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:49,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:23:52,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:23:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:23:55,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:23:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:56,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:56,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291721034] [2024-11-23 23:23:56,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291721034] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:23:56,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:23:56,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2024-11-23 23:23:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877429940] [2024-11-23 23:23:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:56,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:23:56,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:56,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:23:56,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:23:56,894 INFO L87 Difference]: Start difference. First operand 612 states and 840 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:57,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:57,527 INFO L93 Difference]: Finished difference Result 1594 states and 2193 transitions. [2024-11-23 23:23:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:23:57,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-23 23:23:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:57,533 INFO L225 Difference]: With dead ends: 1594 [2024-11-23 23:23:57,534 INFO L226 Difference]: Without dead ends: 1083 [2024-11-23 23:23:57,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:23:57,536 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 126 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:57,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 396 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:23:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-11-23 23:23:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 823. [2024-11-23 23:23:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 734 states have (on average 1.3419618528610355) internal successors, (985), 739 states have internal predecessors, (985), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 69 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:23:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1133 transitions. [2024-11-23 23:23:57,622 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1133 transitions. Word has length 118 [2024-11-23 23:23:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:57,623 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1133 transitions. [2024-11-23 23:23:57,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1133 transitions. [2024-11-23 23:23:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:23:57,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:57,626 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:57,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-23 23:23:57,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:57,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:57,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:57,828 INFO L85 PathProgramCache]: Analyzing trace with hash -994641903, now seen corresponding path program 1 times [2024-11-23 23:23:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:57,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042952726] [2024-11-23 23:23:57,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:57,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:57,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:57,832 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:57,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-23 23:23:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:58,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:23:58,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:58,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:23:58,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-23 23:23:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:58,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:58,273 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:58,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042952726] [2024-11-23 23:23:58,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042952726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:58,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:58,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:23:58,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805763801] [2024-11-23 23:23:58,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:58,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:23:58,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:58,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:23:58,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:23:58,275 INFO L87 Difference]: Start difference. First operand 823 states and 1133 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:58,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:23:58,683 INFO L93 Difference]: Finished difference Result 1728 states and 2378 transitions. [2024-11-23 23:23:58,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:23:58,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-23 23:23:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:23:58,690 INFO L225 Difference]: With dead ends: 1728 [2024-11-23 23:23:58,690 INFO L226 Difference]: Without dead ends: 1039 [2024-11-23 23:23:58,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:23:58,692 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 86 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:23:58,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 787 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:23:58,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-23 23:23:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1035. [2024-11-23 23:23:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 895 states have (on average 1.311731843575419) internal successors, (1174), 905 states have internal predecessors, (1174), 117 states have call successors, (117), 22 states have call predecessors, (117), 22 states have return successors, (117), 107 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-23 23:23:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1408 transitions. [2024-11-23 23:23:58,813 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1408 transitions. Word has length 118 [2024-11-23 23:23:58,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:23:58,814 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1408 transitions. [2024-11-23 23:23:58,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:23:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1408 transitions. [2024-11-23 23:23:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:23:58,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:23:58,816 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:23:58,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-23 23:23:59,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:59,018 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:23:59,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:23:59,018 INFO L85 PathProgramCache]: Analyzing trace with hash -434022304, now seen corresponding path program 1 times [2024-11-23 23:23:59,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:23:59,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251945162] [2024-11-23 23:23:59,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:23:59,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:23:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:23:59,021 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:23:59,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-23 23:23:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:23:59,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:23:59,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:23:59,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:23:59,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-23 23:23:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:23:59,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:23:59,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:23:59,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251945162] [2024-11-23 23:23:59,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251945162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:23:59,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:23:59,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:23:59,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711775508] [2024-11-23 23:23:59,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:23:59,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:23:59,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:23:59,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:23:59,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:23:59,508 INFO L87 Difference]: Start difference. First operand 1035 states and 1408 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:24:00,049 INFO L93 Difference]: Finished difference Result 1992 states and 2717 transitions. [2024-11-23 23:24:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:24:00,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-23 23:24:00,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:24:00,056 INFO L225 Difference]: With dead ends: 1992 [2024-11-23 23:24:00,056 INFO L226 Difference]: Without dead ends: 1164 [2024-11-23 23:24:00,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:24:00,059 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 48 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:24:00,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 660 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:24:00,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-11-23 23:24:00,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1073. [2024-11-23 23:24:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 933 states have (on average 1.3065380493033225) internal successors, (1219), 943 states have internal predecessors, (1219), 117 states have call successors, (117), 22 states have call predecessors, (117), 22 states have return successors, (117), 107 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-23 23:24:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1453 transitions. [2024-11-23 23:24:00,173 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1453 transitions. Word has length 118 [2024-11-23 23:24:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:24:00,173 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1453 transitions. [2024-11-23 23:24:00,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1453 transitions. [2024-11-23 23:24:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:24:00,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:24:00,176 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:24:00,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-23 23:24:00,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:00,377 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:24:00,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:24:00,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1020828318, now seen corresponding path program 1 times [2024-11-23 23:24:00,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:24:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870901566] [2024-11-23 23:24:00,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:24:00,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:24:00,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:24:00,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:24:00,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:24:00,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:24:00,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:24:00,855 