./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.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_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/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_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/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_221e10e6-884b-4322-b0d4-cc35b322260e/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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:35:48,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:35:48,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:35:48,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:35:48,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:35:48,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:35:48,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:35:48,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:35:48,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:35:48,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:35:48,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:35:48,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:35:48,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:35:48,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:35:48,489 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:35:48,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:35:48,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:35:48,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:35:48,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:35:48,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:35:48,491 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:35:48,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:35:48,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:35:48,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:35:48,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:35:48,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:35:48,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:35:48,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:35:48,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:35:48,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:35:48,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:35:48,493 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_221e10e6-884b-4322-b0d4-cc35b322260e/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 -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2024-11-23 18:35:48,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:35:48,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:35:48,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:35:48,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:35:48,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:35:48,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-11-23 18:35:51,832 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/6cb279496/44cbfd306fe8459088b7eee8aae9371c/FLAG68b828a62 [2024-11-23 18:35:52,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:35:52,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-11-23 18:35:52,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/6cb279496/44cbfd306fe8459088b7eee8aae9371c/FLAG68b828a62 [2024-11-23 18:35:52,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/6cb279496/44cbfd306fe8459088b7eee8aae9371c [2024-11-23 18:35:52,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:35:52,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:35:52,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:35:52,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:35:52,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:35:52,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420a85fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52, skipping insertion in model container [2024-11-23 18:35:52,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:35:52,438 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_221e10e6-884b-4322-b0d4-cc35b322260e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-11-23 18:35:52,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:35:52,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:35:52,605 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_221e10e6-884b-4322-b0d4-cc35b322260e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-11-23 18:35:52,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:35:52,675 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:35:52,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52 WrapperNode [2024-11-23 18:35:52,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:35:52,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:35:52,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:35:52,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:35:52,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,783 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-11-23 18:35:52,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:35:52,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:35:52,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:35:52,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:35:52,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,837 INFO L175 MemorySlicer]: Split 133 memory accesses to 5 slices as follows [2, 10, 6, 41, 74]. 56 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 2, 3, 8]. The 17 writes are split as follows [0, 1, 2, 3, 11]. [2024-11-23 18:35:52,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:35:52,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:35:52,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:35:52,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:35:52,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (1/1) ... [2024-11-23 18:35:52,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:35:52,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:52,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:35:52,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:35:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:35:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 18:35:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:35:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:35:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 18:35:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 18:35:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 18:35:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 18:35:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 18:35:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:35:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:35:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:35:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:35:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:35:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 18:35:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 18:35:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 18:35:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 18:35:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 18:35:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:35:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:35:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:35:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:35:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:35:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:35:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:35:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:35:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:35:53,174 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:35:53,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:35:53,878 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-23 18:35:53,878 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:35:53,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:35:53,897 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:35:53,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:53 BoogieIcfgContainer [2024-11-23 18:35:53,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:35:53,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:35:53,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:35:53,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:35:53,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:35:52" (1/3) ... [2024-11-23 18:35:53,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d99f30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:35:53, skipping insertion in model container [2024-11-23 18:35:53,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:52" (2/3) ... [2024-11-23 18:35:53,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d99f30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:35:53, skipping insertion in model container [2024-11-23 18:35:53,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:53" (3/3) ... [2024-11-23 18:35:53,910 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2024-11-23 18:35:53,929 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:35:53,931 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-82.i that has 2 procedures, 115 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:35:54,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:35:54,021 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;@2ad974de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:35:54,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:35:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 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 18:35:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:35:54,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:54,044 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 18:35:54,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:54,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:54,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2092623542, now seen corresponding path program 1 times [2024-11-23 18:35:54,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:54,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205256524] [2024-11-23 18:35:54,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:54,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:54,440 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 18:35:54,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205256524] [2024-11-23 18:35:54,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205256524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:54,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715739818] [2024-11-23 18:35:54,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:54,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:54,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:54,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:54,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:35:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:54,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:35:54,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:54,860 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 18:35:54,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:54,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715739818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:54,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:54,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:35:54,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303231516] [2024-11-23 18:35:54,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:54,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:35:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:54,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:35:54,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:35:54,897 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 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 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 18:35:54,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:54,937 INFO L93 Difference]: Finished difference Result 223 states and 344 transitions. [2024-11-23 18:35:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:35:54,939 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 121 [2024-11-23 18:35:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:54,948 INFO L225 Difference]: With dead ends: 223 [2024-11-23 18:35:54,949 INFO L226 Difference]: Without dead ends: 111 [2024-11-23 18:35:54,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 18:35:54,959 INFO L435 NwaCegarLoop]: 157 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, 157 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 18:35:54,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-23 18:35:55,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-23 18:35:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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 18:35:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-11-23 18:35:55,029 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 121 [2024-11-23 18:35:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:55,030 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-11-23 18:35:55,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 18:35:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-11-23 18:35:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:35:55,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:55,033 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 18:35:55,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:35:55,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:55,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:55,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:55,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2143378276, now seen corresponding path program 1 times [2024-11-23 18:35:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:55,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821956437] [2024-11-23 18:35:55,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:55,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:55,767 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 18:35:55,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:55,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821956437] [2024-11-23 18:35:55,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821956437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:55,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:35:55,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:35:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385483967] [2024-11-23 18:35:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:55,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:55,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:55,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:55,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:35:55,770 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 18:35:55,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:55,852 INFO L93 Difference]: Finished difference Result 221 states and 314 transitions. [2024-11-23 18:35:55,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:55,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 121 [2024-11-23 18:35:55,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:55,855 INFO L225 Difference]: With dead ends: 221 [2024-11-23 18:35:55,856 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 18:35:55,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:35:55,861 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:55,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 18:35:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-23 18:35:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 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 18:35:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2024-11-23 18:35:55,886 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 121 [2024-11-23 18:35:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:55,888 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2024-11-23 18:35:55,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 18:35:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2024-11-23 18:35:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:35:55,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:55,890 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 18:35:55,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:35:55,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:55,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:55,892 INFO L85 PathProgramCache]: Analyzing trace with hash 762295006, now seen corresponding path program 1 times [2024-11-23 18:35:55,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:55,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896935676] [2024-11-23 18:35:55,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:55,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:35:56,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896935676] [2024-11-23 18:35:56,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896935676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211400461] [2024-11-23 18:35:56,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:56,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:56,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:56,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:35:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:56,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:35:56,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:56,687 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 18:35:56,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:56,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211400461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:56,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:56,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-23 18:35:56,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372664494] [2024-11-23 18:35:56,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:56,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:56,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:56,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:35:56,693 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:56,743 INFO L93 Difference]: Finished difference Result 226 states and 319 transitions. [2024-11-23 18:35:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:56,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:56,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:56,745 INFO L225 Difference]: With dead ends: 226 [2024-11-23 18:35:56,745 INFO L226 Difference]: Without dead ends: 116 [2024-11-23 18:35:56,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:35:56,747 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:56,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 451 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:56,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-23 18:35:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-23 18:35:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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 18:35:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-11-23 18:35:56,758 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 121 [2024-11-23 18:35:56,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:56,759 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-11-23 18:35:56,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-11-23 18:35:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:35:56,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:56,761 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 18:35:56,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:35:56,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:56,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:56,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:56,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1442353376, now seen corresponding path program 1 times [2024-11-23 18:35:56,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:56,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52171427] [2024-11-23 18:35:56,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:56,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:35:57,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:57,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52171427] [2024-11-23 18:35:57,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52171427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:57,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518776655] [2024-11-23 18:35:57,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:57,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:57,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:57,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:57,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:35:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:57,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:35:57,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:57,736 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 18:35:57,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518776655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:57,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:57,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-23 18:35:57,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306574073] [2024-11-23 18:35:57,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:57,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:57,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:57,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:57,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:35:57,738 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:57,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:57,781 INFO L93 Difference]: Finished difference Result 230 states and 323 transitions. [2024-11-23 18:35:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:57,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:57,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:57,785 INFO L225 Difference]: With dead ends: 230 [2024-11-23 18:35:57,785 INFO L226 Difference]: Without dead ends: 118 [2024-11-23 18:35:57,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:35:57,787 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:57,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 452 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:57,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-23 18:35:57,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-23 18:35:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 101 states have internal predecessors, (135), 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 18:35:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2024-11-23 18:35:57,796 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 121 [2024-11-23 18:35:57,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:57,797 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2024-11-23 18:35:57,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2024-11-23 18:35:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:35:57,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:57,799 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 18:35:57,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 18:35:58,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:58,000 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:58,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1077606558, now seen corresponding path program 1 times [2024-11-23 18:35:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:58,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927814224] [2024-11-23 18:35:58,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:35:58,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927814224] [2024-11-23 18:35:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927814224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293781583] [2024-11-23 18:35:58,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:58,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:58,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:58,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:58,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:35:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:58,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:35:58,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:58,583 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 18:35:58,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:58,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293781583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:58,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:58,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-23 18:35:58,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072513980] [2024-11-23 18:35:58,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:58,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:58,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:58,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:58,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:35:58,587 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:58,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:58,620 INFO L93 Difference]: Finished difference Result 234 states and 327 transitions. [2024-11-23 18:35:58,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:58,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:58,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:58,624 INFO L225 Difference]: With dead ends: 234 [2024-11-23 18:35:58,624 INFO L226 Difference]: Without dead ends: 120 [2024-11-23 18:35:58,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:35:58,628 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:58,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:58,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-23 18:35:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-23 18:35:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3300970873786409) internal successors, (137), 103 states have internal predecessors, (137), 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 18:35:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2024-11-23 18:35:58,644 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 121 [2024-11-23 