./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1 --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 6505c5086d29586e7ec0f5f77e8e039fa1bd40cb84198ddba96d37f8ed5ec1eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:04:06,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:04:06,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:04:06,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:04:06,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:04:06,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:04:06,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:04:06,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:04:06,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:04:06,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:04:06,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:04:06,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:04:06,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:04:06,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:04:06,539 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:04:06,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:04:06,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:04:06,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:04:06,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:04:06,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:04:06,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:04:06,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:04:06,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:04:06,542 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_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1 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 -> 6505c5086d29586e7ec0f5f77e8e039fa1bd40cb84198ddba96d37f8ed5ec1eb [2024-12-01 23:04:06,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:04:06,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:04:06,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:04:06,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:04:06,788 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:04:06,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i [2024-12-01 23:04:09,510 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/287e70920/67e499da150d4f4fa64e8a8f6a6324fd/FLAG56ec8f288 [2024-12-01 23:04:09,728 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:04:09,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i [2024-12-01 23:04:09,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/287e70920/67e499da150d4f4fa64e8a8f6a6324fd/FLAG56ec8f288 [2024-12-01 23:04:10,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/287e70920/67e499da150d4f4fa64e8a8f6a6324fd [2024-12-01 23:04:10,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:04:10,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:04:10,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:04:10,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:04:10,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:04:10,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d780e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10, skipping insertion in model container [2024-12-01 23:04:10,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:04:10,227 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_bfee498d-3d52-41a1-9511-60ed98d0e08b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i[916,929] [2024-12-01 23:04:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:04:10,284 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:04:10,294 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_bfee498d-3d52-41a1-9511-60ed98d0e08b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i[916,929] [2024-12-01 23:04:10,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:04:10,336 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:04:10,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10 WrapperNode [2024-12-01 23:04:10,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:04:10,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:04:10,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:04:10,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:04:10,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,379 INFO L138 Inliner]: procedures = 29, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 358 [2024-12-01 23:04:10,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:04:10,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:04:10,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:04:10,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:04:10,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,410 INFO L175 MemorySlicer]: Split 86 memory accesses to 6 slices as follows [2, 6, 22, 8, 17, 31]. 36 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 2, 1, 2, 3]. The 13 writes are split as follows [0, 1, 2, 1, 3, 6]. [2024-12-01 23:04:10,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:04:10,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:04:10,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:04:10,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:04:10,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (1/1) ... [2024-12-01 23:04:10,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:04:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:10,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:04:10,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:04:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-01 23:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 23:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-01 23:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:04:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 23:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:04:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:04:10,620 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:04:10,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:04:10,961 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-12-01 23:04:10,961 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:04:10,971 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:04:10,971 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:04:10,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:10 BoogieIcfgContainer [2024-12-01 23:04:10,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:04:10,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:04:10,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:04:10,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:04:10,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:04:10" (1/3) ... [2024-12-01 23:04:10,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4853c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:04:10, skipping insertion in model container [2024-12-01 23:04:10,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:10" (2/3) ... [2024-12-01 23:04:10,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4853c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:04:10, skipping insertion in model container [2024-12-01 23:04:10,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:10" (3/3) ... [2024-12-01 23:04:10,980 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-9.i [2024-12-01 23:04:10,992 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:04:10,993 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-9.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:04:11,039 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:04:11,048 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;@32b6559f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:04:11,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:04:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 69 states have internal predecessors, (97), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:11,057 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:11,057 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:11,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:11,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1456443472, now seen corresponding path program 1 times [2024-12-01 23:04:11,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:11,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214458224] [2024-12-01 23:04:11,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:11,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-01 23:04:11,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:11,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214458224] [2024-12-01 23:04:11,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214458224] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:11,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924704573] [2024-12-01 23:04:11,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:11,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:11,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:11,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:04:11,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:04:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:11,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:04:11,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-01 23:04:11,482 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:11,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924704573] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:11,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:11,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 23:04:11,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848095669] [2024-12-01 23:04:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:11,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:04:11,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:11,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:04:11,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:04:11,503 INFO L87 Difference]: Start difference. First operand has 76 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 69 states have internal predecessors, (97), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:04:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:11,522 INFO L93 Difference]: Finished difference Result 145 states and 213 transitions. [2024-12-01 23:04:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:04:11,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-12-01 23:04:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:11,528 INFO L225 Difference]: With dead ends: 145 [2024-12-01 23:04:11,528 INFO L226 Difference]: Without dead ends: 72 [2024-12-01 23:04:11,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:04:11,532 INFO L435 NwaCegarLoop]: 100 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, 100 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 [2024-12-01 23:04:11,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:11,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-01 23:04:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-01 23:04:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-12-01 23:04:11,561 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 62 [2024-12-01 23:04:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:11,561 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-12-01 23:04:11,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:04:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-12-01 23:04:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:11,563 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:11,563 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:11,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:04:11,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-01 23:04:11,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:11,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:11,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1297553522, now seen corresponding path program 1 times [2024-12-01 23:04:11,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:11,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145061568] [2024-12-01 23:04:11,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:11,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:11,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:11,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145061568] [2024-12-01 23:04:11,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145061568] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:11,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:11,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:04:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008933854] [2024-12-01 23:04:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:11,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:04:11,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:11,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:04:11,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:04:11,936 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:04:11,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:11,976 INFO L93 Difference]: Finished difference Result 143 states and 200 transitions. [2024-12-01 23:04:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:11,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-12-01 23:04:11,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:11,977 INFO L225 Difference]: With dead ends: 143 [2024-12-01 23:04:11,977 INFO L226 Difference]: Without dead ends: 74 [2024-12-01 23:04:11,978 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 [2024-12-01 23:04:11,979 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 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 [2024-12-01 23:04:11,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:11,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-01 23:04:11,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-01 23:04:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-12-01 