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 95 treesize of output 35 [2024-11-23 23:24:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:24:04,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:24:04,152 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:24:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870901566] [2024-11-23 23:24:04,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870901566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:24:04,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:24:04,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:24:04,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473657445] [2024-11-23 23:24:04,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:24:04,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:24:04,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:24:04,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:24:04,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:24:04,154 INFO L87 Difference]: Start difference. First operand 1073 states and 1453 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:05,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:24:12,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:24:17,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:24:19,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:24:21,856 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] [2024-11-23 23:24:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:24:21,953 INFO L93 Difference]: Finished difference Result 1854 states and 2490 transitions. [2024-11-23 23:24:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:24:21,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-23 23:24:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:24:21,960 INFO L225 Difference]: With dead ends: 1854 [2024-11-23 23:24:21,960 INFO L226 Difference]: Without dead ends: 988 [2024-11-23 23:24:21,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:24:21,963 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 53 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:24:21,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 448 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2024-11-23 23:24:21,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-23 23:24:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 667. [2024-11-23 23:24:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 574 states have (on average 1.289198606271777) internal successors, (740), 577 states have internal predecessors, (740), 73 states have call successors, (73), 19 states have call predecessors, (73), 19 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-23 23:24:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 886 transitions. [2024-11-23 23:24:22,048 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 886 transitions. Word has length 118 [2024-11-23 23:24:22,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:24:22,048 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 886 transitions. [2024-11-23 23:24:22,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 886 transitions. [2024-11-23 23:24:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:24:22,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:24:22,050 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:24:22,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:22,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:22,251 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:24:22,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:24:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1503648465, now seen corresponding path program 1 times [2024-11-23 23:24:22,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:24:22,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799887638] [2024-11-23 23:24:22,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:24:22,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:24:22,255 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:24:22,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-23 23:24:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:24:22,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 23:24:22,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:24:24,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-11-23 23:24:24,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:24:24,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 42 [2024-11-23 23:24:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:24:25,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:24:25,097 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:24:25,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799887638] [2024-11-23 23:24:25,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799887638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:24:25,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:24:25,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:24:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704095051] [2024-11-23 23:24:25,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:24:25,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:24:25,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:24:25,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:24:25,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:24:25,099 INFO L87 Difference]: Start difference. First operand 667 states and 886 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:25,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:24:25,724 INFO L93 Difference]: Finished difference Result 1270 states and 1689 transitions. [2024-11-23 23:24:25,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:24:25,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-23 23:24:25,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:24:25,729 INFO L225 Difference]: With dead ends: 1270 [2024-11-23 23:24:25,729 INFO L226 Difference]: Without dead ends: 694 [2024-11-23 23:24:25,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:24:25,731 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 162 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:24:25,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 881 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:24:25,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-23 23:24:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 635. [2024-11-23 23:24:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 555 states have (on average 1.2882882882882882) internal successors, (715), 557 states have internal predecessors, (715), 61 states have call successors, (61), 18 states have call predecessors, (61), 18 states have return successors, (61), 59 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-23 23:24:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 837 transitions. [2024-11-23 23:24:25,818 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 837 transitions. Word has length 118 [2024-11-23 23:24:25,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:24:25,819 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 837 transitions. [2024-11-23 23:24:25,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 837 transitions. [2024-11-23 23:24:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:24:25,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:24:25,820 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:24:25,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-23 23:24:26,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:26,021 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:24:26,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:24:26,022 INFO L85 PathProgramCache]: Analyzing trace with hash 694301839, now seen corresponding path program 1 times [2024-11-23 23:24:26,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:24:26,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392385775] [2024-11-23 23:24:26,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:24:26,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:26,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:24:26,024 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:24:26,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:24:26,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 23:24:26,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:24:26,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:24:30,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:24:35,756 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 23:24:35,757 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 46 [2024-11-23 23:24:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:24:37,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:24:39,264 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:24:39,264 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:24:39,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392385775] [2024-11-23 23:24:39,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392385775] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:24:39,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:24:39,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-11-23 23:24:39,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060976933] [2024-11-23 23:24:39,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:24:39,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:24:39,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:24:39,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:24:39,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:24:39,266 INFO L87 Difference]: Start difference. First operand 635 states and 837 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:24:40,014 INFO L93 Difference]: Finished difference Result 1222 states and 1614 transitions. [2024-11-23 23:24:40,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:24:40,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-23 23:24:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:24:40,018 INFO L225 Difference]: With dead ends: 1222 [2024-11-23 23:24:40,018 INFO L226 Difference]: Without dead ends: 678 [2024-11-23 23:24:40,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:24:40,019 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 72 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:24:40,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 511 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:24:40,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-23 23:24:40,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 512. [2024-11-23 23:24:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 455 states have (on average 1.2967032967032968) internal successors, (590), 455 states have internal predecessors, (590), 42 states have call successors, (42), 14 states have call predecessors, (42), 14 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:24:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 674 transitions. [2024-11-23 23:24:40,091 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 674 transitions. Word has length 118 [2024-11-23 23:24:40,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:24:40,092 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 674 transitions. [2024-11-23 23:24:40,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:24:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 674 transitions. [2024-11-23 23:24:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:24:40,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:24:40,094 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:24:40,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:40,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:40,295 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:24:40,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:24:40,295 INFO L85 PathProgramCache]: Analyzing trace with hash 349099979, now