18:35:58,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:58,645 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2024-11-23 18:35:58,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2024-11-23 18:35:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:35:58,648 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:58,649 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 18:35:58,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 18:35:58,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:58,850 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:58,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1075759516, now seen corresponding path program 1 times [2024-11-23 18:35:58,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:58,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608255703] [2024-11-23 18:35:58,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:35:59,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:35:59,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608255703] [2024-11-23 18:35:59,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608255703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:59,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677473590] [2024-11-23 18:35:59,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:59,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:59,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:59,123 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:35:59,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 18:35:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:59,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:35:59,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:59,433 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 18:35:59,434 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:35:59,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677473590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:35:59,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:59,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-23 18:35:59,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747269899] [2024-11-23 18:35:59,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:59,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:35:59,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:35:59,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:35:59,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:35:59,437 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:59,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:59,475 INFO L93 Difference]: Finished difference Result 237 states and 330 transitions. [2024-11-23 18:35:59,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:35:59,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:59,477 INFO L225 Difference]: With dead ends: 237 [2024-11-23 18:35:59,478 INFO L226 Difference]: Without dead ends: 121 [2024-11-23 18:35:59,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:35:59,479 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:59,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:35:59,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-23 18:35:59,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-23 18:35:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 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 18:35:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2024-11-23 18:35:59,496 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 121 [2024-11-23 18:35:59,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:59,500 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2024-11-23 18:35:59,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 18:35:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2024-11-23 18:35:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 18:35:59,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:59,502 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, 1] [2024-11-23 18:35:59,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 18:35:59,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:35:59,702 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:59,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:59,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1733729878, now seen corresponding path program 1 times [2024-11-23 18:35:59,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:35:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359569310] [2024-11-23 18:35:59,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:35:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:36:00,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:00,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359569310] [2024-11-23 18:36:00,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359569310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:00,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311298632] [2024-11-23 18:36:00,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:00,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:00,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:00,019 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:36:00,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 18:36:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:00,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:00,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:00,319 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 18:36:00,319 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:00,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311298632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:00,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:36:00,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-23 18:36:00,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642291550] [2024-11-23 18:36:00,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:00,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:00,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:00,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:00,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:36:00,321 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 18:36:00,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:00,366 INFO L93 Difference]: Finished difference Result 242 states and 335 transitions. [2024-11-23 18:36:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:00,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 123 [2024-11-23 18:36:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:00,367 INFO L225 Difference]: With dead ends: 242 [2024-11-23 18:36:00,368 INFO L226 Difference]: Without dead ends: 124 [2024-11-23 18:36:00,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:36:00,369 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:00,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 601 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:00,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-23 18:36:00,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-11-23 18:36:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 106 states have (on average 1.320754716981132) internal successors, (140), 106 states have internal predecessors, (140), 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 18:36:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2024-11-23 18:36:00,380 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 123 [2024-11-23 18:36:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:00,381 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2024-11-23 18:36:00,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 18:36:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2024-11-23 18:36:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:36:00,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:00,382 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, 1, 1, 1] [2024-11-23 18:36:00,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 18:36:00,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:00,583 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:00,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash -535031045, now seen corresponding path program 1 times [2024-11-23 18:36:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:00,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753270969] [2024-11-23 18:36:00,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:00,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:01,400 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 18:36:01,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:01,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753270969] [2024-11-23 18:36:01,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753270969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:01,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:01,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:36:01,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696326509] [2024-11-23 18:36:01,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:01,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:36:01,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:01,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:36:01,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:01,404 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (14), 1 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 18:36:01,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:01,528 INFO L93 Difference]: Finished difference Result 294 states and 404 transitions. [2024-11-23 18:36:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:36:01,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (14), 1 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 125 [2024-11-23 18:36:01,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:01,530 INFO L225 Difference]: With dead ends: 294 [2024-11-23 18:36:01,530 INFO L226 Difference]: Without dead ends: 175 [2024-11-23 18:36:01,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:01,531 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 63 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:01,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 725 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-23 18:36:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 132. [2024-11-23 18:36:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.3362068965517242) internal successors, (155), 116 states have internal predecessors, (155), 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 18:36:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 183 transitions. [2024-11-23 18:36:01,539 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 183 transitions. Word has length 125 [2024-11-23 18:36:01,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:01,540 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 183 transitions. [2024-11-23 18:36:01,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (14), 1 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 18:36:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 183 transitions. [2024-11-23 18:36:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 18:36:01,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:01,541 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, 1, 1, 1, 1] [2024-11-23 18:36:01,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:36:01,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:01,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:01,542 INFO L85 PathProgramCache]: Analyzing trace with hash 495890986, now seen corresponding path program 1 times [2024-11-23 18:36:01,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:01,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87513928] [2024-11-23 18:36:01,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:03,809 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 18:36:03,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:03,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87513928] [2024-11-23 18:36:03,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87513928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:03,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:03,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 18:36:03,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555434696] [2024-11-23 18:36:03,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:03,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:36:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:03,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:36:03,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:36:03,813 INFO L87 Difference]: Start difference. First operand 132 states and 183 transitions. Second operand has 12 states, 10 states have (on average 5.9) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 18:36:04,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:04,552 INFO L93 Difference]: Finished difference Result 367 states and 510 transitions. [2024-11-23 18:36:04,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:36:04,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2024-11-23 18:36:04,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:04,555 INFO L225 Difference]: With dead ends: 367 [2024-11-23 18:36:04,555 INFO L226 Difference]: Without dead ends: 238 [2024-11-23 18:36:04,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:36:04,556 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 109 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:04,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1605 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:36:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-23 18:36:04,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2024-11-23 18:36:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 212 states have (on average 1.3537735849056605) internal successors, (287), 213 states have internal predecessors, (287), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 327 transitions. [2024-11-23 18:36:04,571 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 327 transitions. Word has length 126 [2024-11-23 18:36:04,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:04,572 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 327 transitions. [2024-11-23 18:36:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 18:36:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 327 transitions. [2024-11-23 18:36:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 18:36:04,574 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:04,574 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, 1, 1, 1, 1] [2024-11-23 18:36:04,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:36:04,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:04,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:04,575 INFO L85 PathProgramCache]: Analyzing trace with hash 367727219, now seen corresponding path program 1 times [2024-11-23 18:36:04,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:04,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727413797] [2024-11-23 18:36:04,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:04,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:04,789 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 18:36:04,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:04,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727413797] [2024-11-23 18:36:04,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727413797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:04,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:04,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:36:04,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843310985] [2024-11-23 18:36:04,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:04,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:36:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:04,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:36:04,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:04,791 INFO L87 Difference]: Start difference. First operand 235 states and 327 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 18:36:04,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:04,935 INFO L93 Difference]: Finished difference Result 617 states and 862 transitions. [2024-11-23 18:36:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:36:04,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 126 [2024-11-23 18:36:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:04,940 INFO L225 Difference]: With dead ends: 617 [2024-11-23 18:36:04,940 INFO L226 Difference]: Without dead ends: 385 [2024-11-23 18:36:04,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:04,941 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 75 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:04,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 714 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:04,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-23 18:36:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 317. [2024-11-23 18:36:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 294 states have (on average 1.3911564625850341) internal successors, (409), 295 states have internal predecessors, (409), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 449 transitions. [2024-11-23 18:36:04,965 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 449 transitions. Word has length 126 [2024-11-23 18:36:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:04,966 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 449 transitions. [2024-11-23 18:36:04,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 18:36:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 449 transitions. [2024-11-23 18:36:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 18:36:04,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:04,969 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, 1, 1, 1, 1] [2024-11-23 18:36:04,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:36:04,969 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:04,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:04,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1211449236, now seen corresponding path program 1 times [2024-11-23 18:36:04,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:04,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079861759] [2024-11-23 18:36:04,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:05,506 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 18:36:05,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079861759] [2024-11-23 18:36:05,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079861759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:05,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:05,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:36:05,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773775037] [2024-11-23 18:36:05,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:05,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:36:05,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:05,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:36:05,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:05,508 INFO L87 Difference]: Start difference. First operand 317 states and 449 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (14), 1 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 18:36:05,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:05,619 INFO L93 Difference]: Finished difference Result 708 states and 993 transitions. [2024-11-23 18:36:05,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:36:05,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (14), 1 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 126 [2024-11-23 18:36:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:05,623 INFO L225 Difference]: With dead ends: 708 [2024-11-23 18:36:05,623 INFO L226 Difference]: Without dead ends: 394 [2024-11-23 18:36:05,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:05,625 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 67 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:05,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 873 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-23 18:36:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 297. [2024-11-23 18:36:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 274 states have (on average 1.3759124087591241) internal successors, (377), 275 states have internal predecessors, (377), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 417 transitions. [2024-11-23 18:36:05,648 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 417 transitions. Word has length 126 [2024-11-23 18:36:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:05,649 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 417 transitions. [2024-11-23 18:36:05,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (14), 1 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 18:36:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 417 transitions. [2024-11-23 18:36:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 18:36:05,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:05,654 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, 1, 1, 1, 1] [2024-11-23 18:36:05,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:36:05,655 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:05,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1850217229, now seen corresponding path program 1 times [2024-11-23 18:36:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:05,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913423038] [2024-11-23 18:36:05,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:05,875 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 18:36:05,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:05,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913423038] [2024-11-23 18:36:05,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913423038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:05,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:05,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:36:05,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937471804] [2024-11-23 18:36:05,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:05,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:36:05,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:05,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:36:05,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:05,878 INFO L87 Difference]: Start difference. First operand 297 states and 417 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 18:36:06,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:06,020 INFO L93 Difference]: Finished difference Result 595 states and 835 transitions. [2024-11-23 18:36:06,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:36:06,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 126 [2024-11-23 18:36:06,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:06,027 INFO L225 Difference]: With dead ends: 595 [2024-11-23 18:36:06,027 INFO L226 Difference]: Without dead ends: 300 [2024-11-23 18:36:06,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:06,028 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 64 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:06,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 890 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-23 18:36:06,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 297. [2024-11-23 18:36:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 274 states have (on average 1.364963503649635) internal successors, (374), 275 states have internal predecessors, (374), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 414 transitions. [2024-11-23 18:36:06,056 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 414 transitions. Word has length 126 [2024-11-23 18:36:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:06,056 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 414 transitions. [2024-11-23 18:36:06,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 18:36:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 414 transitions. [2024-11-23 18:36:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 18:36:06,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:06,059 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, 1, 1, 1, 1] [2024-11-23 18:36:06,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:36:06,060 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:06,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:06,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1978380996, now seen corresponding path program 1 times [2024-11-23 18:36:06,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:06,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117448304] [2024-11-23 18:36:06,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:06,334 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 18:36:06,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:06,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117448304] [2024-11-23 18:36:06,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117448304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:06,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:06,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:36:06,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038474794] [2024-11-23 18:36:06,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:06,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:36:06,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:06,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:36:06,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:06,336 INFO L87 Difference]: Start difference. First operand 297 states and 414 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 18:36:06,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:06,736 INFO L93 Difference]: Finished difference Result 784 states and 1087 transitions. [2024-11-23 18:36:06,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:36:06,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 126 [2024-11-23 18:36:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:06,740 INFO L225 Difference]: With dead ends: 784 [2024-11-23 18:36:06,740 INFO L226 Difference]: Without dead ends: 490 [2024-11-23 18:36:06,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:36:06,742 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 190 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:06,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 641 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:36:06,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-23 18:36:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 452. [2024-11-23 18:36:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 407 states have (on average 1.3415233415233416) internal successors, (546), 409 states have internal predecessors, (546), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-23 18:36:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 626 transitions. [2024-11-23 18:36:06,783 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 626 transitions. Word has length 126 [2024-11-23 18:36:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:06,784 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 626 transitions. [2024-11-23 18:36:06,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 18:36:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 626 transitions. [2024-11-23 18:36:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-23 18:36:06,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:06,786 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, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:06,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:36:06,786 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:06,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:06,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1838398529, now seen corresponding path program 1 times [2024-11-23 18:36:06,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:06,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329539063] [2024-11-23 18:36:06,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:06,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:06,955 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:07,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:36:07,156 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:36:07,157 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:36:07,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:36:07,164 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:07,298 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:36:07,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:36:07 BoogieIcfgContainer [2024-11-23 18:36:07,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:36:07,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:36:07,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:36:07,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:36:07,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:53" (3/4) ... [2024-11-23 18:36:07,307 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:36:07,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:36:07,309 INFO L158 Benchmark]: Toolchain (without parser) took 15091.44ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 93.5MB in the beginning and 331.7MB in the end (delta: -238.2MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-23 18:36:07,309 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:07,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.43ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 76.