23:04:11,986 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 62 [2024-12-01 23:04:11,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:11,987 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-12-01 23:04:11,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:04:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-12-01 23:04:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:11,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:11,988 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:11,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:04:11,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:11,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:11,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2103927436, now seen corresponding path program 1 times [2024-12-01 23:04:11,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:11,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554641189] [2024-12-01 23:04:11,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:11,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:12,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:12,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554641189] [2024-12-01 23:04:12,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554641189] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:12,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:12,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:04:12,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857391965] [2024-12-01 23:04:12,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:12,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:04:12,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:12,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:04:12,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:04:12,136 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:12,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:12,171 INFO L93 Difference]: Finished difference Result 148 states and 205 transitions. [2024-12-01 23:04:12,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:12,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-12-01 23:04:12,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:12,172 INFO L225 Difference]: With dead ends: 148 [2024-12-01 23:04:12,172 INFO L226 Difference]: Without dead ends: 77 [2024-12-01 23:04:12,173 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 [2024-12-01 23:04:12,173 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 280 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 [2024-12-01 23:04:12,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 280 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-01 23:04:12,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-12-01 23:04:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2024-12-01 23:04:12,180 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 62 [2024-12-01 23:04:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:12,180 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2024-12-01 23:04:12,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-12-01 23:04:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:12,182 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:12,182 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:12,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:04:12,182 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:12,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:12,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1489975282, now seen corresponding path program 1 times [2024-12-01 23:04:12,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:12,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367318430] [2024-12-01 23:04:12,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-01 23:04:12,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:12,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367318430] [2024-12-01 23:04:12,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367318430] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:12,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901030899] [2024-12-01 23:04:12,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:12,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:12,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:12,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:04:12,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:04:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:12,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:04:12,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:12,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:12,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901030899] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:12,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:12,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-12-01 23:04:12,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990385320] [2024-12-01 23:04:12,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:12,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:04:12,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:12,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:04:12,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:04:12,703 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:12,732 INFO L93 Difference]: Finished difference Result 152 states and 209 transitions. [2024-12-01 23:04:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:12,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-12-01 23:04:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:12,734 INFO L225 Difference]: With dead ends: 152 [2024-12-01 23:04:12,734 INFO L226 Difference]: Without dead ends: 79 [2024-12-01 23:04:12,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:04:12,735 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 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 [2024-12-01 23:04:12,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-01 23:04:12,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-12-01 23:04:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 71 states have (on average 1.352112676056338) internal successors, (96), 71 states have internal predecessors, (96), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-12-01 23:04:12,742 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 62 [2024-12-01 23:04:12,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:12,742 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-12-01 23:04:12,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-12-01 23:04:12,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:12,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:12,743 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:12,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-01 23:04:12,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:12,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:12,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:12,945 INFO L85 PathProgramCache]: Analyzing trace with hash -809916912, now seen corresponding path program 1 times [2024-12-01 23:04:12,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:12,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429619019] [2024-12-01 23:04:12,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-01 23:04:13,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429619019] [2024-12-01 23:04:13,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429619019] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796049743] [2024-12-01 23:04:13,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:13,182 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:04:13,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 23:04:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:13,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:04:13,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:13,370 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796049743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:13,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:13,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-12-01 23:04:13,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546466576] [2024-12-01 23:04:13,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:13,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:04:13,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:13,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:04:13,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:04:13,371 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:13,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:13,392 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2024-12-01 23:04:13,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:13,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-12-01 23:04:13,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:13,393 INFO L225 Difference]: With dead ends: 156 [2024-12-01 23:04:13,393 INFO L226 Difference]: Without dead ends: 81 [2024-12-01 23:04:13,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:04:13,395 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:13,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-01 23:04:13,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2024-12-01 23:04:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 108 transitions. [2024-12-01 23:04:13,400 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 108 transitions. Word has length 62 [2024-12-01 23:04:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:13,401 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 108 transitions. [2024-12-01 23:04:13,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-12-01 23:04:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:13,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:13,402 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:13,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-01 23:04:13,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:13,603 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:13,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash -808069870, now seen corresponding path program 1 times [2024-12-01 23:04:13,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:13,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085688361] [2024-12-01 23:04:13,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:13,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-01 23:04:13,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:13,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085688361] [2024-12-01 23:04:13,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085688361] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:13,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102214727] [2024-12-01 23:04:13,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:13,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:13,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:13,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:04:13,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-01 23:04:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:13,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:04:13,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:14,358 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-12-01 23:04:14,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 26 [2024-12-01 23:04:14,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-01 23:04:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:14,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:14,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102214727] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:14,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:14,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-12-01 23:04:14,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858953387] [2024-12-01 23:04:14,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:14,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:04:14,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:14,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:04:14,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-01 23:04:14,398 INFO L87 Difference]: Start difference. First operand 80 states and 108 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:14,602 INFO L93 Difference]: Finished difference Result 234 states and 318 transitions. [2024-12-01 23:04:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:14,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-12-01 23:04:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:14,603 INFO L225 Difference]: With dead ends: 234 [2024-12-01 23:04:14,603 INFO L226 Difference]: Without dead ends: 157 [2024-12-01 23:04:14,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-12-01 23:04:14,604 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 239 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:14,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 522 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:14,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-12-01 23:04:14,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2024-12-01 23:04:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 140 states have internal predecessors, (188), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-01 23:04:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 208 transitions. [2024-12-01 23:04:14,620 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 208 transitions. Word has length 62 [2024-12-01 23:04:14,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:14,620 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 208 transitions. [2024-12-01 23:04:14,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 208 transitions. [2024-12-01 