seen corresponding path program 1 times [2024-11-23 23:24:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:24:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947245451] [2024-11-23 23:24:40,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:24:40,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:24:40,300 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:24:40,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:24:40,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:24:40,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:24:41,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:24:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 204 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-23 23:24:41,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:24:42,415 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-23 23:24:42,415 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 22 treesize of output 21 [2024-11-23 23:24:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 23:24:42,753 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:24:42,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947245451] [2024-11-23 23:24:42,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947245451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:24:42,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:24:42,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-23 23:24:42,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037287491] [2024-11-23 23:24:42,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:24:42,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:24:42,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:24:42,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:24:42,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:24:42,755 INFO L87 Difference]: Start difference. First operand 512 states and 674 transitions. Second operand has 12 states, 10 states have (on average 6.8) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-23 23:24:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:24:44,740 INFO L93 Difference]: Finished difference Result 1027 states and 1347 transitions. [2024-11-23 23:24:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:24:44,742 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 120 [2024-11-23 23:24:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:24:44,744 INFO L225 Difference]: With dead ends: 1027 [2024-11-23 23:24:44,745 INFO L226 Difference]: Without dead ends: 600 [2024-11-23 23:24:44,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:24:44,746 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 288 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:24:44,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 703 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 23:24:44,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-23 23:24:44,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 581. [2024-11-23 23:24:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 518 states have (on average 1.2837837837837838) internal successors, (665), 519 states have internal predecessors, (665), 46 states have call successors, (46), 16 states have call predecessors, (46), 16 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:24:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 757 transitions. [2024-11-23 23:24:44,840 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 757 transitions. Word has length 120 [2024-11-23 23:24:44,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:24:44,841 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 757 transitions. [2024-11-23 23:24:44,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-23 23:24:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 757 transitions. [2024-11-23 23:24:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:24:44,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:24:44,842 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:24:44,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:45,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:45,043 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:24:45,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:24:45,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1358607819, now seen corresponding path program 1 times [2024-11-23 23:24:45,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:24:45,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152812168] [2024-11-23 23:24:45,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:24:45,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:24:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:24:45,050 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:24:45,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:24:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:24:45,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:24:45,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:24:45,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:24:49,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:24:55,186 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 23:24:55,187 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 74 treesize of output 51 [2024-11-23 23:24:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:24:58,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:25:11,329 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:25:11,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152812168] [2024-11-23 23:25:11,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152812168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:25:11,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1998082995] [2024-11-23 23:25:11,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:25:11,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:25:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:25:11,332 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:25:11,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-23 23:25:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:25:12,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-23 23:25:12,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:25:18,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 23:25:24,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-23 23:25:29,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-23 23:25:47,848 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 23:25:47,848 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 82 treesize of output 55 [2024-11-23 23:25:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 73 proven. 143 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-23 23:25:58,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:26:13,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1998082995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:26:13,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:26:13,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 40 [2024-11-23 23:26:13,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664365254] [2024-11-23 23:26:13,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:26:13,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-23 23:26:13,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:13,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-23 23:26:13,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2433, Unknown=1, NotChecked=0, Total=2756 [2024-11-23 23:26:13,454 INFO L87 Difference]: Start difference. First operand 581 states and 757 transitions. Second operand has 41 states, 37 states have (on average 2.945945945945946) internal successors, (109), 34 states have internal predecessors, (109), 9 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-23 23:26:33,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:26:35,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:27:43,732 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 96 DAG size of output: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 23:28:28,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:28:28,052 INFO L93 Difference]: Finished difference Result 1658 states and 2134 transitions. [2024-11-23 23:28:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-23 23:28:28,059 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 37 states have (on average 2.945945945945946) internal successors, (109), 34 states have internal predecessors, (109), 9 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) Word has length 120 [2024-11-23 23:28:28,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:28:28,065 INFO L225 Difference]: With dead ends: 1658 [2024-11-23 23:28:28,065 INFO L226 Difference]: Without dead ends: 1383 [2024-11-23 23:28:28,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2235 ImplicationChecksByTransitivity, 135.8s TimeCoverageRelationStatistics Valid=1258, Invalid=6397, Unknown=1, NotChecked=0, Total=7656 [2024-11-23 23:28:28,069 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 1854 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 2657 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:28:28,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 2657 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1869 Invalid, 0 Unknown, 0 Unchecked, 66.2s Time] [2024-11-23 23:28:28,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-23 23:28:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 583. [2024-11-23 23:28:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 520 states have (on average 1.2826923076923078) internal successors, (667), 521 states have internal predecessors, (667), 46 states have call successors, (46), 16 states have call predecessors, (46), 16 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:28:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 759 transitions. [2024-11-23 23:28:28,189 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 759 transitions. Word has length 120 [2024-11-23 23:28:28,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:28:28,190 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 759 transitions. [2024-11-23 23:28:28,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 37 states have (on average 2.945945945945946) internal successors, (109), 34 states have internal predecessors, (109), 9 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-23 23:28:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 759 transitions. [2024-11-23 23:28:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:28:28,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:28:28,192 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:28:28,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:28:28,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-23 23:28:28,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:28:28,593 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:28:28,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:28:28,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1247415735, now seen corresponding path program 1 times [2024-11-23 23:28:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:28:28,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909513816] [2024-11-23 23:28:28,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:28:28,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:28:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:28:28,599 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:28:28,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:28:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:28:29,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 23:28:29,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:28:34,174 INFO L349 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2024-11-23 23:28:34,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2024-11-23 23:28:34,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:28:34,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2024-11-23 