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:36:07,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.50ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 72.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:07,311 INFO L158 Benchmark]: Boogie Preprocessor took 101.01ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 66.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:36:07,311 INFO L158 Benchmark]: RCFGBuilder took 1008.37ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 83.0MB in the end (delta: -16.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-23 18:36:07,312 INFO L158 Benchmark]: TraceAbstraction took 13402.54ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 82.5MB in the beginning and 331.8MB in the end (delta: -249.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-23 18:36:07,312 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 427.8MB. Free memory was 331.8MB in the beginning and 331.7MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:07,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.43ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 76.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.50ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 72.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 101.01ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 66.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1008.37ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 83.0MB in the end (delta: -16.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13402.54ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 82.5MB in the beginning and 331.8MB in the end (delta: -249.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 427.8MB. Free memory was 331.8MB in the beginning and 331.7MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L34] unsigned char last_1_unsigned_char_Array_0_0__0__0_ = 2; [L35] unsigned char last_1_unsigned_char_Array_0_0__0__1_ = 0; [L36] unsigned char last_1_unsigned_char_Array_0_1__1__1_ = 32; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L92] EXPR unsigned_char_Array_0[0][0][0] [L92] last_1_unsigned_char_Array_0_0__0__0_ = unsigned_char_Array_0[0][0][0] [L93] EXPR unsigned_char_Array_0[0][0][1] [L93] last_1_unsigned_char_Array_0_0__0__1_ = unsigned_char_Array_0[0][0][1] [L94] EXPR unsigned_char_Array_0[1][1][1] [L94] last_1_unsigned_char_Array_0_1__1__1_ = unsigned_char_Array_0[1][1][1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L75] unsigned_char_Array_0[1][0][0] = __VERIFIER_nondet_uchar() [L76] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L78] unsigned_char_Array_0[0][1][0] = __VERIFIER_nondet_uchar() [L79] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L79] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L81] unsigned_char_Array_0[1][1][0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L82] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L84] unsigned_char_Array_0[1][0][1] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L87] unsigned_char_Array_0[0][1][1] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L88] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L105] RET updateVariables() [L106] CALL step() [L40] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L40] signed long int stepLocal_0 = last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_; [L41] COND FALSE !((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= stepLocal_0) [L44] EXPR unsigned_char_Array_0[0][1][0] [L44] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L44] EXPR unsigned_char_Array_0[1][1][0] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L44] unsigned_char_Array_0[1][1][1] = (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))) [L46] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L46] COND FALSE !(! BOOL_unsigned_char_Array_0[0]) [L51] EXPR float_Array_0[0] [L51] double_Array_0[0] = float_Array_0[0] [L52] EXPR unsigned_char_Array_0[1][0][0] [L52] unsigned_char_Array_0[0][0][1] = unsigned_char_Array_0[1][0][0] [L53] EXPR float_Array_0[1] [L53] double_Array_0[1] = float_Array_0[1] [L54] EXPR unsigned_char_Array_0[1][0][0] [L54] unsigned char stepLocal_1 = unsigned_char_Array_0[1][0][0]; [L55] EXPR unsigned_char_Array_0[1][1][1] [L55] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L55] COND FALSE !((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= stepLocal_1) [L64] EXPR unsigned_char_Array_0[1][0][0] [L64] unsigned_char_Array_0[0][0][0] = unsigned_char_Array_0[1][0][0] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[0][1][0] [L97] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR unsigned_char_Array_0[0][0][0] [L97] EXPR unsigned_char_Array_0[1][0][0] [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) [L97] EXPR double_Array_0[0] [L97] EXPR float_Array_0[0] [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR unsigned_char_Array_0[0][0][1] [L97] EXPR unsigned_char_Array_0[1][0][0] [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) [L97] EXPR double_Array_0[1] [L97] EXPR float_Array_0[1] [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97-L98] return ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 14, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 575 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 571 mSDsluCounter, 8471 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6357 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1136 IncrementalHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 2114 mSDtfsCounter, 1136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=13, InterpolantAutomatonStates: 69, 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, 13 MinimizatonAttempts, 257 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2460 NumberOfCodeBlocks, 2460 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2313 ConstructedInterpolants, 0 QuantifiedInterpolants, 3275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2549 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 6695/6916 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 18:36:07,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/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_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/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_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/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_221e10e6-884b-4322-b0d4-cc35b322260e/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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:36:09,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:36:10,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:36:10,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:36:10,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:36:10,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:36:10,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:36:10,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:36:10,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:36:10,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:36:10,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:36:10,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:36:10,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:36:10,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:36:10,114 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:36:10,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:36:10,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:36:10,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:36:10,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:36:10,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:36:10,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:36:10,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:36:10,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:36:10,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:36:10,116 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:36:10,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:10,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:36:10,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:36:10,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:10,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:36:10,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:10,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:36:10,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:36:10,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:10,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:36:10,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:36:10,118 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:36:10,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:36:10,118 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:36:10,118 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:36:10,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:36:10,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:36:10,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:36:10,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:36:10,119 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_221e10e6-884b-4322-b0d4-cc35b322260e/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 -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2024-11-23 18:36:10,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:36:10,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:36:10,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:36:10,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:36:10,454 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:36:10,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-11-23 18:36:13,543 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/6dcd90bf5/fe9d046f108f49779a2d1c9d830dd2d5/FLAG33aaff952 [2024-11-23 18:36:13,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:36:13,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-11-23 18:36:13,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/6dcd90bf5/fe9d046f108f49779a2d1c9d830dd2d5/FLAG33aaff952 [2024-11-23 18:36:13,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/data/6dcd90bf5/fe9d046f108f49779a2d1c9d830dd2d5 [2024-11-23 18:36:13,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:36:13,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:36:13,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:13,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:36:13,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:36:13,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:13" (1/1) ... [2024-11-23 18:36:13,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db09046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:13, skipping insertion in model container [2024-11-23 18:36:13,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:13" (1/1) ... [2024-11-23 18:36:13,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:36:14,100 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_221e10e6-884b-4322-b0d4-cc35b322260e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-11-23 18:36:14,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:14,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:36:14,240 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_221e10e6-884b-4322-b0d4-cc35b322260e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-11-23 18:36:14,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:14,380 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:36:14,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14 WrapperNode [2024-11-23 18:36:14,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:14,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:14,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:36:14,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:36:14,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,440 INFO L138 Inliner]: procedures = 33, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 496 [2024-11-23 18:36:14,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:14,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:36:14,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:36:14,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:36:14,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,479 INFO L175 MemorySlicer]: Split 133 memory accesses to 5 slices as follows [2, 10, 6, 41, 74]. 56 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 2, 3, 8]. The 17 writes are split as follows [0, 1, 2, 3, 11]. [2024-11-23 18:36:14,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,510 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:36:14,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:36:14,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:36:14,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:36:14,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (1/1) ... [2024-11-23 18:36:14,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:14,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:36:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:36:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 18:36:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 18:36:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 18:36:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 18:36:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 18:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 18:36:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:36:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:36:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:36:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:36:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 18:36:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 18:36:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 18:36:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 18:36:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 18:36:14,848 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:36:14,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:36:17,323 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-23 18:36:17,323 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:36:17,335 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:36:17,335 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:36:17,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:17 BoogieIcfgContainer [2024-11-23 18:36:17,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:36:17,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:36:17,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:36:17,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:36:17,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:36:13" (1/3) ... [2024-11-23 18:36:17,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62da1c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:17, skipping insertion in model container [2024-11-23 18:36:17,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:14" (2/3) ... [2024-11-23 18:36:17,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62da1c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:17, skipping insertion in model container [2024-11-23 18:36:17,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:17" (3/3) ... [2024-11-23 18:36:17,346 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2024-11-23 18:36:17,364 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:36:17,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-82.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:36:17,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:36:17,442 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;@18120071, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:36:17,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:36:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 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 18:36:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 18:36:17,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:17,456 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] [2024-11-23 18:36:17,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:17,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:17,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1212278794, now seen corresponding path program 1 times [2024-11-23 18:36:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:17,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458919635] [2024-11-23 18:36:17,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:17,473 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 18:36:17,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:17,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:17,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:17,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:36:17,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-23 18:36:17,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:17,937 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:17,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458919635] [2024-11-23 18:36:17,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458919635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:17,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:17,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:36:17,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010069332] [2024-11-23 18:36:17,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:17,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:36:17,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:17,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:36:17,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:36:17,967 INFO L87 Difference]: Start difference. First operand has 108 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 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 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 18:36:17,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:17,997 INFO L93 Difference]: Finished difference Result 209 states and 322 transitions. [2024-11-23 18:36:17,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:36:18,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 119 [2024-11-23 18:36:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:18,013 INFO L225 Difference]: With dead ends: 209 [2024-11-23 18:36:18,013 INFO L226 Difference]: Without dead ends: 104 [2024-11-23 18:36:18,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 18:36:18,022 INFO L435 NwaCegarLoop]: 146 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, 146 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 18:36:18,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:18,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-23 18:36:18,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-23 18:36:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 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 18:36:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions. [2024-11-23 18:36:18,068 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 119 [2024-11-23 18:36:18,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:18,068 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions. [2024-11-23 18:36:18,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 18:36:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2024-11-23 18:36:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 18:36:18,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:18,074 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] [2024-11-23 18:36:18,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:18,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:18,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:18,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash 579592156, now seen corresponding path program 1 times [2024-11-23 18:36:18,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:18,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373903280] [2024-11-23 18:36:18,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:18,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:18,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:18,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:18,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-23 18:36:18,709 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:18,709 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:18,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373903280] [2024-11-23 18:36:18,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373903280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:18,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:18,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:36:18,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820215550] [2024-11-23 18:36:18,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:18,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:36:18,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:18,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:36:18,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:18,715 INFO L87 Difference]: Start difference. First operand 104 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (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 18:36:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:18,804 INFO L93 Difference]: Finished difference Result 207 states and 292 transitions. [2024-11-23 18:36:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:36:18,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (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 119 [2024-11-23 18:36:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:18,807 INFO L225 Difference]: With dead ends: 207 [2024-11-23 18:36:18,807 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 18:36:18,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:18,809 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:18,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:18,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 18:36:18,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-23 18:36:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 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 18:36:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2024-11-23 18:36:18,850 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 119 [2024-11-23 18:36:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:18,851 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2024-11-23 18:36:18,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (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 18:36:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2024-11-23 18:36:18,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 18:36:18,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:18,857 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] [2024-11-23 18:36:18,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:19,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:19,057 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:19,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:19,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1848666466, now seen corresponding path program 1 times [2024-11-23 18:36:19,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:19,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87498955] [2024-11-23 