23:04:14,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-01 23:04:14,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:14,622 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:14,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-01 23:04:14,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-01 23:04:14,823 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:14,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:14,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1593708835, now seen corresponding path program 1 times [2024-12-01 23:04:14,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:14,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735897945] [2024-12-01 23:04:14,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:14,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:15,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:15,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735897945] [2024-12-01 23:04:15,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735897945] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:15,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:15,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:04:15,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005791574] [2024-12-01 23:04:15,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:15,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:04:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:15,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:04:15,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:04:15,372 INFO L87 Difference]: Start difference. First operand 153 states and 208 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:15,539 INFO L93 Difference]: Finished difference Result 330 states and 446 transitions. [2024-12-01 23:04:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:04:15,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-12-01 23:04:15,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:15,541 INFO L225 Difference]: With dead ends: 330 [2024-12-01 23:04:15,541 INFO L226 Difference]: Without dead ends: 180 [2024-12-01 23:04:15,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:04:15,542 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 138 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:15,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 331 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-12-01 23:04:15,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 179. [2024-12-01 23:04:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 161 states have (on average 1.3167701863354038) internal successors, (212), 162 states have internal predecessors, (212), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-01 23:04:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 238 transitions. [2024-12-01 23:04:15,557 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 238 transitions. Word has length 63 [2024-12-01 23:04:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:15,557 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 238 transitions. [2024-12-01 23:04:15,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2024-12-01 23:04:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-01 23:04:15,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:15,558 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:15,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 23:04:15,559 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:15,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:15,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2055758801, now seen corresponding path program 1 times [2024-12-01 23:04:15,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:15,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040509966] [2024-12-01 23:04:15,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:15,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-01 23:04:15,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040509966] [2024-12-01 23:04:15,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040509966] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441437466] [2024-12-01 23:04:15,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:15,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:15,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:15,889 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:04:15,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-01 23:04:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:16,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-01 23:04:16,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:16,825 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-12-01 23:04:16,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2024-12-01 23:04:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-01 23:04:16,930 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 23 treesize of output 11 [2024-12-01 23:04:16,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-01 23:04:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:16,982 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:16,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441437466] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:16,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:16,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-12-01 23:04:16,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671869150] [2024-12-01 23:04:16,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:16,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:04:16,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:16,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:04:16,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-12-01 23:04:16,983 INFO L87 Difference]: Start difference. First operand 179 states and 238 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:17,246 INFO L93 Difference]: Finished difference Result 424 states and 563 transitions. [2024-12-01 23:04:17,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:17,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-12-01 23:04:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:17,249 INFO L225 Difference]: With dead ends: 424 [2024-12-01 23:04:17,250 INFO L226 Difference]: Without dead ends: 262 [2024-12-01 23:04:17,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-12-01 23:04:17,251 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 311 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:17,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 413 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-12-01 23:04:17,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 258. [2024-12-01 23:04:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 233 states have (on average 1.3133047210300428) internal successors, (306), 234 states have internal predecessors, (306), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:04:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 342 transitions. [2024-12-01 23:04:17,276 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 342 transitions. Word has length 67 [2024-12-01 23:04:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:17,276 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 342 transitions. [2024-12-01 23:04:17,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 342 transitions. [2024-12-01 23:04:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-01 23:04:17,277 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:17,277 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:17,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-01 23:04:17,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:17,478 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:17,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:17,478 INFO L85 PathProgramCache]: Analyzing trace with hash 859585701, now seen corresponding path program 1 times [2024-12-01 23:04:17,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:17,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95520267] [2024-12-01 23:04:17,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:17,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:17,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:04:17,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95520267] [2024-12-01 23:04:17,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95520267] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:17,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:17,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:04:17,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499416708] [2024-12-01 23:04:17,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:17,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:04:17,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:04:17,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:04:17,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:04:17,581 INFO L87 Difference]: Start difference. First operand 258 states and 342 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:17,687 INFO L93 Difference]: Finished difference Result 677 states and 888 transitions. [2024-12-01 23:04:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:04:17,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-12-01 23:04:17,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:17,690 INFO L225 Difference]: With dead ends: 677 [2024-12-01 23:04:17,690 INFO L226 Difference]: Without dead ends: 436 [2024-12-01 23:04:17,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:04:17,691 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 69 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:17,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 329 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:17,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-12-01 23:04:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 317. [2024-12-01 23:04:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.2947368421052632) internal successors, (369), 287 states have internal predecessors, (369), 23 states have call successors, (23), 8 states have call predecessors, (23), 8 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:04:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 415 transitions. [2024-12-01 23:04:17,725 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 415 transitions. Word has length 67 [2024-12-01 23:04:17,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:17,725 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 415 transitions. [2024-12-01 23:04:17,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 415 transitions. [2024-12-01 23:04:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-01 23:04:17,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:17,726 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:17,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 23:04:17,727 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:17,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:17,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1528781773, now seen corresponding path program 1 times [2024-12-01 23:04:17,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:04:17,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197929949] [2024-12-01 23:04:17,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:17,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:04:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-01 23:04:17,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410923198] [2024-12-01 23:04:17,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:17,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:04:17,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:17,800 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:04:17,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-01 23:04:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:04:18,044 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:04:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:04:18,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-01 23:04:18,223 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-01 23:04:18,224 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:04:18,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-01 23:04:18,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-01 23:04:18,428 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:18,509 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:04:18,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:04:18 BoogieIcfgContainer [2024-12-01 23:04:18,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:04:18,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:04:18,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:04:18,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:04:18,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:10" (3/4) ... [2024-12-01 23:04:18,516 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:04:18,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:04:18,517 INFO L158 Benchmark]: Toolchain (without parser) took 8442.72ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 118.3MB in the beginning and 162.0MB in the end (delta: -43.7MB). Peak memory consumption was 227.9MB. Max. memory is 16.1GB. [2024-12-01 23:04:18,518 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:04:18,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.42ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 104.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:04:18,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.28ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 101.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:04:18,518 INFO L158 Benchmark]: Boogie Preprocessor took 56.79ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 97.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:04:18,518 INFO L158 Benchmark]: RCFGBuilder took 534.47ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 70.2MB in the end (delta: 27.