23:28:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 204 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-23 23:28:34,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:28:35,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:28:35,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909513816] [2024-11-23 23:28:35,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909513816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:28:35,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [591357727] [2024-11-23 23:28:35,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:28:35,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:28:35,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:28:35,407 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:28:35,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-23 23:28:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:28:36,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:28:36,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:28:39,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:28:43,823 INFO L349 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2024-11-23 23:28:43,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2024-11-23 23:28:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-23 23:28:44,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:28:45,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [591357727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:28:45,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:28:45,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-23 23:28:45,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943759283] [2024-11-23 23:28:45,191 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:28:45,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 23:28:45,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:28:45,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 23:28:45,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:28:45,192 INFO L87 Difference]: Start difference. First operand 583 states and 759 transitions. Second operand has 15 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-23 23:28:50,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:28:50,713 INFO L93 Difference]: Finished difference Result 971 states and 1251 transitions. [2024-11-23 23:28:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:28:50,715 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 120 [2024-11-23 23:28:50,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:28:50,718 INFO L225 Difference]: With dead ends: 971 [2024-11-23 23:28:50,718 INFO L226 Difference]: Without dead ends: 667 [2024-11-23 23:28:50,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=300, Invalid=890, Unknown=0, NotChecked=0, Total=1190 [2024-11-23 23:28:50,720 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 534 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:28:50,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 575 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-23 23:28:50,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-23 23:28:50,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 513. [2024-11-23 23:28:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 449 states have (on average 1.2494432071269488) internal successors, (561), 450 states have internal predecessors, (561), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:28:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 653 transitions. [2024-11-23 23:28:50,877 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 653 transitions. Word has length 120 [2024-11-23 23:28:50,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:28:50,878 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 653 transitions. [2024-11-23 23:28:50,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-23 23:28:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 653 transitions. [2024-11-23 23:28:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:28:50,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:28:50,880 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:28:50,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:28:51,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-23 23:28:51,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:28:51,281 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:28:51,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:28:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1834221749, now seen corresponding path program 1 times [2024-11-23 23:28:51,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:28:51,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000237619] [2024-11-23 23:28:51,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:28:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:28:51,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:28:51,284 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:28:51,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:28:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:28:51,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 23:28:51,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:28:52,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:28:54,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-23 23:29:00,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2024-11-23 23:29:00,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:29:00,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 38 [2024-11-23 23:29:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 19 proven. 160 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-23 23:29:01,333 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:29:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:29:02,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:29:02,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000237619] [2024-11-23 23:29:02,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000237619] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:29:02,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:29:02,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-11-23 23:29:02,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749514710] [2024-11-23 23:29:02,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:02,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:29:02,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:29:02,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:29:02,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:29:02,447 INFO L87 Difference]: Start difference. First operand 513 states and 653 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:29:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:03,624 INFO L93 Difference]: Finished difference Result 868 states and 1115 transitions. [2024-11-23 23:29:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:29:03,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2024-11-23 23:29:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:03,628 INFO L225 Difference]: With dead ends: 868 [2024-11-23 23:29:03,629 INFO L226 Difference]: Without dead ends: 643 [2024-11-23 23:29:03,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:29:03,630 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 43 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:03,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 817 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:29:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-23 23:29:03,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 555. [2024-11-23 23:29:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 491 states have (on average 1.2484725050916496) internal successors, (613), 492 states have internal predecessors, (613), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:29:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 705 transitions. [2024-11-23 23:29:03,766 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 705 transitions. Word has length 120 [2024-11-23 23:29:03,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:03,766 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 705 transitions. [2024-11-23 23:29:03,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:29:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 705 transitions. [2024-11-23 23:29:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:29:03,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:03,768 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:03,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:29:03,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:29:03,970 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:03,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:03,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1979876843, now seen corresponding path program 1 times [2024-11-23 23:29:03,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:29:03,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117291260] [2024-11-23 23:29:03,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:03,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:29:03,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:29:03,975 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:29:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-23 23:29:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:04,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-23 23:29:04,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:29:04,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:29:11,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:29:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:29:26,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:29:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:29:43,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:29:43,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117291260] [2024-11-23 23:29:43,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117291260] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:29:43,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:29:43,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [22] total 31 [2024-11-23 23:29:43,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722731629] [2024-11-23 23:29:43,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:43,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:29:43,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:29:43,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:29:43,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=799, Unknown=0, NotChecked=0, Total=930 [2024-11-23 23:29:43,693 INFO L87 Difference]: Start difference. First operand 555 states and 705 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:29:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:56,150 INFO L93 Difference]: Finished difference Result 1161 states and 1495 transitions. [2024-11-23 23:29:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:29:56,156 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2024-11-23 23:29:56,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:56,159 INFO L225 Difference]: With dead ends: 1161 [2024-11-23 23:29:56,160 INFO L226 Difference]: Without dead ends: 893 [2024-11-23 23:29:56,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 32.4s TimeCoverageRelationStatistics Valid=170, Invalid=952, Unknown=0, NotChecked=0, Total=1122 [2024-11-23 23:29:56,162 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 608 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:56,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 769 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-23 23:29:56,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-11-23 23:29:56,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 579. [2024-11-23 23:29:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 515 states have (on average 1.2466019417475729) internal successors, (642), 516 states have internal