18:36:19,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:19,059 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 18:36:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:19,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:19,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 18:36:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:19,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:19,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:19,495 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 18:36:20,099 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 18:36:20,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:20,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:20,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87498955] [2024-11-23 18:36:20,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87498955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:20,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:20,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:36:20,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734022146] [2024-11-23 18:36:20,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:20,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:20,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:20,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:20,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:36:20,102 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:36:20,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:20,935 INFO L93 Difference]: Finished difference Result 309 states and 435 transitions. [2024-11-23 18:36:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:20,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 119 [2024-11-23 18:36:20,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:20,940 INFO L225 Difference]: With dead ends: 309 [2024-11-23 18:36:20,940 INFO L226 Difference]: Without dead ends: 206 [2024-11-23 18:36:20,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:20,945 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:20,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 471 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:36:20,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-23 18:36:20,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 178. [2024-11-23 18:36:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 147 states have internal predecessors, (195), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 251 transitions. [2024-11-23 18:36:20,969 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 251 transitions. Word has length 119 [2024-11-23 18:36:20,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:20,969 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 251 transitions. [2024-11-23 18:36:20,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:36:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 251 transitions. [2024-11-23 18:36:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 18:36:20,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:20,972 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] [2024-11-23 18:36:20,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 18:36:21,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:21,176 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:21,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:21,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1503800071, now seen corresponding path program 1 times [2024-11-23 18:36:21,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:21,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962442500] [2024-11-23 18:36:21,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:21,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:21,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:21,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:21,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:21,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:21,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:21,581 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 18:36:21,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:21,582 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:21,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962442500] [2024-11-23 18:36:21,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962442500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:21,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:21,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:36:21,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4476061] [2024-11-23 18:36:21,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:21,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:36:21,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:21,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:36:21,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:21,585 INFO L87 Difference]: Start difference. First operand 178 states and 251 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 18:36:21,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:21,648 INFO L93 Difference]: Finished difference Result 285 states and 402 transitions. [2024-11-23 18:36:21,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:36:21,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 119 [2024-11-23 18:36:21,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:21,652 INFO L225 Difference]: With dead ends: 285 [2024-11-23 18:36:21,652 INFO L226 Difference]: Without dead ends: 182 [2024-11-23 18:36:21,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:21,654 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:21,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:21,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-23 18:36:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-23 18:36:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 255 transitions. [2024-11-23 18:36:21,685 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 255 transitions. Word has length 119 [2024-11-23 18:36:21,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:21,686 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 255 transitions. [2024-11-23 18:36:21,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 18:36:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 255 transitions. [2024-11-23 18:36:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:36:21,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:21,691 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 18:36:21,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-23 18:36:21,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:21,894 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:21,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:21,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1962371047, now seen corresponding path program 1 times [2024-11-23 18:36:21,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:21,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615683288] [2024-11-23 18:36:21,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:21,896 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 18:36:21,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:21,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:21,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:22,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:36:22,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:22,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-23 18:36:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 18:36:23,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:23,432 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 18:36:23,432 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:23,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615683288] [2024-11-23 18:36:23,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615683288] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:23,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:36:23,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-23 18:36:23,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993573883] [2024-11-23 18:36:23,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:23,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:23,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:23,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:23,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:36:23,436 INFO L87 Difference]: Start difference. First operand 182 states and 255 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (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 18:36:23,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:23,602 INFO L93 Difference]: Finished difference Result 351 states and 491 transitions. [2024-11-23 18:36:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:23,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (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 18:36:23,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:23,607 INFO L225 Difference]: With dead ends: 351 [2024-11-23 18:36:23,610 INFO L226 Difference]: Without dead ends: 239 [2024-11-23 18:36:23,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:36:23,611 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 116 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:23,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 472 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:23,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-23 18:36:23,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 202. [2024-11-23 18:36:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 171 states have (on average 1.3391812865497077) internal successors, (229), 171 states have internal predecessors, (229), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 285 transitions. [2024-11-23 18:36:23,659 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 285 transitions. Word has length 121 [2024-11-23 18:36:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:23,663 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 285 transitions. [2024-11-23 18:36:23,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (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 18:36:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 285 transitions. [2024-11-23 18:36:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 18:36:23,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:23,665 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 18:36:23,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 18:36:23,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:23,866 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:23,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:23,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1259616475, now seen corresponding path program 1 times [2024-11-23 18:36:23,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:23,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275631094] [2024-11-23 18:36:23,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:23,868 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 18:36:23,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:23,869 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:23,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:24,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:24,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:24,262 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 18:36:24,262 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:24,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:24,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275631094] [2024-11-23 18:36:24,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275631094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:24,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:24,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:36:24,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335384031] [2024-11-23 18:36:24,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:24,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:24,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:24,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:24,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:36:24,264 INFO L87 Difference]: Start difference. First operand 202 states and 285 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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 18:36:24,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:24,358 INFO L93 Difference]: Finished difference Result 323 states and 455 transitions. [2024-11-23 18:36:24,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:24,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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 18:36:24,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:24,360 INFO L225 Difference]: With dead ends: 323 [2024-11-23 18:36:24,360 INFO L226 Difference]: Without dead ends: 208 [2024-11-23 18:36:24,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 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 18:36:24,362 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:24,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 557 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:24,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-23 18:36:24,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 204. [2024-11-23 18:36:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 173 states have (on average 1.3352601156069364) internal successors, (231), 173 states have internal predecessors, (231), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 287 transitions. [2024-11-23 18:36:24,388 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 287 transitions. Word has length 122 [2024-11-23 18:36:24,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:24,389 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 287 transitions. [2024-11-23 18:36:24,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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 18:36:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 287 transitions. [2024-11-23 18:36:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 18:36:24,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:24,393 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, 1] [2024-11-23 18:36:24,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:24,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:24,593 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:24,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:24,594 INFO L85 PathProgramCache]: Analyzing trace with hash 728683415, now seen corresponding path program 1 times [2024-11-23 18:36:24,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:24,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952278922] [2024-11-23 18:36:24,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:24,594 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 18:36:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:24,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:24,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:24,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:24,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:24,934 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 18:36:24,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:24,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952278922] [2024-11-23 18:36:24,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952278922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:24,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:24,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:36:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107963766] [2024-11-23 18:36:24,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:24,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:36:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:24,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:36:24,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:24,941 INFO L87 Difference]: Start difference. First operand 204 states and 287 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (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 18:36:25,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:25,104 INFO L93 Difference]: Finished difference Result 323 states and 454 transitions. [2024-11-23 18:36:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:36:25,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (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 123 [2024-11-23 18:36:25,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:25,107 INFO L225 Difference]: With dead ends: 323 [2024-11-23 18:36:25,107 INFO L226 Difference]: Without dead ends: 207 [2024-11-23 18:36:25,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:25,108 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:25,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 418 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:25,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-23 18:36:25,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 206. [2024-11-23 18:36:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 175 states have (on average 1.3314285714285714) internal successors, (233), 175 states have internal predecessors, (233), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 289 transitions. [2024-11-23 18:36:25,125 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 289 transitions. Word has length 123 [2024-11-23 18:36:25,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:25,125 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 289 transitions. [2024-11-23 18:36:25,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (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 18:36:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2024-11-23 18:36:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 18:36:25,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:25,127 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, 1] [2024-11-23 18:36:25,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:25,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:25,331 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:25,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:25,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1408741785, now seen corresponding path program 1 times [2024-11-23 18:36:25,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:25,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977286617] [2024-11-23 18:36:25,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:25,332 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 18:36:25,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:25,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:25,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:25,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:25,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:25,704 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 18:36:25,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:25,704 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:25,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977286617] [2024-11-23 18:36:25,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977286617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:25,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:25,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:36:25,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496531941] [2024-11-23 18:36:25,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:25,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:25,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:25,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:36:25,706 INFO L87 Difference]: Start difference. First operand 206 states and 289 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 18:36:25,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:25,865 INFO L93 Difference]: Finished difference Result 327 states and 458 transitions. [2024-11-23 18:36:25,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 123 [2024-11-23 18:36:25,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:25,868 INFO L225 Difference]: With dead ends: 327 [2024-11-23 18:36:25,869 INFO L226 Difference]: Without dead ends: 209 [2024-11-23 18:36:25,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 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 18:36:25,870 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:25,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 549 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-23 18:36:25,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2024-11-23 18:36:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 177 states have (on average 1.3276836158192091) internal successors, (235), 177 states have internal predecessors, (235), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2024-11-23 18:36:25,886 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 123 [2024-11-23 18:36:25,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:25,887 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2024-11-23 18:36:25,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 18:36:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2024-11-23 18:36:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 18:36:25,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:25,889 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, 1] [2024-11-23 18:36:25,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-23 18:36:26,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:26,090 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:26,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:26,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1111218149, now seen corresponding path program 1 times [2024-11-23 18:36:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:26,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372779667] [2024-11-23 18:36:26,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:26,091 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 18:36:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:26,092 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:26,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:26,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:36:26,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:26,494 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 18:36:26,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:26,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:26,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372779667] [2024-11-23 18:36:26,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372779667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:26,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:26,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:36:26,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371445055] [2024-11-23 18:36:26,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:26,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:36:26,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:26,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:36:26,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:26,497 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 18:36:26,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:26,737 INFO L93 Difference]: Finished difference Result 331 states and 462 transitions. [2024-11-23 18:36:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:36:26,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 123 [2024-11-23 18:36:26,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:26,739 INFO L225 Difference]: With dead ends: 331 [2024-11-23 18:36:26,739 INFO L226 Difference]: Without dead ends: 211 [2024-11-23 18:36:26,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:36:26,740 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 1 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:26,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 680 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:36:26,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-23 18:36:26,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 210. [2024-11-23 18:36:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 179 states have (on average 1.324022346368715) internal successors, (237), 179 states have internal predecessors, (237), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 18:36:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 293 transitions. [2024-11-23 18:36:26,756 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 293 transitions. Word has length 123 [2024-11-23 18:36:26,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:26,757 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 293 transitions. [2024-11-23 18:36:26,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 18:36:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 293 transitions. [2024-11-23 18:36:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 18:36:26,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:26,759 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, 1] [2024-11-23 18:36:26,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:26,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:26,963 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:26,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:26,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1109371107, now seen corresponding path program 1 times [2024-11-23 18:36:26,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:26,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572553579] [2024-11-23 18:36:26,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:26,964 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 18:36:26,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:26,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:26,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:27,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 18:36:27,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:27,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:36:27,444 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 18:36:27,456 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 18:36:27,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-23 18:36:28,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:36:28,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-11-23 