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-01 23:04:18,519 INFO L158 Benchmark]: TraceAbstraction took 7538.88ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 69.5MB in the beginning and 162.0MB in the end (delta: -92.5MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. [2024-12-01 23:04:18,519 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 411.0MB. Free memory was 162.0MB in the beginning and 162.0MB in the end (delta: 35.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:04:18,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.42ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 104.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.28ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 101.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.79ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 97.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.47ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 70.2MB in the end (delta: 27.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7538.88ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 69.5MB in the beginning and 162.0MB in the end (delta: -92.5MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 411.0MB. Free memory was 162.0MB in the beginning and 162.0MB in the end (delta: 35.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 60, overapproximation of shiftLeft at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0]); [L26-L28] double double_Array_0[2] = { 9.2, 0.975 }; [L26-L28] double double_Array_0[2] = { 9.2, 0.975 }; [L26-L28] double double_Array_0[2] = { 9.2, 0.975 }; [L29] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L30] double* double_Array_0_arraydouble_Array_0arrayVar1_Pointer = &(double_Array_0[1]); [L31-L33] signed long int signed_long_int_Array_0[1] = { -16 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -16 }; [L34] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer = &(signed_long_int_Array_0[0]); [L35-L37] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L35-L37] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L35-L37] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L38] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L39] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L40-L42] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L40-L42] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L40-L42] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L40-L42] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L43] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer = &(unsigned_char_Array_0[0]); [L44] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer = &(unsigned_char_Array_0[1]); [L45] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer = &(unsigned_char_Array_0[2]); [L46] double last_1_double_Array_0_0_ = 9.2; [L47] signed long int last_1_signed_long_int_Array_0_0_ = -16; [L48] signed short int last_1_signed_short_int_Array_0_0_ = 1; [L49] unsigned char last_1_unsigned_char_Array_0_2_ = 10; VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=0, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L100] isInitial = 1 [L101] FCALL initially() [L103] CALL updateLastVariables() [L90] EXPR double_Array_0[0] [L90] last_1_double_Array_0_0_ = double_Array_0[0] [L91] EXPR signed_long_int_Array_0[0] [L91] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L92] EXPR signed_short_int_Array_0[0] [L92] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L93] EXPR unsigned_char_Array_0[2] [L93] last_1_unsigned_char_Array_0_2_ = unsigned_char_Array_0[2] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L80] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L82] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L83] double_Array_0[1] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[1] [L84] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L84] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L84] EXPR double_Array_0[1] [L84] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L84] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L84] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L84] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L84] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L85] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L86] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L86] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L87] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L87] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L87] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L104] RET updateVariables() [L105] CALL step() [L53] unsigned char stepLocal_0 = last_1_double_Array_0_0_ > last_1_double_Array_0_0_; VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, stepLocal_0=0, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L54] COND FALSE !(((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || stepLocal_0) [L57] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) = last_1_signed_short_int_Array_0_0_ VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L59] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L59] (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) = (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) [L60] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L60] EXPR 10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L60] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L60] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L60] COND TRUE (10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) [L61] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L61] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L61] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) = ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) [L63] (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) = 64 [L64] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L64] (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) = (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) [L65] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L65] COND TRUE (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16 [L66] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L66] (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) = (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) [L96] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer) [L96] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L96] EXPR ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1) [L96] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR 10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L96] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR ((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1 [L96] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L96] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L96] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L96] EXPR ((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR ((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR ((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64)) [L96] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer) [L96] EXPR ((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)))) [L96] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L96] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L96] EXPR (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR ((((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (((((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) last_1_signed_short_int_Array_0_0_))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR ((((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (((((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) last_1_signed_short_int_Array_0_0_))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (((((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96] EXPR (((((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (((((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L96-L97] return (((((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) <= 16) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : (((((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) > ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))))) && (((10 << (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) * (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))))) : 1)) && ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) == ((unsigned char) 64))) && ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (((((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={7:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={7:2}, unsigned_char_Array_0={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={8:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={8:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={8:2}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 760 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 760 mSDsluCounter, 2821 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1920 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 901 mSDtfsCounter, 379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 377 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=9, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 131 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1020 NumberOfCodeBlocks, 1020 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 870 ConstructedInterpolants, 72 QuantifiedInterpolants, 3566 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1649 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 504/560 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 [2024-12-01 23:04:18,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/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_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1 --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 6505c5086d29586e7ec0f5f77e8e039fa1bd40cb84198ddba96d37f8ed5ec1eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:04:20,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:04:20,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-01 23:04:20,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:04:20,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:04:20,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:04:20,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:04:20,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:04:20,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:04:20,610 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:04:20,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:04:20,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:04:20,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:04:20,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:04:20,610 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:04:20,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:04:20,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:04:20,612 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:04:20,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:04:20,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:04:20,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:04:20,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:04:20,614 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-01 23:04:20,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-01 23:04:20,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:04:20,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:04:20,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:04:20,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:04:20,614 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_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1 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 -> 6505c5086d29586e7ec0f5f77e8e039fa1bd40cb84198ddba96d37f8ed5ec1eb [2024-12-01 23:04:20,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:04:20,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:04:20,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:04:20,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:04:20,849 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:04:20,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i [2024-12-01 23:04:23,532 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/65b87cb00/beec891deaa3487b92b2c409930230c1/FLAGb19c5d1e8 [2024-12-01 23:04:23,724 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:04:23,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i [2024-12-01 23:04:23,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/65b87cb00/beec891deaa3487b92b2c409930230c1/FLAGb19c5d1e8 [2024-12-01 23:04:23,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/data/65b87cb00/beec891deaa3487b92b2c409930230c1 [2024-12-01 23:04:23,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:04:23,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:04:23,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:04:23,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:04:23,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:04:23,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:04:23" (1/1) ... [2024-12-01 23:04:23,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb57549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:23, skipping insertion in model container [2024-12-01 23:04:23,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:04:23" (1/1) ... [2024-12-01 23:04:23,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:04:23,894 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_bfee498d-3d52-41a1-9511-60ed98d0e08b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i[916,929] [2024-12-01 23:04:23,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:04:23,958 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:04:23,967 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_bfee498d-3d52-41a1-9511-60ed98d0e08b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-9.i[916,929] [2024-12-01 23:04:23,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:04:24,009 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:04:24,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24 WrapperNode [2024-12-01 23:04:24,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:04:24,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:04:24,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:04:24,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:04:24,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,053 INFO L138 Inliner]: procedures = 36, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 344 [2024-12-01 23:04:24,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:04:24,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:04:24,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:04:24,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:04:24,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,088 INFO L175 MemorySlicer]: Split 86 memory accesses to 6 slices as follows [2, 6, 22, 8, 17, 31]. 