predecessors, (642), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:29:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 734 transitions. [2024-11-23 23:29:56,318 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 734 transitions. Word has length 120 [2024-11-23 23:29:56,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:56,319 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 734 transitions. [2024-11-23 23:29:56,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:29:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 734 transitions. [2024-11-23 23:29:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:29:56,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:56,321 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:56,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-23 23:29:56,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:29:56,523 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:56,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:56,525 INFO L85 PathProgramCache]: Analyzing trace with hash -626146711, now seen corresponding path program 1 times [2024-11-23 23:29:56,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:29:56,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129846866] [2024-11-23 23:29:56,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:56,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:29:56,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:29:56,529 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:29:56,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-23 23:29:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:57,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-23 23:29:57,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:29:57,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:30:04,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:30:29,087 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 23:30:29,088 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 89 treesize of output 58 [2024-11-23 23:30:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:30:33,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:30:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:30:50,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:30:50,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129846866] [2024-11-23 23:30:50,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129846866] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:50,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:30:50,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24] total 33 [2024-11-23 23:30:50,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144218873] [2024-11-23 23:30:50,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:50,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:30:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:30:50,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:30:50,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=928, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 23:30:50,746 INFO L87 Difference]: Start difference. First operand 579 states and 734 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:31:03,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:31:03,060 INFO L93 Difference]: Finished difference Result 1163 states and 1493 transitions. [2024-11-23 23:31:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:31:03,065 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2024-11-23 23:31:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:31:03,067 INFO L225 Difference]: With dead ends: 1163 [2024-11-23 23:31:03,068 INFO L226 Difference]: Without dead ends: 885 [2024-11-23 23:31:03,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 43.7s TimeCoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 23:31:03,069 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 259 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:31:03,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 896 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-23 23:31:03,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2024-11-23 23:31:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 597. [2024-11-23 23:31:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 533 states have (on average 1.2420262664165103) internal successors, (662), 534 states have internal predecessors, (662), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:31:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 754 transitions. [2024-11-23 23:31:03,218 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 754 transitions. Word has length 120 [2024-11-23 23:31:03,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:31:03,218 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 754 transitions. [2024-11-23 23:31:03,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:31:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 754 transitions. [2024-11-23 23:31:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:31:03,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:03,220 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:03,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-23 23:31:03,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:03,425 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:03,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:03,426 INFO L85 PathProgramCache]: Analyzing trace with hash 434218883, now seen corresponding path program 1 times [2024-11-23 23:31:03,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:31:03,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535083956] [2024-11-23 23:31:03,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:03,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:03,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:31:03,429 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:31:03,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-23 23:31:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:03,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:31:03,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:31:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:31:04,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:31:04,051 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:31:04,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535083956] [2024-11-23 23:31:04,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535083956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:04,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:04,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:31:04,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262722364] [2024-11-23 23:31:04,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:04,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:31:04,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:31:04,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:31:04,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:31:04,053 INFO L87 Difference]: Start difference. First operand 597 states and 754 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:31:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:31:04,349 INFO L93 Difference]: Finished difference Result 611 states and 770 transitions. [2024-11-23 23:31:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:31:04,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2024-11-23 23:31:04,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:31:04,354 INFO L225 Difference]: With dead ends: 611 [2024-11-23 23:31:04,354 INFO L226 Difference]: Without dead ends: 609 [2024-11-23 23:31:04,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:31:04,356 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:31:04,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:31:04,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-23 23:31:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2024-11-23 23:31:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 545 states have (on average 1.236697247706422) internal successors, (674), 546 states have internal predecessors, (674), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 23:31:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 766 transitions. [2024-11-23 23:31:04,445 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 766 transitions. Word has length 120 [2024-11-23 23:31:04,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:31:04,445 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 766 transitions. [2024-11-23 23:31:04,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:31:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 766 transitions. [2024-11-23 23:31:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:31:04,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:04,447 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:04,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-23 23:31:04,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:04,648 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:04,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:04,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1914796325, now seen corresponding path program 1 times [2024-11-23 23:31:04,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:31:04,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437882887] [2024-11-23 23:31:04,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:04,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:04,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:31:04,654 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:31:04,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-23 23:31:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:05,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-23 23:31:05,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:31:05,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:31:11,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:31:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:31:33,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:31:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:31:51,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:31:51,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437882887] [2024-11-23 23:31:51,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437882887] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:31:51,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:31:51,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [23] total 34 [2024-11-23 23:31:51,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962135286] [2024-11-23 23:31:51,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:51,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:31:51,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:31:51,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:31:51,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=984, Unknown=0, NotChecked=0, Total=1122 [2024-11-23 23:31:51,620 INFO L87 Difference]: Start difference. First operand 609 states and 766 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:32:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:09,164 INFO L93 Difference]: Finished difference Result 1300 states and 1644 transitions. [2024-11-23 23:32:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:32:09,170 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-23 23:32:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:09,174 INFO L225 Difference]: With dead ends: 1300 [2024-11-23 23:32:09,174 INFO L226 Difference]: Without dead ends: 1026 [2024-11-23 23:32:09,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 38.3s TimeCoverageRelationStatistics Valid=209, Invalid=1273, Unknown=0, NotChecked=0, Total=1482 [2024-11-23 23:32:09,175 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 471 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:09,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1396 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-23 