18:36:28,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:36:28,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2024-11-23 18:36:28,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:36:28,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 66 [2024-11-23 18:36:28,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:36:28,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 34 [2024-11-23 18:36:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-23 18:36:28,832 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:28,832 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:28,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572553579] [2024-11-23 18:36:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572553579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:28,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 18:36:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135201601] [2024-11-23 18:36:28,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:28,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:36:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:28,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:36:28,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:36:28,834 INFO L87 Difference]: Start difference. First operand 210 states and 293 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 18:36:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:31,728 INFO L93 Difference]: Finished difference Result 435 states and 604 transitions. [2024-11-23 18:36:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:36:31,729 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-23 18:36:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:31,732 INFO L225 Difference]: With dead ends: 435 [2024-11-23 18:36:31,732 INFO L226 Difference]: Without dead ends: 313 [2024-11-23 18:36:31,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:36:31,734 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 322 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:31,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 955 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-23 18:36:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-23 18:36:31,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-11-23 18:36:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 272 states have (on average 1.338235294117647) internal successors, (364), 273 states have internal predecessors, (364), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 18:36:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 432 transitions. [2024-11-23 18:36:31,760 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 432 transitions. Word has length 123 [2024-11-23 18:36:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:31,761 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 432 transitions. [2024-11-23 18:36:31,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 18:36:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2024-11-23 18:36:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-23 18:36:31,763 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:31,763 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, 1, 1] [2024-11-23 18:36:31,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:31,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:31,964 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:31,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:31,964 INFO L85 PathProgramCache]: Analyzing trace with hash -184680024, now seen corresponding path program 1 times [2024-11-23 18:36:31,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:31,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264299400] [2024-11-23 18:36:31,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:31,965 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 18:36:31,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:31,967 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:31,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:32,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:36:32,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 18:36:32,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:33,110 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 18:36:33,110 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:33,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264299400] [2024-11-23 18:36:33,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [264299400] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:33,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:36:33,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-23 18:36:33,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527248124] [2024-11-23 18:36:33,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:33,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:33,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:33,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:33,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:36:33,112 INFO L87 Difference]: Start difference. First operand 310 states and 432 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (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 18:36:33,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:33,264 INFO L93 Difference]: Finished difference Result 607 states and 832 transitions. [2024-11-23 18:36:33,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:33,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (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 124 [2024-11-23 18:36:33,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:33,269 INFO L225 Difference]: With dead ends: 607 [2024-11-23 18:36:33,269 INFO L226 Difference]: Without dead ends: 379 [2024-11-23 18:36:33,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:36:33,271 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 124 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:33,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 502 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:36:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-23 18:36:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-11-23 18:36:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 257 states have (on average 1.3229571984435797) internal successors, (340), 258 states have internal predecessors, (340), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 18:36:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 408 transitions. [2024-11-23 18:36:33,303 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 408 transitions. Word has length 124 [2024-11-23 18:36:33,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:33,303 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 408 transitions. [2024-11-23 18:36:33,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (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 18:36:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 408 transitions. [2024-11-23 18:36:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:36:33,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:33,305 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, 1, 1, 1] [2024-11-23 18:36:33,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:33,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:36:33,506 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:33,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:33,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1074785620, now seen corresponding path program 1 times [2024-11-23 18:36:33,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:33,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764696446] [2024-11-23 18:36:33,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:33,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:33,509 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:33,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:36:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:33,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:36:33,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:36,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-23 18:36:41,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:36:41,185 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 182 treesize of output 98 [2024-11-23 18:36:41,190 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 197 treesize of output 107 [2024-11-23 18:36:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-23 18:36:41,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:41,809 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:41,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764696446] [2024-11-23 18:36:41,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764696446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:41,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:41,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:36:41,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018564071] [2024-11-23 18:36:41,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:41,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 18:36:41,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:41,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 18:36:41,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:36:41,813 INFO L87 Difference]: Start difference. First operand 295 states and 408 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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 18:36:45,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s 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 18:36:47,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:36:52,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:36:54,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:36:55,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:36:59,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:37:00,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:00,290 INFO L93 Difference]: Finished difference Result 579 states and 792 transitions. [2024-11-23 18:37:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:37:00,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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 125 [2024-11-23 18:37:00,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:00,300 INFO L225 Difference]: With dead ends: 579 [2024-11-23 18:37:00,301 INFO L226 Difference]: Without dead ends: 577 [2024-11-23 18:37:00,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:37:00,301 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 194 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:00,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 972 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2024-11-23 18:37:00,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-23 18:37:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 573. [2024-11-23 18:37:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 499 states have (on average 1.314629258517034) internal successors, (656), 503 states have internal predecessors, (656), 65 states have call successors, (65), 8 states have call predecessors, (65), 8 states have return successors, (65), 61 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-23 18:37:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 786 transitions. [2024-11-23 18:37:00,371 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 786 transitions. Word has length 125 [2024-11-23 18:37:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:00,372 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 786 transitions. [2024-11-23 18:37:00,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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 18:37:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 786 transitions. [2024-11-23 18:37:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:37:00,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:00,375 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, 1, 1, 1] [2024-11-23 18:37:00,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-23 18:37:00,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:37:00,575 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:00,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:00,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1076632662, now seen corresponding path program 1 times [2024-11-23 18:37:00,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:37:00,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295048450] [2024-11-23 18:37:00,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:00,577 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 18:37:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:37:00,579 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:00,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:00,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 18:37:01,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:01,008 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 18:37:01,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 18:37:01,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-23 18:37:01,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:01,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-11-23 18:37:01,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:01,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-11-23 18:37:02,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:02,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-23 18:37:02,110 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:02,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 51 [2024-11-23 18:37:02,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:02,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 63 [2024-11-23 18:37:03,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:03,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 108 treesize of output 44 [2024-11-23 18:37:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-23 18:37:03,353 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:37:03,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:03,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295048450] [2024-11-23 18:37:03,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295048450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:03,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:03,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 18:37:03,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44675010] [2024-11-23 18:37:03,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:03,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:37:03,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:37:03,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:37:03,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:37:03,355 INFO L87 Difference]: Start difference. First operand 573 states and 786 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-23 18:37:05,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:05,927 INFO L93 Difference]: Finished difference Result 1333 states and 1780 transitions. [2024-11-23 18:37:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:37:05,929 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125 [2024-11-23 18:37:05,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:05,933 INFO L225 Difference]: With dead ends: 1333 [2024-11-23 18:37:05,934 INFO L226 Difference]: Without dead ends: 905 [2024-11-23 18:37:05,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:37:05,939 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 272 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:05,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 636 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:37:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-23 18:37:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 693. [2024-11-23 18:37:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 615 states have (on average 1.278048780487805) internal successors, (786), 619 states have internal predecessors, (786), 65 states have call successors, (65), 12 states have call predecessors, (65), 12 states have return successors, (65), 61 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-23 18:37:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 916 transitions. [2024-11-23 18:37:06,027 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 916 transitions. Word has length 125 [2024-11-23 18:37:06,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:06,027 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 916 transitions. [2024-11-23 18:37:06,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-23 18:37:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 916 transitions. [2024-11-23 18:37:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:37:06,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:06,033 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, 1, 1, 1] [2024-11-23 18:37:06,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:06,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:37:06,234 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:06,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1443327272, now seen corresponding path program 1 times [2024-11-23 18:37:06,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:37:06,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939099890] [2024-11-23 18:37:06,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:06,235 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 18:37:06,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:37:06,236 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:06,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:37:06,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:06,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:37:07,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-23 18:37:08,860 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 35 treesize of output 29 [2024-11-23 18:37:13,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:13,478 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 166 treesize of output 90 [2024-11-23 18:37:13,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 107 [2024-11-23 18:37:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-23 18:37:13,859 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:37:13,860 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:13,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939099890] [2024-11-23 18:37:13,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939099890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:13,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:13,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:37:13,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410517696] [2024-11-23 18:37:13,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:13,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:37:13,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:37:13,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:37:13,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:37:13,862 INFO L87 Difference]: Start difference. First operand 693 states and 916 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 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 18:37:18,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s 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 18:37:23,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:25,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:25,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:25,820 INFO L93 Difference]: Finished difference Result 1888 states and 2476 transitions. [2024-11-23 18:37:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:37:25,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 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 125 [2024-11-23 18:37:25,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:25,832 INFO L225 Difference]: With dead ends: 1888 [2024-11-23 18:37:25,832 INFO L226 Difference]: Without dead ends: 1358 [2024-11-23 18:37:25,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:37:25,840 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 244 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:25,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 750 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-23 18:37:25,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-11-23 18:37:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1352. [2024-11-23 18:37:25,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1195 states have (on average 1.2702928870292887) internal successors, (1518), 1207 states have internal predecessors, (1518), 128 states have call successors, (128), 28 states have call predecessors, (128), 28 states have return successors, (128), 116 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 18:37:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1774 transitions. [2024-11-23 18:37:25,988 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1774 transitions. Word has length 125 [2024-11-23 18:37:25,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:25,989 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 1774 transitions. [2024-11-23 18:37:25,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 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 18:37:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1774 transitions. [2024-11-23 18:37:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:37:25,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:25,993 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, 1, 1, 1] [2024-11-23 18:37:26,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:26,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:37:26,193 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:26,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:26,194 INFO L85 PathProgramCache]: Analyzing trace with hash 2105826518, now seen corresponding path program 1 times [2024-11-23 18:37:26,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:37:26,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675613154] [2024-11-23 18:37:26,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:26,195 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 18:37:26,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:37:26,196 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:26,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:26,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:37:26,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-23 18:37:26,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:37:26,481 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:26,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675613154] [2024-11-23 18:37:26,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675613154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:26,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:26,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:37:26,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829186624] [2024-11-23 18:37:26,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:26,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:37:26,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:37:26,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:37:26,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:37:26,483 INFO L87 Difference]: Start difference. First operand 1352 states and 1774 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (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 18:37:26,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:26,642 INFO L93 Difference]: Finished difference Result 2532 states and 3311 transitions. [2024-11-23 18:37:26,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:37:26,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (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 125 [2024-11-23 18:37:26,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:26,648 INFO L225 Difference]: With dead ends: 2532 [2024-11-23 18:37:26,649 INFO L226 Difference]: Without dead ends: 1352 [2024-11-23 18:37:26,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:37:26,660 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:26,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:37:26,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-23 18:37:26,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1352. [2024-11-23 18:37:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1195 states have (on average 1.2652719665271968) internal successors, (1512), 1207 states have internal predecessors, (1512), 128 states have call successors, (128), 28 states have call predecessors, (128), 28 states have return successors, (128), 116 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 18:37:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1768 transitions. [2024-11-23 18:37:26,810 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1768 transitions. Word has length 125 [2024-11-23 18:37:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:26,811 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 1768 transitions. [2024-11-23 18:37:26,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (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 18:37:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1768 transitions. [2024-11-23 18:37:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 18:37:26,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:26,814 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, 1, 1, 1, 1, 1] [2024-11-23 18:37:26,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:27,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:37:27,015 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:27,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:27,015 INFO L85 PathProgramCache]: Analyzing trace with hash 843932688, now seen corresponding path program 1 times [2024-11-23 18:37:27,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:37:27,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079331586] [2024-11-23 18:37:27,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:27,016 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 18:37:27,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:37:27,018 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:27,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:27,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 18:37:27,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:27,534 