36 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 2, 1, 2, 3]. The 13 writes are split as follows [0, 1, 2, 1, 3, 6]. [2024-12-01 23:04:24,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:04:24,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:04:24,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:04:24,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:04:24,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (1/1) ... [2024-12-01 23:04:24,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:04:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:04:24,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:04:24,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-01 23:04:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-01 23:04:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-01 23:04:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:04:24,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:04:24,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:04:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-01 23:04:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-01 23:04:24,324 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:04:24,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:04:24,804 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-12-01 23:04:24,804 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:04:24,813 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:04:24,813 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:04:24,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:24 BoogieIcfgContainer [2024-12-01 23:04:24,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:04:24,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:04:24,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:04:24,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:04:24,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:04:23" (1/3) ... [2024-12-01 23:04:24,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3cbf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:04:24, skipping insertion in model container [2024-12-01 23:04:24,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:24" (2/3) ... [2024-12-01 23:04:24,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3cbf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:04:24, skipping insertion in model container [2024-12-01 23:04:24,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:24" (3/3) ... [2024-12-01 23:04:24,821 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-9.i [2024-12-01 23:04:24,832 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:04:24,833 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-9.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:04:24,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:04:24,881 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;@5dac8d18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:04:24,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:04:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-01 23:04:24,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:24,890 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:24,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:24,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:24,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1798091589, now seen corresponding path program 1 times [2024-12-01 23:04:24,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80816592] [2024-12-01 23:04:24,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:24,904 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 [2024-12-01 23:04:24,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:24,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:25,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:04:25,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-01 23:04:25,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:25,192 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:25,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80816592] [2024-12-01 23:04:25,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80816592] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:25,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:25,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:04:25,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570545620] [2024-12-01 23:04:25,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:25,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:04:25,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:25,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:04:25,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:04:25,219 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:25,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:25,239 INFO L93 Difference]: Finished difference Result 133 states and 197 transitions. [2024-12-01 23:04:25,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:04:25,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-12-01 23:04:25,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:25,245 INFO L225 Difference]: With dead ends: 133 [2024-12-01 23:04:25,245 INFO L226 Difference]: Without dead ends: 66 [2024-12-01 23:04:25,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:04:25,249 INFO L435 NwaCegarLoop]: 92 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, 92 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 [2024-12-01 23:04:25,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-12-01 23:04:25,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-12-01 23:04:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:25,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 92 transitions. [2024-12-01 23:04:25,283 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 92 transitions. Word has length 60 [2024-12-01 23:04:25,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:25,283 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 92 transitions. [2024-12-01 23:04:25,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2024-12-01 23:04:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-01 23:04:25,286 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:25,286 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:25,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:25,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:25,487 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:25,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:25,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1196343811, now seen corresponding path program 1 times [2024-12-01 23:04:25,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:25,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962213731] [2024-12-01 23:04:25,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:25,489 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 [2024-12-01 23:04:25,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:25,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:25,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:25,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:04:25,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-01 23:04:25,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:25,749 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:25,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962213731] [2024-12-01 23:04:25,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962213731] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:25,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:25,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:04:25,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742785485] [2024-12-01 23:04:25,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:25,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:04:25,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:25,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:04:25,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:04:25,752 INFO L87 Difference]: Start difference. First operand 66 states and 92 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:04:25,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:25,817 INFO L93 Difference]: Finished difference Result 131 states and 184 transitions. [2024-12-01 23:04:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:25,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-12-01 23:04:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:25,819 INFO L225 Difference]: With dead ends: 131 [2024-12-01 23:04:25,819 INFO L226 Difference]: Without dead ends: 68 [2024-12-01 23:04:25,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:04:25,820 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 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 [2024-12-01 23:04:25,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:25,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-01 23:04:25,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-12-01 23:04:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-12-01 23:04:25,828 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 60 [2024-12-01 23:04:25,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:25,829 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-12-01 23:04:25,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:04:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-12-01 23:04:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-01 23:04:25,831 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:25,831 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:25,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:26,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:26,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:26,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2093737089, now seen corresponding path program 1 times [2024-12-01 23:04:26,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:26,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719534511] [2024-12-01 23:04:26,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:26,033 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 [2024-12-01 23:04:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:26,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:26,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:26,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:04:26,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:26,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:26,273 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:26,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719534511] [2024-12-01 23:04:26,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719534511] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:26,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:26,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:04:26,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638168037] [2024-12-01 23:04:26,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:26,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:04:26,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:26,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:04:26,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:04:26,275 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:26,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:26,317 INFO L93 Difference]: Finished difference Result 136 states and 189 transitions. [2024-12-01 23:04:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:04:26,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-12-01 23:04:26,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:26,318 INFO L225 Difference]: With dead ends: 136 [2024-12-01 23:04:26,318 INFO L226 Difference]: Without dead ends: 71 [2024-12-01 23:04:26,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:04:26,320 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 256 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 [2024-12-01 23:04:26,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 256 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-12-01 23:04:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-12-01 23:04:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-12-01 23:04:26,327 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 60 [2024-12-01 23:04:26,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:26,327 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-12-01 23:04:26,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-12-01 23:04:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-01 23:04:26,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:26,329 