23:32:09,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-23 23:32:09,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 688. [2024-11-23 23:32:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 616 states have (on average 1.2353896103896105) internal successors, (761), 618 states have internal predecessors, (761), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:32:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 865 transitions. [2024-11-23 23:32:09,303 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 865 transitions. Word has length 121 [2024-11-23 23:32:09,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:09,304 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 865 transitions. [2024-11-23 23:32:09,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:32:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 865 transitions. [2024-11-23 23:32:09,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:32:09,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:09,306 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:09,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-23 23:32:09,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:32:09,507 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:09,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:09,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1369053721, now seen corresponding path program 1 times [2024-11-23 23:32:09,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:32:09,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832869191] [2024-11-23 23:32:09,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:09,508 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:32:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:32:09,510 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:32:09,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-23 23:32:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:09,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:32:09,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:32:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 138 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-23 23:32:21,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:32:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:32:30,484 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:32:30,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832869191] [2024-11-23 23:32:30,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832869191] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:32:30,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:32:30,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 25 [2024-11-23 23:32:30,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273867822] [2024-11-23 23:32:30,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:30,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:32:30,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:32:30,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:32:30,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:32:30,487 INFO L87 Difference]: Start difference. First operand 688 states and 865 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:32:48,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:48,663 INFO L93 Difference]: Finished difference Result 1317 states and 1665 transitions. [2024-11-23 23:32:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:32:48,670 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-23 23:32:48,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:48,672 INFO L225 Difference]: With dead ends: 1317 [2024-11-23 23:32:48,672 INFO L226 Difference]: Without dead ends: 984 [2024-11-23 23:32:48,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2024-11-23 23:32:48,674 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 295 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:48,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1564 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-23 23:32:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-23 23:32:48,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 686. [2024-11-23 23:32:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 614 states have (on average 1.229641693811075) internal successors, (755), 616 states have internal predecessors, (755), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:32:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 859 transitions. [2024-11-23 23:32:48,816 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 859 transitions. Word has length 121 [2024-11-23 23:32:48,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:48,816 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 859 transitions. [2024-11-23 23:32:48,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:32:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 859 transitions. [2024-11-23 23:32:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:32:48,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:48,817 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:48,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-23 23:32:49,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:32:49,018 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:49,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:49,018 INFO L85 PathProgramCache]: Analyzing trace with hash 358143035, now seen corresponding path program 1 times [2024-11-23 23:32:49,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:32:49,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656768440] [2024-11-23 23:32:49,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:49,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:32:49,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:32:49,020 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:32:49,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-23 23:32:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:49,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:32:49,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:32:49,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:32:49,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-23 23:32:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:32:49,629 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:32:49,629 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:32:49,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656768440] [2024-11-23 23:32:49,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656768440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:49,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:49,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:32:49,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109792747] [2024-11-23 23:32:49,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:49,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:32:49,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:32:49,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:32:49,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:32:49,630 INFO L87 Difference]: Start difference. First operand 686 states and 859 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:32:50,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:50,496 INFO L93 Difference]: Finished difference Result 1114 states and 1403 transitions. [2024-11-23 23:32:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:32:50,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-23 23:32:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:50,500 INFO L225 Difference]: With dead ends: 1114 [2024-11-23 23:32:50,500 INFO L226 Difference]: Without dead ends: 790 [2024-11-23 23:32:50,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:32:50,501 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 40 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:50,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 864 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:32:50,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-23 23:32:50,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 702. [2024-11-23 23:32:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 630 states have (on average 1.2365079365079366) internal successors, (779), 632 states have internal predecessors, (779), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:32:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 883 transitions. [2024-11-23 23:32:50,605 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 883 transitions. Word has length 121 [2024-11-23 23:32:50,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:50,606 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 883 transitions. [2024-11-23 23:32:50,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:32:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 883 transitions. [2024-11-23 23:32:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:32:50,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:50,607 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:50,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-23 23:32:50,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:32:50,808 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:50,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash 664335106, now seen corresponding path program 1 times [2024-11-23 23:32:50,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:32:50,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837480218] [2024-11-23 23:32:50,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:50,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:32:50,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:32:50,810 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:32:50,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-23 23:32:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:51,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:32:51,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:32:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:32:53,627 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:32:53,627 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:32:53,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837480218] [2024-11-23 23:32:53,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837480218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:53,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:53,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:32:53,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598265198] [2024-11-23 23:32:53,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:53,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:32:53,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:32:53,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:32:53,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:32:53,629 INFO L87 Difference]: Start difference. First operand 702 states and 883 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:33:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:00,719 INFO L93 Difference]: Finished difference Result 1740 states and 2202 transitions. [2024-11-23 23:33:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:33:00,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-23 23:33:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:00,734 INFO L225 Difference]: With dead ends: 1740 [2024-11-23 23:33:00,734 INFO L226 Difference]: Without dead ends: 1375 [2024-11-23 23:33:00,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:33:00,736 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 180 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:00,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1064 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-23 23:33:00,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-11-23 23:33:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 766. [2024-11-23 23:33:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 694 states have (on average 