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 79 treesize of output 43 [2024-11-23 18:37:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-23 18:37:27,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:37:28,027 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 49 treesize of output 25 [2024-11-23 18:37:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:37:28,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079331586] [2024-11-23 18:37:28,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079331586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:37:28,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:37:28,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-23 18:37:28,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550023688] [2024-11-23 18:37:28,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:37:28,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:37:28,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:37:28,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:37:28,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:37:28,059 INFO L87 Difference]: Start difference. First operand 1352 states and 1768 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-23 18:37:32,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:32,997 INFO L93 Difference]: Finished difference Result 2625 states and 3407 transitions. [2024-11-23 18:37:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 18:37:33,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 127 [2024-11-23 18:37:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:33,010 INFO L225 Difference]: With dead ends: 2625 [2024-11-23 18:37:33,010 INFO L226 Difference]: Without dead ends: 1382 [2024-11-23 18:37:33,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-23 18:37:33,033 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 122 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:33,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 768 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-23 18:37:33,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-11-23 18:37:33,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1342. [2024-11-23 18:37:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1185 states have (on average 1.2590717299578058) internal successors, (1492), 1197 states have internal predecessors, (1492), 128 states have call successors, (128), 28 states have call predecessors, (128), 28 states have return successors, (128), 116 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 18:37:33,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1748 transitions. [2024-11-23 18:37:33,196 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1748 transitions. Word has length 127 [2024-11-23 18:37:33,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:33,197 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1748 transitions. [2024-11-23 18:37:33,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-23 18:37:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1748 transitions. [2024-11-23 18:37:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 18:37:33,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:33,201 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, 1, 1, 1, 1, 1] [2024-11-23 18:37:33,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:33,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:37:33,401 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:33,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:33,402 INFO L85 PathProgramCache]: Analyzing trace with hash 2104923162, now seen corresponding path program 1 times [2024-11-23 18:37:33,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:37:33,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462716217] [2024-11-23 18:37:33,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:33,403 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 18:37:33,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:37:33,404 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:33,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:37:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:33,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:37:33,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:36,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-23 18:37:41,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:41,822 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 182 treesize of output 98 [2024-11-23 18:37:41,827 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 195 treesize of output 105 [2024-11-23 18:37:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 142 proven. 30 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-23 18:37:42,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:37:50,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:50,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462716217] [2024-11-23 18:37:50,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462716217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:37:50,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1445867022] [2024-11-23 18:37:50,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:50,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:37:50,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:37:50,523 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:37:50,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-23 18:37:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:51,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-23 18:37:51,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:53,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:37:58,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-23 18:38:09,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:38:09,180 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 142 treesize of output 86 [2024-11-23 18:38:09,185 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 165 treesize of output 105 [2024-11-23 18:38:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 142 proven. 30 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-23 18:38:09,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:38:23,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1445867022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:38:23,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:38:23,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-23 18:38:23,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573587680] [2024-11-23 18:38:23,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:38:23,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-23 18:38:23,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:38:23,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-23 18:38:23,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=678, Unknown=0, NotChecked=0, Total=812 [2024-11-23 18:38:23,127 INFO L87 Difference]: Start difference. First operand 1342 states and 1748 transitions. Second operand has 23 states, 21 states have (on average 6.095238095238095) internal successors, (128), 20 states have internal predecessors, (128), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-23 18:38:27,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:38:29,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s 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 18:38:42,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:38:47,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:38:48,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:48,592 INFO L93 Difference]: Finished difference Result 2036 states and 2632 transitions. [2024-11-23 18:38:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 18:38:48,593 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.095238095238095) internal successors, (128), 20 states have internal predecessors, (128), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2024-11-23 18:38:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:48,600 INFO L225 Difference]: With dead ends: 2036 [2024-11-23 18:38:48,601 INFO L226 Difference]: Without dead ends: 2034 [2024-11-23 18:38:48,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 284 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 29.9s TimeCoverageRelationStatistics Valid=286, Invalid=1196, Unknown=0, NotChecked=0, Total=1482 [2024-11-23 18:38:48,603 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 458 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:48,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1119 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 798 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2024-11-23 18:38:48,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2024-11-23 18:38:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1406. [2024-11-23 18:38:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1223 states have (on average 1.2510220768601799) internal successors, (1530), 1237 states have internal predecessors, (1530), 150 states have call successors, (150), 32 states have call predecessors, (150), 32 states have return successors, (150), 136 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-23 18:38:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1830 transitions. [2024-11-23 18:38:48,790 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1830 transitions. Word has length 127 [2024-11-23 18:38:48,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:48,790 INFO L471 AbstractCegarLoop]: Abstraction has 1406 states and 1830 transitions. [2024-11-23 18:38:48,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.095238095238095) internal successors, (128), 20 states have internal predecessors, (128), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-23 18:38:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1830 transitions. [2024-11-23 18:38:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 18:38:48,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:48,793 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, 1, 1, 1, 1, 1] [2024-11-23 18:38:48,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-23 18:38:49,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:38:49,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:38:49,197 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:49,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:49,198 INFO L85 PathProgramCache]: Analyzing trace with hash 198519896, now seen corresponding path program 1 times [2024-11-23 18:38:49,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:38:49,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785460655] [2024-11-23 18:38:49,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:49,198 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 18:38:49,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:38:49,200 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:38:49,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-23 18:38:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:49,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:38:49,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-23 18:38:49,545 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:38:49,545 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:38:49,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785460655] [2024-11-23 18:38:49,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785460655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:38:49,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:38:49,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:38:49,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520901672] [2024-11-23 18:38:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:38:49,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:38:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:38:49,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:38:49,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:38:49,547 INFO L87 Difference]: Start difference. First operand 1406 states and 1830 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 18:38:49,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:49,953 INFO L93 Difference]: Finished difference Result 2010 states and 2583 transitions. [2024-11-23 18:38:49,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:38:49,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2024-11-23 18:38:49,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:49,958 INFO L225 Difference]: With dead ends: 2010 [2024-11-23 18:38:49,958 INFO L226 Difference]: Without dead ends: 800 [2024-11-23 18:38:49,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:38:49,961 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:49,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 575 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:38:49,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-23 18:38:50,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 776. [2024-11-23 18:38:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 667 states have (on average 1.2353823088455773) internal successors, (824), 673 states have internal predecessors, (824), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 82 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-23 18:38:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1000 transitions. [2024-11-23 18:38:50,070 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1000 transitions. Word has length 127 [2024-11-23 18:38:50,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:50,071 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1000 transitions. [2024-11-23 18:38:50,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 18:38:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1000 transitions. [2024-11-23 18:38:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 18:38:50,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:50,074 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, 1, 1, 1, 1, 1] [2024-11-23 18:38:50,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-23 18:38:50,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:38:50,274 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:50,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:50,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1319683886, now seen corresponding path program 1 times [2024-11-23 18:38:50,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:38:50,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109495491] [2024-11-23 18:38:50,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:50,275 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 18:38:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:38:50,277 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:38:50,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:38:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:50,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 18:38:50,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:50,719 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 18:38:51,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2024-11-23 18:38:53,163 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 30 treesize of output 39 [2024-11-23 18:38:58,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:38:58,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 176 treesize of output 94 [2024-11-23 18:38:58,134 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 165 treesize of output 105 [2024-11-23 18:38:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-23 18:38:58,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:39:04,857 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:39:04,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109495491] [2024-11-23 18:39:04,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109495491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:39:04,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [818618247] [2024-11-23 18:39:04,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:39:04,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:39:04,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:39:04,860 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:39:04,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-23 18:39:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:39:05,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 18:39:05,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:39:06,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:39:08,873 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 62 treesize of output 30 [2024-11-23 18:39:11,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2024-11-23 18:39:17,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:39:17,088 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 158 treesize of output 94 [2024-11-23 18:39:17,093 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 165 treesize of output 105 [2024-11-23 18:39:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-23 18:39:17,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:39:22,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [818618247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:39:22,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:39:22,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-23 18:39:22,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666670446] [2024-11-23 18:39:22,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:39:22,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 18:39:22,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:39:22,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 18:39:22,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2024-11-23 18:39:22,725 INFO L87 Difference]: Start difference. First operand 776 states and 1000 transitions. Second operand has 22 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-23 18:39:28,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:39:30,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s 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 18:39:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:39:41,662 INFO L93 Difference]: Finished difference Result 1352 states and 1719 transitions. [2024-11-23 18:39:41,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 18:39:41,663 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2024-11-23 18:39:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:39:41,665 INFO L225 Difference]: With dead ends: 1352 [2024-11-23 18:39:41,665 INFO L226 Difference]: Without dead ends: 804 [2024-11-23 18:39:41,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=241, Invalid=815, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 18:39:41,667 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 358 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:39:41,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1412 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2024-11-23 18:39:41,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-23 18:39:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 448. [2024-11-23 18:39:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 376 states have (on average 1.2154255319148937) internal successors, (457), 379 states have internal predecessors, (457), 57 states have call successors, (57), 14 states have call predecessors, (57), 14 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-23 18:39:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 571 transitions. [2024-11-23 18:39:41,747 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 571 transitions. Word has length 127 [2024-11-23 18:39:41,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:39:41,748 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 571 transitions. [2024-11-23 18:39:41,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-23 18:39:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 571 transitions. [2024-11-23 18:39:41,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 18:39:41,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:39:41,749 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:39:41,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:39:41,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-23 18:39:42,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:39:42,151 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:39:42,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:39:42,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1409300808, now seen corresponding path program 1 times [2024-11-23 18:39:42,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:39:42,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841470195] [2024-11-23 18:39:42,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:39:42,152 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 18:39:42,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:39:42,154 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:39:42,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:39:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:39:42,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:39:42,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:39:43,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-23 18:39:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 18:39:43,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:39:43,469 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 18:39:43,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:39:43,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841470195] [2024-11-23 18:39:43,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841470195] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:39:43,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:39:43,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-23 18:39:43,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088072394] [2024-11-23 18:39:43,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:39:43,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:39:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:39:43,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:39:43,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:39:43,471 INFO L87 Difference]: Start difference. First operand 448 states and 571 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (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 18:39:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:39:43,634 INFO L93 Difference]: Finished difference Result 862 states and 1080 transitions. [2024-11-23 18:39:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:39:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (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 129 [2024-11-23 18:39:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:39:43,636 INFO L225 Difference]: With dead ends: 862 [2024-11-23 18:39:43,636 INFO L226 Difference]: Without dead ends: 572 [2024-11-23 18:39:43,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:39:43,638 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:39:43,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 385 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:39:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-23 18:39:43,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 448. [2024-11-23 18:39:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 376 states have (on average 1.2074468085106382) internal successors, (454), 379 states have internal predecessors, (454), 57 states have call successors, (57), 14 states have call predecessors, (57), 14 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-23 18:39:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 568 transitions. [2024-11-23 18:39:43,717 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 568 transitions. Word has length 129 [2024-11-23 18:39:43,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:39:43,718 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 568 transitions. [2024-11-23 18:39:43,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (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 18:39:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 568 transitions. [2024-11-23 18:39:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 18:39:43,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:39:43,719 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:39:43,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 18:39:43,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:39:43,920 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:39:43,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:39:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1080228154, now seen corresponding path program 1 times [2024-11-23 18:39:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:39:43,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780489073] [2024-11-23 18:39:43,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:39:43,921 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 18:39:43,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:39:43,923 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:39:43,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:39:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:39:44,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:39:44,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:39:44,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-11-23 18:39:45,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:39:45,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 54 [2024-11-23 18:39:51,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:39:51,037 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 152 treesize of output 68 [2024-11-23 18:39:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-23 18:39:57,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:39:57,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:39:57,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780489073] [2024-11-23 18:39:57,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780489073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:39:57,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:39:57,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:39:57,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899786338] [2024-11-23 18:39:57,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:39:57,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:39:57,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:39:57,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:39:57,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:39:57,056 INFO L87 Difference]: Start difference. First operand 448 states and 568 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 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 18:40:32,246 WARN L286 SmtUtils]: Spent 19.94s on a formula simplification. DAG size of input: 69 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:40:33,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:40:35,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:40:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:40:40,220 INFO L93 Difference]: Finished difference Result 1407 states and 1774 transitions. [2024-11-23 18:40:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:40:40,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 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 129 [2024-11-23 18:40:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:40:40,225 INFO L225 Difference]: With dead ends: 1407 [2024-11-23 18:40:40,225 INFO L226 Difference]: Without dead ends: 1111 [2024-11-23 18:40:40,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 38.