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:26,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:26,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:26,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:26,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1500165629, now seen corresponding path program 1 times [2024-12-01 23:04:26,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:26,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712373824] [2024-12-01 23:04:26,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:26,531 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 [2024-12-01 23:04:26,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:26,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:26,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:26,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-01 23:04:26,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:26,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:26,837 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712373824] [2024-12-01 23:04:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712373824] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:26,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:04:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637448998] [2024-12-01 23:04:26,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:26,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:04:26,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:26,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:04:26,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:04:26,839 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:26,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:26,891 INFO L93 Difference]: Finished difference Result 140 states and 193 transitions. [2024-12-01 23:04:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:04:26,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-12-01 23:04:26,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:26,893 INFO L225 Difference]: With dead ends: 140 [2024-12-01 23:04:26,893 INFO L226 Difference]: Without dead ends: 73 [2024-12-01 23:04:26,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:04:26,894 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:26,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 333 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-01 23:04:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-12-01 23:04:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.353846153846154) internal successors, (88), 65 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 98 transitions. [2024-12-01 23:04:26,902 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 98 transitions. Word has length 60 [2024-12-01 23:04:26,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:26,903 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 98 transitions. [2024-12-01 23:04:26,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2024-12-01 23:04:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-01 23:04:26,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:26,904 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:26,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:27,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:27,105 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:27,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:27,105 INFO L85 PathProgramCache]: Analyzing trace with hash -820107259, now seen corresponding path program 1 times [2024-12-01 23:04:27,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:27,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638779497] [2024-12-01 23:04:27,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:27,106 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 [2024-12-01 23:04:27,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:27,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:27,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:27,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-01 23:04:27,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:27,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:27,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:27,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638779497] [2024-12-01 23:04:27,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638779497] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:27,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:27,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 23:04:27,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001519220] [2024-12-01 23:04:27,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:27,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:04:27,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:27,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:04:27,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:04:27,381 INFO L87 Difference]: Start difference. First operand 72 states and 98 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:27,451 INFO L93 Difference]: Finished difference Result 146 states and 200 transitions. [2024-12-01 23:04:27,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:04:27,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-12-01 23:04:27,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:27,453 INFO L225 Difference]: With dead ends: 146 [2024-12-01 23:04:27,453 INFO L226 Difference]: Without dead ends: 77 [2024-12-01 23:04:27,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:04:27,454 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:27,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-01 23:04:27,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-12-01 23:04:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-01 23:04:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2024-12-01 23:04:27,459 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 60 [2024-12-01 23:04:27,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:27,459 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2024-12-01 23:04:27,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2024-12-01 23:04:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-01 23:04:27,460 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:27,460 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:27,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:27,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:27,661 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:27,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:27,661 INFO L85 PathProgramCache]: Analyzing trace with hash -818260217, now seen corresponding path program 1 times [2024-12-01 23:04:27,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:27,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398921718] [2024-12-01 23:04:27,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:27,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:27,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:27,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-01 23:04:27,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:28,731 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 [2024-12-01 23:04:29,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-01 23:04:29,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-01 23:04:29,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:04:29,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2024-12-01 23:04:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-01 23:04:29,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:29,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398921718] [2024-12-01 23:04:29,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398921718] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:29,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:29,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-01 23:04:29,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775031355] [2024-12-01 23:04:29,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:29,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:04:29,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:29,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:04:29,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-01 23:04:29,275 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:29,426 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2024-12-01 23:04:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:04:29,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-12-01 23:04:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:29,428 INFO L225 Difference]: With dead ends: 170 [2024-12-01 23:04:29,428 INFO L226 Difference]: Without dead ends: 97 [2024-12-01 23:04:29,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-01 23:04:29,429 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 64 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:29,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 337 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:04:29,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-01 23:04:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2024-12-01 23:04:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 85 states have (on average 1.3058823529411765) internal successors, (111), 86 states have internal predecessors, (111), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-01 23:04:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2024-12-01 23:04:29,437 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 60 [2024-12-01 23:04:29,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:29,437 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2024-12-01 23:04:29,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2024-12-01 23:04:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:29,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:29,439 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:29,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:29,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:29,639 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:29,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:29,639 INFO L85 PathProgramCache]: Analyzing trace with hash -641616418, now seen corresponding path program 1 times [2024-12-01 23:04:29,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:29,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805452113] [2024-12-01 23:04:29,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:29,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:29,641 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:29,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-01 23:04:29,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:30,311 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 19 treesize of output 8 [2024-12-01 23:04:31,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 96 [2024-12-01 23:04:31,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:04:31,844 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 315 treesize of output 135 [2024-12-01 23:04:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-01 23:04:31,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:32,568 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:32,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805452113] [2024-12-01 23:04:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805452113] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:32,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2134646432] [2024-12-01 23:04:32,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:04:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:04:32,570 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:04:32,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-01 23:04:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:33,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-01 23:04:33,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:33,904 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 [2024-12-01 23:04:35,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 100 [2024-12-01 23:04:35,785 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 0 case distinctions, treesize of input 296 treesize of output 148 [2024-12-01 23:04:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-01 23:04:35,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:36,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2134646432] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:36,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:04:36,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-12-01 23:04:36,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679558532] [2024-12-01 23:04:36,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:04:36,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-01 23:04:36,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:36,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-01 23:04:36,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:04:36,157 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-01 23:04:37,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:37,963 INFO L93 Difference]: Finished difference Result 252 states and 330 transitions. [2024-12-01 23:04:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 23:04:37,964 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 62 [2024-12-01 23:04:37,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:37,966 INFO L225 Difference]: With dead ends: 252 [2024-12-01 23:04:37,966 INFO L226 Difference]: Without dead ends: 173 [2024-12-01 23:04:37,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-12-01 23:04:37,968 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 296 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:37,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 590 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-01 23:04:37,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-12-01 