1.2406340057636887) internal successors, (861), 696 states have internal predecessors, (861), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 965 transitions. [2024-11-23 23:33:00,879 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 965 transitions. Word has length 121 [2024-11-23 23:33:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:00,879 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 965 transitions. [2024-11-23 23:33:00,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:33:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 965 transitions. [2024-11-23 23:33:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:33:00,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:00,881 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:00,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-11-23 23:33:01,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:01,081 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:01,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:01,082 INFO L85 PathProgramCache]: Analyzing trace with hash 804883716, now seen corresponding path program 1 times [2024-11-23 23:33:01,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:01,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682750456] [2024-11-23 23:33:01,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:01,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:01,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:01,084 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:01,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-23 23:33:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:01,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:33:01,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:33:04,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:33:04,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:04,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682750456] [2024-11-23 23:33:04,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682750456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:04,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:04,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:33:04,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885534247] [2024-11-23 23:33:04,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:04,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:33:04,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:04,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:33:04,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:33:04,201 INFO L87 Difference]: Start difference. First operand 766 states and 965 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:33:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:11,422 INFO L93 Difference]: Finished difference Result 1807 states and 2284 transitions. [2024-11-23 23:33:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:33:11,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-23 23:33:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:11,436 INFO L225 Difference]: With dead ends: 1807 [2024-11-23 23:33:11,437 INFO L226 Difference]: Without dead ends: 1409 [2024-11-23 23:33:11,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:33:11,438 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 196 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:11,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 911 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-23 23:33:11,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2024-11-23 23:33:11,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 736. [2024-11-23 23:33:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 664 states have (on average 1.233433734939759) internal successors, (819), 666 states have internal predecessors, (819), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 923 transitions. [2024-11-23 23:33:11,639 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 923 transitions. Word has length 121 [2024-11-23 23:33:11,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:11,640 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 923 transitions. [2024-11-23 23:33:11,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:33:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 923 transitions. [2024-11-23 23:33:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:33:11,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:11,641 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:11,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-23 23:33:11,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:11,842 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:11,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:11,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1584209455, now seen corresponding path program 1 times [2024-11-23 23:33:11,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:11,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195044148] [2024-11-23 23:33:11,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:11,843 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:11,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:11,845 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:11,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-23 23:33:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:12,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:33:12,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:13,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:33:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 204 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-23 23:33:13,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:33:14,684 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-23 23:33:14,684 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 22 treesize of output 21 [2024-11-23 23:33:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 23:33:15,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:15,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195044148] [2024-11-23 23:33:15,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195044148] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:33:15,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:33:15,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-23 23:33:15,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571115886] [2024-11-23 23:33:15,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:33:15,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:33:15,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:15,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:33:15,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:33:15,050 INFO L87 Difference]: Start difference. First operand 736 states and 923 transitions. Second operand has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-23 23:33:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:17,584 INFO L93 Difference]: Finished difference Result 1300 states and 1633 transitions. [2024-11-23 23:33:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:33:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 122 [2024-11-23 23:33:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:17,589 INFO L225 Difference]: With dead ends: 1300 [2024-11-23 23:33:17,590 INFO L226 Difference]: Without dead ends: 856 [2024-11-23 23:33:17,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:33:17,591 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 271 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:17,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 557 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-23 23:33:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-23 23:33:17,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 736. [2024-11-23 23:33:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 664 states have (on average 1.2289156626506024) internal successors, (816), 666 states have internal predecessors, (816), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 920 transitions. [2024-11-23 23:33:17,705 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 920 transitions. Word has length 122 [2024-11-23 23:33:17,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:17,705 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 920 transitions. [2024-11-23 23:33:17,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-23 23:33:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 920 transitions. [2024-11-23 23:33:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:33:17,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:17,707 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:17,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-23 23:33:17,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:17,908 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:17,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:17,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1365354737, now seen corresponding path program 1 times [2024-11-23 23:33:17,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:17,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53025250] [2024-11-23 23:33:17,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:17,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:17,913 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:17,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-23 23:33:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:18,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 23:33:18,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 138 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-23 23:33:24,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:33:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:33:35,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:35,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53025250] [2024-11-23 23:33:35,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53025250] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:33:35,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:33:35,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-23 23:33:35,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102327695] [2024-11-23 23:33:35,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:35,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:33:35,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:35,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:33:35,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:33:35,954 INFO L87 Difference]: Start difference. First operand 736 states and 920 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:33:46,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:46,078 INFO L93 Difference]: Finished difference Result 1398 states and 1759 transitions. [2024-11-23 23:33:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:33:46,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2024-11-23 23:33:46,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:46,087 INFO L225 Difference]: With dead ends: 1398 [2024-11-23 23:33:46,088 INFO L226 Difference]: Without dead ends: 1024 [2024-11-23 23:33:46,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:33:46,089 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 161 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:46,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 897 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2024-11-23 23:33:46,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-23 23:33:46,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 722. [2024-11-23 23:33:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 650 states have (on average 1.2246153846153847) internal successors, (796), 652 states have internal predecessors, (796), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 900 transitions. [2024-11-23 23:33:46,198 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 900 transitions. Word has length 122 [2024-11-23 