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:40:40,226 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 200 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:40:40,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 905 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2024-11-23 18:40:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2024-11-23 18:40:40,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 893. [2024-11-23 18:40:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 759 states have (on average 1.2173913043478262) internal successors, (924), 764 states have internal predecessors, (924), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 99 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-23 18:40:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1132 transitions. [2024-11-23 18:40:40,391 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1132 transitions. Word has length 129 [2024-11-23 18:40:40,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:40:40,392 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1132 transitions. [2024-11-23 18:40:40,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 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 18:40:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1132 transitions. [2024-11-23 18:40:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 18:40:40,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:40:40,393 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:40:40,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:40:40,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:40:40,594 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:40:40,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:40:40,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1018188540, now seen corresponding path program 1 times [2024-11-23 18:40:40,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:40:40,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633152587] [2024-11-23 18:40:40,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:40:40,595 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 18:40:40,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:40:40,597 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:40:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:40:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:40:41,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:40:41,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:40:41,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-11-23 18:40:41,486 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 51 treesize of output 23 [2024-11-23 18:40:45,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:40:45,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-23 18:40:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-23 18:40:47,683 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:40:47,684 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:40:47,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633152587] [2024-11-23 18:40:47,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633152587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:40:47,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:40:47,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:40:47,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800548120] [2024-11-23 18:40:47,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:40:47,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:40:47,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:40:47,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:40:47,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:40:47,685 INFO L87 Difference]: Start difference. First operand 893 states and 1132 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 18:41:05,730 WARN L286 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 65 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:41:08,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:41:15,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:15,133 INFO L93 Difference]: Finished difference Result 2007 states and 2530 transitions. [2024-11-23 18:41:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:41:15,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 129 [2024-11-23 18:41:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:15,141 INFO L225 Difference]: With dead ends: 2007 [2024-11-23 18:41:15,141 INFO L226 Difference]: Without dead ends: 1331 [2024-11-23 18:41:15,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:41:15,143 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 199 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:15,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 873 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2024-11-23 18:41:15,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-11-23 18:41:15,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1055. [2024-11-23 18:41:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 885 states have (on average 1.2293785310734464) internal successors, (1088), 890 states have internal predecessors, (1088), 132 states have call successors, (132), 37 states have call predecessors, (132), 37 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-23 18:41:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1352 transitions. [2024-11-23 18:41:15,357 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1352 transitions. Word has length 129 [2024-11-23 18:41:15,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:15,357 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1352 transitions. [2024-11-23 18:41:15,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 18:41:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1352 transitions. [2024-11-23 18:41:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 18:41:15,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:15,359 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:15,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 18:41:15,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:41:15,560 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:15,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash -168988994, now seen corresponding path program 1 times [2024-11-23 18:41:15,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:41:15,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833912471] [2024-11-23 18:41:15,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:15,561 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 18:41:15,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:41:15,563 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:15,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:16,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 18:41:16,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:41:16,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:41:16,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-23 18:41:16,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-23 18:41:16,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:16,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2024-11-23 18:41:16,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:16,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2024-11-23 18:41:17,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:17,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 55 [2024-11-23 18:41:17,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2024-11-23 18:41:18,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:18,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 75 [2024-11-23 18:41:18,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:18,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 42 [2024-11-23 18:41:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 263 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-23 18:41:18,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:41:19,596 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 18:41:19,596 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:41:19,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833912471] [2024-11-23 18:41:19,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833912471] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:41:19,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:41:19,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2024-11-23 18:41:19,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141612755] [2024-11-23 18:41:19,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:41:19,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:41:19,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:41:19,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:41:19,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:41:19,598 INFO L87 Difference]: Start difference. First operand 1055 states and 1352 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (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 18:41:20,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:20,601 INFO L93 Difference]: Finished difference Result 2182 states and 2730 transitions. [2024-11-23 18:41:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:41:20,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (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 130 [2024-11-23 18:41:20,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:20,607 INFO L225 Difference]: With dead ends: 2182 [2024-11-23 18:41:20,607 INFO L226 Difference]: Without dead ends: 1383 [2024-11-23 18:41:20,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-23 18:41:20,609 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 136 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:20,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 411 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:41:20,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-23 18:41:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1071. [2024-11-23 18:41:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 897 states have (on average 1.221850613154961) internal successors, (1096), 902 states have internal predecessors, (1096), 132 states have call successors, (132), 41 states have call predecessors, (132), 41 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-23 18:41:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1360 transitions. [2024-11-23 18:41:20,829 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1360 transitions. Word has length 130 [2024-11-23 18:41:20,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:20,830 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1360 transitions. [2024-11-23 18:41:20,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (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 18:41:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1360 transitions. [2024-11-23 18:41:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 18:41:20,832 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:20,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:20,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:21,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:41:21,033 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:21,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:21,033 INFO L85 PathProgramCache]: Analyzing trace with hash -738933777, now seen corresponding path program 1 times [2024-11-23 18:41:21,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:41:21,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71378197] [2024-11-23 18:41:21,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:21,033 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 18:41:21,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:41:21,035 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:21,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:21,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:41:21,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:41:21,922 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 47 treesize of output 23 [2024-11-23 18:41:22,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:22,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 54 [2024-11-23 18:41:24,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:24,545 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 128 treesize of output 56 [2024-11-23 18:41:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-23 18:41:24,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:41:26,287 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:41:26,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71378197] [2024-11-23 18:41:26,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71378197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:41:26,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1056799866] [2024-11-23 18:41:26,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:26,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:41:26,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:41:26,289 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:41:26,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-23 18:41:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:27,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 18:41:27,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:41:27,932 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 41 treesize of output 21 [2024-11-23 18:41:28,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:28,980 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 1 case distinctions, treesize of input 89 treesize of output 52 [2024-11-23 18:41:34,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:34,269 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 158 treesize of output 74 [2024-11-23 18:41:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-23 18:41:36,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:41:36,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1056799866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:41:36,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:41:36,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-23 18:41:36,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302419701] [2024-11-23 18:41:36,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:41:36,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:41:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:41:36,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:41:36,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-11-23 18:41:36,232 INFO L87 Difference]: Start difference. First operand 1071 states and 1360 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 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 18:41:42,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:41:52,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:52,940 INFO L93 Difference]: Finished difference Result 2104 states and 2651 transitions. [2024-11-23 18:41:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:41:52,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 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 131 [2024-11-23 18:41:52,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:52,945 INFO L225 Difference]: With dead ends: 2104 [2024-11-23 18:41:52,945 INFO L226 Difference]: Without dead ends: 1305 [2024-11-23 18:41:52,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-23 18:41:52,946 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:52,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 915 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-11-23 18:41:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2024-11-23 18:41:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1211. [2024-11-23 18:41:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1037 states have (on average 1.2237222757955641) internal successors, (1269), 1042 states have internal predecessors, (1269), 132 states have call successors, (132), 41 states have call predecessors, (132), 41 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-23 18:41:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1533 transitions. [2024-11-23 18:41:53,176 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1533 transitions. Word has length 131 [2024-11-23 18:41:53,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:53,177 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1533 transitions. [2024-11-23 18:41:53,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 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 18:41:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1533 transitions. [2024-11-23 18:41:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 18:41:53,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:53,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:53,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-23 18:41:53,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:53,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:41:53,580 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:53,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:53,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1473689222, now seen corresponding path program 1 times [2024-11-23 18:41:53,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:41:53,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671279719] [2024-11-23 18:41:53,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:53,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:41:53,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:41:53,582 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:53,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:54,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 18:41:54,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:41:54,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:41:54,060 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 18:41:54,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-23 18:41:54,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:54,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2024-11-23 18:41:55,011 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:55,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-11-23 18:41:55,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:55,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-11-23 18:41:55,592 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 61 treesize of output 45 [2024-11-23 18:41:55,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:55,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 75 [2024-11-23 18:41:56,285 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:56,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 42 [2024-11-23 18:41:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 263 proven. 12 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-23 18:41:56,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:41:56,892 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 18:41:56,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:41:56,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671279719] [2024-11-23 18:41:56,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671279719] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:41:56,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:41:56,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-23 18:41:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316719802] [2024-11-23 18:41:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:41:56,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:41:56,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:41:56,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:41:56,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:41:56,894 INFO L87 Difference]: Start difference. First operand 1211 states and 1533 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (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 18:41:57,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:57,841 INFO L93 Difference]: Finished difference Result 2386 states and 2965 transitions. [2024-11-23 18:41:57,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:41:57,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (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 131 [2024-11-23 18:41:57,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:57,845 INFO L225 Difference]: With dead ends: 2386 [2024-11-23 18:41:57,845 INFO L226 Difference]: Without dead ends: 1479 [2024-11-23 18:41:57,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:41:57,847 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 100 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:57,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 419 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:41:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2024-11-23 18:41:58,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1165. [2024-11-23 18:41:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 991 states have (on average 1.2209889001009082) internal successors, (1210), 996 states have internal predecessors, (1210), 132 states have call successors, (132), 41 states have call predecessors, (132), 41 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-23 18:41:58,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1474 transitions. [2024-11-23 18:41:58,047 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1474 transitions. Word has length 131 [2024-11-23 18:41:58,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:58,047 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1474 transitions. [2024-11-23 18:41:58,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (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 18:41:58,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1474 transitions. [2024-11-23 18:41:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:41:58,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:58,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:58,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:58,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:41:58,259 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:58,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1533167254, now seen corresponding path program 1 times [2024-11-23 18:41:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:41:58,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668899454] [2024-11-23 18:41:58,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:58,259 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 18:41:58,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:41:58,261 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:58,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:41:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:58,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 18:41:58,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:41:58,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:41:58,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-11-23 18:41:58,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:41:58,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 17 [2024-11-23 18:41:59,165 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 18:41:59,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:41:59,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:41:59,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668899454] [2024-11-23 18:41:59,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668899454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:41:59,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:41:59,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:41:59,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941960632] [2024-11-23 18:41:59,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:41:59,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:41:59,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:41:59,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:41:59,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:41:59,167 INFO L87 Difference]: Start difference. First operand 1165 states and 1474 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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 18:42:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:42:01,192 INFO L93 Difference]: Finished difference Result 2621 states and 3242 transitions. [2024-11-23 18:42:01,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:42:01,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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 136 [2024-11-23 18:42:01,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:42:01,197 INFO L225 Difference]: With dead ends: 2621 [2024-11-23 18:42:01,197 INFO L226 Difference]: Without dead ends: 1751 [2024-11-23 18:42:01,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:42:01,199 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 78 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:42:01,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1357 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-23 18:42:01,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2024-11-23 18:42:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1744. [2024-11-23 18:42:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1486 states have (on average 1.189771197846568) internal successors, (1768), 1501 states have internal predecessors, (1768), 