23:04:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-12-01 23:04:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 150 states have (on average 1.3) internal successors, (195), 153 states have internal predecessors, (195), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-01 23:04:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 223 transitions. [2024-12-01 23:04:37,990 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 223 transitions. Word has length 62 [2024-12-01 23:04:37,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:37,990 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 223 transitions. [2024-12-01 23:04:37,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-01 23:04:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 223 transitions. [2024-12-01 23:04:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:37,991 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:37,991 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:37,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:38,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-01 23:04:38,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-01 23:04:38,392 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:38,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash 38441952, now seen corresponding path program 1 times [2024-12-01 23:04:38,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:38,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312339547] [2024-12-01 23:04:38,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:38,393 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 [2024-12-01 23:04:38,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:38,394 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:38,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:38,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-01 23:04:38,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:38,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-01 23:04:38,898 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 24 treesize of output 12 [2024-12-01 23:04:38,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-01 23:04:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:38,953 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:38,953 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:38,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312339547] [2024-12-01 23:04:38,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312339547] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:38,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:38,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:04:38,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054616652] [2024-12-01 23:04:38,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:38,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:04:38,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:38,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:04:38,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:04:38,954 INFO L87 Difference]: Start difference. First operand 170 states and 223 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:39,169 INFO L93 Difference]: Finished difference Result 324 states and 423 transitions. [2024-12-01 23:04:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:04:39,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-12-01 23:04:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:39,171 INFO L225 Difference]: With dead ends: 324 [2024-12-01 23:04:39,171 INFO L226 Difference]: Without dead ends: 172 [2024-12-01 23:04:39,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:04:39,172 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 187 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:39,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 304 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:04:39,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-12-01 23:04:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2024-12-01 23:04:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 153 states have internal predecessors, (193), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-01 23:04:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 221 transitions. [2024-12-01 23:04:39,189 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 221 transitions. Word has length 62 [2024-12-01 23:04:39,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:39,189 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 221 transitions. [2024-12-01 23:04:39,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2024-12-01 23:04:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:39,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:39,190 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:39,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:39,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:39,394 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:39,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:39,395 INFO L85 PathProgramCache]: Analyzing trace with hash 739506530, now seen corresponding path program 1 times [2024-12-01 23:04:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:39,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386592684] [2024-12-01 23:04:39,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:39,395 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 [2024-12-01 23:04:39,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:39,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:39,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-01 23:04:39,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:40,112 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 14 [2024-12-01 23:04:40,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:04:40,178 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 49 treesize of output 40 [2024-12-01 23:04:40,331 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 89 treesize of output 73 [2024-12-01 23:04:40,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:04:40,336 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 85 treesize of output 61 [2024-12-01 23:04:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:04:40,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:40,375 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:40,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386592684] [2024-12-01 23:04:40,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386592684] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:40,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:40,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-01 23:04:40,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516366008] [2024-12-01 23:04:40,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:40,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-01 23:04:40,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:40,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-01 23:04:40,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-01 23:04:40,376 INFO L87 Difference]: Start difference. First operand 170 states and 221 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:41,391 INFO L93 Difference]: Finished difference Result 666 states and 859 transitions. [2024-12-01 23:04:41,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-01 23:04:41,392 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-12-01 23:04:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:41,395 INFO L225 Difference]: With dead ends: 666 [2024-12-01 23:04:41,395 INFO L226 Difference]: Without dead ends: 514 [2024-12-01 23:04:41,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-12-01 23:04:41,395 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 402 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:41,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 819 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-01 23:04:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-12-01 23:04:41,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 490. [2024-12-01 23:04:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 434 states have (on average 1.2695852534562213) internal successors, (551), 439 states have internal predecessors, (551), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:04:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 627 transitions. [2024-12-01 23:04:41,456 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 627 transitions. Word has length 62 [2024-12-01 23:04:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:41,456 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 627 transitions. [2024-12-01 23:04:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:04:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 627 transitions. [2024-12-01 23:04:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:04:41,457 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:41,457 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:41,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:41,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:41,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:41,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:41,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1162208356, now seen corresponding path program 1 times [2024-12-01 23:04:41,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:41,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145311297] [2024-12-01 23:04:41,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:41,659 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 [2024-12-01 23:04:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:41,660 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:04:41,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:04:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:41,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-01 23:04:41,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:42,623 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 [2024-12-01 23:04:42,947 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-12-01 23:04:42,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-12-01 23:04:42,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:04:43,292 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 37 treesize of output 36 [2024-12-01 23:04:43,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:04:43,422 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 48 treesize of output 39 [2024-12-01 23:04:43,689 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 45 treesize of output 33 [2024-12-01 23:04:43,699 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-01 23:04:43,699 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 56 treesize of output 36 [2024-12-01 23:04:43,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:04:43,706 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 36 treesize of output 24 [2024-12-01 23:04:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-01 23:04:43,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:50,107 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:50,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145311297] [2024-12-01 23:04:50,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145311297] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:50,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [396744329] [2024-12-01 23:04:50,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:50,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:04:50,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:04:50,109 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:04:50,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-01 23:04:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:50,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-01 23:04:50,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:52,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-01 23:04:53,163 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-12-01 23:04:53,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-12-01 23:04:53,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:04:54,104 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 45 treesize of output 40 [2024-12-01 23:04:54,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-01 23:04:55,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-01 23:04:55,072 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-01 23:04:55,072 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 56 treesize of output 32 [2024-12-01 23:04:55,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-01 23:04:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-01 23:04:55,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:59,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [396744329] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:59,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:04:59,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-12-01 23:04:59,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487142219] [2024-12-01 23:04:59,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:04:59,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-01 23:04:59,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:59,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-01 23:04:59,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=539, Unknown=1, NotChecked=0, Total=650 [2024-12-01 23:04:59,668 INFO L87 Difference]: Start difference. First operand 490 states and 627 transitions. Second operand has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 18 states have internal predecessors, (72), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-01 23:05:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:03,689 INFO L93 Difference]: Finished difference Result 946 states and 1210 transitions. [2024-12-01 23:05:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:05:03,690 