23:33:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:46,198 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 900 transitions. [2024-11-23 23:33:46,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:33:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 900 transitions. [2024-11-23 23:33:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:33:46,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:46,200 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:46,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-23 23:33:46,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:46,401 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:46,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:46,402 INFO L85 PathProgramCache]: Analyzing trace with hash 323589005, now seen corresponding path program 1 times [2024-11-23 23:33:46,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:46,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940362899] [2024-11-23 23:33:46,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:46,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:46,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:46,404 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:46,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-23 23:33:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:46,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:33:46,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:49,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:33:49,180 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 58 treesize of output 42 [2024-11-23 23:33:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-23 23:33:51,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:33:51,153 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:51,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940362899] [2024-11-23 23:33:51,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940362899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:51,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:51,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:33:51,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490694659] [2024-11-23 23:33:51,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:51,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:33:51,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:51,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:33:51,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:33:51,154 INFO L87 Difference]: Start difference. First operand 722 states and 900 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:34:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:02,321 INFO L93 Difference]: Finished difference Result 1387 states and 1754 transitions. [2024-11-23 23:34:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:34:02,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2024-11-23 23:34:02,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:02,341 INFO L225 Difference]: With dead ends: 1387 [2024-11-23 23:34:02,341 INFO L226 Difference]: Without dead ends: 1020 [2024-11-23 23:34:02,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:34:02,346 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 80 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:34:02,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 922 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2024-11-23 23:34:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-23 23:34:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 758. [2024-11-23 23:34:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 686 states have (on average 1.2332361516034986) internal successors, (846), 688 states have internal predecessors, (846), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:34:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 950 transitions. [2024-11-23 23:34:02,539 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 950 transitions. Word has length 122 [2024-11-23 23:34:02,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:02,539 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 950 transitions. [2024-11-23 23:34:02,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-23 23:34:02,540 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 950 transitions. [2024-11-23 23:34:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:34:02,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:02,541 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:34:02,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-23 23:34:02,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:34:02,742 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:02,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:02,742 INFO L85 PathProgramCache]: Analyzing trace with hash -872687768, now seen corresponding path program 1 times [2024-11-23 23:34:02,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:34:02,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536354154] [2024-11-23 23:34:02,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:02,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:34:02,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:34:02,745 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:34:02,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-23 23:34:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:03,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 23:34:03,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:34:03,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 23:34:09,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:34:11,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:34:11,219 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 50 treesize of output 42 [2024-11-23 23:34:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:34:12,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:34:16,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:34:16,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536354154] [2024-11-23 23:34:16,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536354154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:34:16,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1933266365] [2024-11-23 23:34:16,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:16,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:34:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:34:16,399 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:34:16,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-23 23:34:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:17,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-23 23:34:17,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:34:25,349 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 [2024-11-23 23:34:29,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2024-11-23 23:34:33,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-23 23:34:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 143 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:34:42,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:07,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1933266365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:07,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:35:07,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 33 [2024-11-23 23:35:07,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134882826] [2024-11-23 23:35:07,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:07,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-23 23:35:07,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:35:07,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-23 23:35:07,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1848, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 23:35:07,541 INFO L87 Difference]: Start difference. First operand 758 states and 950 transitions. Second operand has 34 states, 30 states have (on average 3.533333333333333) internal successors, (106), 27 states have internal predecessors, (106), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-23 23:35:23,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:36:04,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:04,113 INFO L93 Difference]: Finished difference Result 2030 states and 2517 transitions. [2024-11-23 23:36:04,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-23 23:36:04,118 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 3.533333333333333) internal successors, (106), 27 states have internal predecessors, (106), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) Word has length 122 [2024-11-23 23:36:04,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:04,122 INFO L225 Difference]: With dead ends: 2030 [2024-11-23 23:36:04,122 INFO L226 Difference]: Without dead ends: 1373 [2024-11-23 23:36:04,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 72.0s TimeCoverageRelationStatistics Valid=753, Invalid=4077, Unknown=0, NotChecked=0, Total=4830 [2024-11-23 23:36:04,124 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 991 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:04,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1545 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 27.0s Time] [2024-11-23 23:36:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-11-23 23:36:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 768. [2024-11-23 23:36:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 696 states have (on average 1.2313218390804597) internal successors, (857), 698 states have internal predecessors, (857), 52 states have call successors, (52), 19 states have call predecessors, (52), 19 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:36:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 961 transitions. [2024-11-23 23:36:04,251 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 961 transitions. Word has length 122 [2024-11-23 23:36:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:04,251 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 961 transitions. [2024-11-23 23:36:04,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 3.533333333333333) internal successors, (106), 27 states have internal predecessors, (106), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-23 23:36:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 961 transitions. [2024-11-23 23:36:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:36:04,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:04,252 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:36:04,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-23 23:36:04,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-23 23:36:04,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:36:04,653 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:04,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:04,653 INFO L85 PathProgramCache]: Analyzing trace with hash 674585128, now seen corresponding path program 1 times [2024-11-23 23:36:04,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:36:04,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933352484] [2024-11-23 23:36:04,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:04,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:36:04,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:36:04,656 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:36:04,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b977a3-e17e-449c-9f80-83e8fc9e0eb4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-23 23:36:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:05,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-23 23:36:05,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:36:06,257 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 21 treesize of output 9 [2024-11-23 23:36:19,059 INFO L349 Elim1Store]: treesize reduction 23, result has 39.5 percent of original size [2024-11-23 23:36:19,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49