186 states have call successors, (186), 71 states have call predecessors, (186), 71 states have return successors, (186), 171 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-23 18:42:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2140 transitions. [2024-11-23 18:42:01,497 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2140 transitions. Word has length 136 [2024-11-23 18:42:01,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:42:01,497 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2140 transitions. [2024-11-23 18:42:01,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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 18:42:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2140 transitions. [2024-11-23 18:42:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:42:01,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:42:01,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:01,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 18:42:01,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:42:01,701 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:42:01,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1750682792, now seen corresponding path program 1 times [2024-11-23 18:42:01,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:42:01,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357823818] [2024-11-23 18:42:01,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:01,701 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 18:42:01,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:42:01,703 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:42:01,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:42:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:02,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 18:42:02,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:42:02,256 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 18:42:02,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-23 18:42:02,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:02,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-11-23 18:42:03,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:03,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-23 18:42:03,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:03,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-23 18:42:03,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:03,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 47 [2024-11-23 18:42:04,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:04,490 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 70 treesize of output 28 [2024-11-23 18:42:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 231 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-23 18:42:04,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:42:05,022 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 18:42:05,023 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:42:05,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357823818] [2024-11-23 18:42:05,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357823818] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:42:05,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:42:05,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-23 18:42:05,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610952650] [2024-11-23 18:42:05,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:05,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:42:05,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:42:05,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:42:05,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:42:05,025 INFO L87 Difference]: Start difference. First operand 1744 states and 2140 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 18:42:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:42:06,025 INFO L93 Difference]: Finished difference Result 3182 states and 3879 transitions. [2024-11-23 18:42:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:42:06,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 136 [2024-11-23 18:42:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:42:06,033 INFO L225 Difference]: With dead ends: 3182 [2024-11-23 18:42:06,034 INFO L226 Difference]: Without dead ends: 1763 [2024-11-23 18:42:06,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:42:06,036 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 130 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:42:06,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 387 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:42:06,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2024-11-23 18:42:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1756. [2024-11-23 18:42:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1494 states have (on average 1.1860776439089693) internal successors, (1772), 1509 states have internal predecessors, (1772), 186 states have call successors, (186), 75 states have call predecessors, (186), 75 states have return successors, (186), 171 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-23 18:42:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2144 transitions. [2024-11-23 18:42:06,265 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2144 transitions. Word has length 136 [2024-11-23 18:42:06,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:42:06,265 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 2144 transitions. [2024-11-23 18:42:06,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 18:42:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2144 transitions. [2024-11-23 18:42:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:42:06,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:42:06,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:06,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:42:06,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:42:06,468 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:42:06,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:06,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1039170859, now seen corresponding path program 1 times [2024-11-23 18:42:06,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:42:06,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313717252] [2024-11-23 18:42:06,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:06,469 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 18:42:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:42:06,471 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:42:06,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:42:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:06,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:42:06,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:42:59,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:59,420 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 259 treesize of output 91 [2024-11-23 18:43:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-23 18:43:05,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:05,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313717252] [2024-11-23 18:43:05,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313717252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:05,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:05,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 18:43:05,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824568614] [2024-11-23 18:43:05,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:05,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 18:43:05,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:05,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 18:43:05,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:43:05,514 INFO L87 Difference]: Start difference. First operand 1756 states and 2144 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 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 18:43:34,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:41,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:48,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:50,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:45:23,453 WARN L286 SmtUtils]: Spent 1.23m on a formula simplification. DAG size of input: 73 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:45:28,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:45:32,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:45:35,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:45:45,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:45:48,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:46:00,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:00,201 INFO L93 Difference]: Finished difference Result 4888 states and 5890 transitions. [2024-11-23 18:46:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 18:46:00,218 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 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 136 [2024-11-23 18:46:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:00,227 INFO L225 Difference]: With dead ends: 4888 [2024-11-23 18:46:00,227 INFO L226 Difference]: Without dead ends: 3473 [2024-11-23 18:46:00,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 119.2s TimeCoverageRelationStatistics Valid=55, Invalid=183, Unknown=2, NotChecked=0, Total=240 [2024-11-23 18:46:00,229 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 342 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:00,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1212 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 679 Invalid, 2 Unknown, 0 Unchecked, 77.7s Time] [2024-11-23 18:46:00,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2024-11-23 18:46:00,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 2239. [2024-11-23 18:46:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1947 states have (on average 1.1941448382126347) internal successors, (2325), 1965 states have internal predecessors, (2325), 208 states have call successors, (208), 83 states have call predecessors, (208), 83 states have return successors, (208), 190 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-23 18:46:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2741 transitions. [2024-11-23 18:46:00,647 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2741 transitions. Word has length 136 [2024-11-23 18:46:00,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:00,648 INFO L471 AbstractCegarLoop]: Abstraction has 2239 states and 2741 transitions. [2024-11-23 18:46:00,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 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 18:46:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2741 transitions. [2024-11-23 18:46:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:46:00,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:00,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:00,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:00,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:46:00,851 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:00,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:00,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1510535000, now seen corresponding path program 1 times [2024-11-23 18:46:00,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:00,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851452534] [2024-11-23 18:46:00,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:00,853 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 18:46:00,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:00,855 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:00,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:01,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 18:46:01,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:01,496 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 18:46:01,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-11-23 18:46:01,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:01,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-11-23 18:46:02,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:02,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-11-23 18:46:02,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:02,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-11-23 18:46:02,864 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:02,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 49 [2024-11-23 18:46:03,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:03,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 30 [2024-11-23 18:46:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 191 proven. 12 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-23 18:46:03,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:46:04,065 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 18:46:04,065 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:04,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851452534] [2024-11-23 18:46:04,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851452534] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:46:04,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:46:04,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-23 18:46:04,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174650880] [2024-11-23 18:46:04,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:04,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:46:04,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:04,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:46:04,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:46:04,067 INFO L87 Difference]: Start difference. First operand 2239 states and 2741 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 18:46:05,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:05,107 INFO L93 Difference]: Finished difference Result 4637 states and 5628 transitions. [2024-11-23 18:46:05,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:46:05,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 136 [2024-11-23 18:46:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:05,118 INFO L225 Difference]: With dead ends: 4637 [2024-11-23 18:46:05,118 INFO L226 Difference]: Without dead ends: 2819 [2024-11-23 18:46:05,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:46:05,122 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 126 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:05,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 496 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 18:46:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2024-11-23 18:46:05,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2401. [2024-11-23 18:46:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 2109 states have (on average 1.1939307728781412) internal successors, (2518), 2127 states have internal predecessors, (2518), 208 states have call successors, (208), 83 states have call predecessors, (208), 83 states have return successors, (208), 190 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-23 18:46:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 2934 transitions. [2024-11-23 18:46:05,394 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 2934 transitions. Word has length 136 [2024-11-23 18:46:05,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:05,394 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 2934 transitions. [2024-11-23 18:46:05,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 18:46:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2934 transitions. [2024-11-23 18:46:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:46:05,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:05,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:05,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2024-11-23 18:46:05,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:46:05,597 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:05,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1773315046, now seen corresponding path program 1 times [2024-11-23 18:46:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:05,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653229944] [2024-11-23 18:46:05,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:05,597 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 18:46:05,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:05,599 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:05,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:06,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 18:46:06,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:06,169 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 18:46:06,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 18:46:06,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 18:46:06,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 18:46:06,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2024-11-23 18:46:06,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:06,847 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 42 treesize of output 22 [2024-11-23 18:46:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-23 18:46:07,077 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:07,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:07,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653229944] [2024-11-23 18:46:07,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653229944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:07,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:07,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 18:46:07,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428390954] [2024-11-23 18:46:07,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:07,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 18:46:07,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:07,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 18:46:07,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:46:07,078 INFO L87 Difference]: Start difference. First operand 2401 states and 2934 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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 18:46:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:10,770 INFO L93 Difference]: Finished difference Result 4838 states and 5863 transitions. [2024-11-23 18:46:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:46:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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 136 [2024-11-23 18:46:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:10,780 INFO L225 Difference]: With dead ends: 4838 [2024-11-23 18:46:10,780 INFO L226 Difference]: Without dead ends: 2883 [2024-11-23 18:46:10,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:46:10,783 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 183 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:10,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1239 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-23 18:46:10,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2024-11-23 18:46:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2875. [2024-11-23 18:46:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2469 states have (on average 1.176994734710409) internal successors, (2906), 2499 states have internal predecessors, (2906), 282 states have call successors, (282), 123 states have call predecessors, (282), 123 states have return successors, (282), 252 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-23 18:46:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3470 transitions. [2024-11-23 18:46:11,185 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3470 transitions. Word has length 136 [2024-11-23 18:46:11,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:11,186 INFO L471 AbstractCegarLoop]: Abstraction has 2875 states and 3470 transitions. [2024-11-23 18:46:11,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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 18:46:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3470 transitions. [2024-11-23 18:46:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:46:11,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:11,188 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:11,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 18:46:11,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:46:11,389 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:11,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:11,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1111557417, now seen corresponding path program 1 times [2024-11-23 18:46:11,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:11,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179807199] [2024-11-23 18:46:11,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:11,391 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 18:46:11,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:11,393 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:11,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:46:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:11,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:46:11,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:58,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:58,090 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 220 treesize of output 76 [2024-11-23 18:47:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-23 18:47:03,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:03,289 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:03,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179807199] [2024-11-23 18:47:03,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179807199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:03,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:03,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 18:47:03,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246945271] [2024-11-23 18:47:03,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:03,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:47:03,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:03,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:47:03,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:47:03,292 INFO L87 Difference]: Start difference. First operand 2875 states and 3470 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 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 18:47:42,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:47:50,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:47:52,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:47:54,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:47:57,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:48:02,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:49:24,976 WARN L286 SmtUtils]: Spent 54.49s on a formula simplification. DAG size of input: 61 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:49:29,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:49:41,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:49:43,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:49:56,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:50:00,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:50:02,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:50:02,050 INFO L93 Difference]: Finished difference Result 6988 states and 8316 transitions. [2024-11-23 18:50:02,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 18:50:02,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 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 136 [2024-11-23 18:50:02,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:50:02,074 INFO L225 Difference]: With dead ends: 6988 [2024-11-23 18:50:02,074 INFO L226 Difference]: Without dead ends: 4559 [2024-11-23 18:50:02,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 106.8s TimeCoverageRelationStatistics Valid=51, Invalid=154, Unknown=5, NotChecked=0, Total=210 [2024-11-23 18:50:02,078 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 253 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:50:02,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1228 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 92.5s Time] [2024-11-23 18:50:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2024-11-23 18:50:02,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 2875. [2024-11-23 18:50:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2469 states have (on average 1.176994734710409) internal successors, (2906), 2499 states have internal predecessors, (2906), 282 states have call successors, (282), 123 states have call predecessors, (282), 123 states have return successors, (282), 252 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-23 18:50:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3470 transitions. [2024-11-23 18:50:02,611 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3470 transitions. Word has length 136 [2024-11-23 18:50:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:50:02,612 INFO L471 AbstractCegarLoop]: Abstraction has 2875 states and 3470 transitions. [2024-11-23 18:50:02,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 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 18:50:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3470 transitions. [2024-11-23 18:50:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 18:50:02,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:50:02,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:50:02,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:50:02,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.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 18:50:02,815 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:50:02,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:50:02,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1149178486, now seen corresponding path program 1 times [2024-11-23 18:50:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:50:02,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087537655] [2024-11-23 18:50:02,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:50:02,816 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 18:50:02,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:50:02,818 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 18:50:02,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221e10e6-884b-4322-b0d4-cc35b322260e/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process