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 18 states have internal predecessors, (72), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 62 [2024-12-01 23:05:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:03,693 INFO L225 Difference]: With dead ends: 946 [2024-12-01 23:05:03,693 INFO L226 Difference]: Without dead ends: 490 [2024-12-01 23:05:03,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 148 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=208, Invalid=721, Unknown=1, NotChecked=0, Total=930 [2024-12-01 23:05:03,694 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 733 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:03,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 870 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-01 23:05:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-12-01 23:05:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 484. [2024-12-01 23:05:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 428 states have (on average 1.264018691588785) internal successors, (541), 433 states have internal predecessors, (541), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 617 transitions. [2024-12-01 23:05:03,761 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 617 transitions. Word has length 62 [2024-12-01 23:05:03,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:03,761 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 617 transitions. [2024-12-01 23:05:03,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 18 states have internal predecessors, (72), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-01 23:05:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 617 transitions. [2024-12-01 23:05:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:03,763 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:03,763 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:03,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-01 23:05:03,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-01 23:05:04,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-01 23:05:04,164 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:04,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:04,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1486813350, now seen corresponding path program 1 times [2024-12-01 23:05:04,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:04,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552094934] [2024-12-01 23:05:04,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:04,165 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 [2024-12-01 23:05:04,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:04,166 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:04,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:04,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-01 23:05:04,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:04,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:05:04,657 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 175 treesize of output 67 [2024-12-01 23:05:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-01 23:05:04,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:05:05,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:05:05,034 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 113 treesize of output 1 [2024-12-01 23:05:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-01 23:05:05,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:05,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552094934] [2024-12-01 23:05:05,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552094934] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:05:05,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:05:05,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-01 23:05:05,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593308451] [2024-12-01 23:05:05,049 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:05:05,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 23:05:05,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:05,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 23:05:05,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-01 23:05:05,051 INFO L87 Difference]: Start difference. First operand 484 states and 617 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-01 23:05:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:06,126 INFO L93 Difference]: Finished difference Result 1006 states and 1272 transitions. [2024-12-01 23:05:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-01 23:05:06,128 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 64 [2024-12-01 23:05:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:06,130 INFO L225 Difference]: With dead ends: 1006 [2024-12-01 23:05:06,130 INFO L226 Difference]: Without dead ends: 504 [2024-12-01 23:05:06,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-01 23:05:06,132 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 82 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:06,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 641 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-01 23:05:06,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-12-01 23:05:06,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 476. [2024-12-01 23:05:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 420 states have (on average 1.25) internal successors, (525), 425 states have internal predecessors, (525), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 601 transitions. [2024-12-01 23:05:06,198 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 601 transitions. Word has length 64 [2024-12-01 23:05:06,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:06,198 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 601 transitions. [2024-12-01 23:05:06,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-01 23:05:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 601 transitions. [2024-12-01 23:05:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:06,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:06,200 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:06,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-01 23:05:06,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:06,400 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:06,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash -734205554, now seen corresponding path program 1 times [2024-12-01 23:05:06,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:06,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878804665] [2024-12-01 23:05:06,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:06,401 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 [2024-12-01 23:05:06,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:06,402 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:06,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:06,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-01 23:05:06,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:07,201 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-01 23:05:07,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-12-01 23:05:07,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:05:07,380 INFO L349 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2024-12-01 23:05:07,381 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 3 case distinctions, treesize of input 60 treesize of output 58 [2024-12-01 23:05:08,141 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 66 treesize of output 50 [2024-12-01 23:05:08,159 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-01 23:05:08,159 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 62 treesize of output 50 [2024-12-01 23:05:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:08,313 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:08,313 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878804665] [2024-12-01 23:05:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878804665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:08,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:08,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-01 23:05:08,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139682653] [2024-12-01 23:05:08,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:08,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-01 23:05:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:08,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-01 23:05:08,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-12-01 23:05:08,314 INFO L87 Difference]: Start difference. First operand 476 states and 601 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:11,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:11,605 INFO L93 Difference]: Finished difference Result 748 states and 937 transitions. [2024-12-01 23:05:11,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-01 23:05:11,606 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-12-01 23:05:11,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:11,608 INFO L225 Difference]: With dead ends: 748 [2024-12-01 23:05:11,608 INFO L226 Difference]: Without dead ends: 746 [2024-12-01 23:05:11,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-12-01 23:05:11,609 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 437 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:11,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1510 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-01 23:05:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-12-01 23:05:11,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 552. [2024-12-01 23:05:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 496 states have (on average 1.2661290322580645) internal successors, (628), 501 states have internal predecessors, (628), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 704 transitions. [2024-12-01 23:05:11,699 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 704 transitions. Word has length 64 [2024-12-01 23:05:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:11,699 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 704 transitions. [2024-12-01 23:05:11,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 704 transitions. [2024-12-01 23:05:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:11,701 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:11,701 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:11,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:11,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:11,901 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:11,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:11,901 INFO L85 PathProgramCache]: Analyzing trace with hash -732358512, now seen corresponding path program 1 times [2024-12-01 23:05:11,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:11,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097607623] [2024-12-01 23:05:11,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:11,902 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 [2024-12-01 23:05:11,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:11,903 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:11,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:12,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-01 23:05:12,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:12,663 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-12-01 23:05:12,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2024-12-01 23:05:12,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:05:12,859 INFO L349 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2024-12-01 23:05:12,860 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 3 case distinctions, treesize of input 63 treesize of output 61 [2024-12-01 23:05:13,159 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 85 treesize of output 69 [2024-12-01 23:05:13,583 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-01 23:05:13,583 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 61 treesize of output 49 [2024-12-01 23:05:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:13,738 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:13,738 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:13,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097607623] [2024-12-01 23:05:13,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097607623] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:13,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:13,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-01 23:05:13,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671221192] [2024-12-01 23:05:13,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:13,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-01 23:05:13,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:13,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-01 23:05:13,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-01 23:05:13,740 INFO L87 Difference]: Start difference. First operand 552 states and 704 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:16,592 INFO L93 Difference]: Finished difference Result 1170 states and 1485 transitions. [2024-12-01 23:05:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-01 23:05:16,593 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-12-01 23:05:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:16,595 INFO L225 Difference]: With dead ends: 1170 [2024-12-01 23:05:16,595 INFO L226 Difference]: Without dead ends: 650 [2024-12-01 23:05:16,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2024-12-01 23:05:16,596 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 362 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:16,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 1273 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 580 Invalid, 1 Unknown, 0 Unchecked, 1.8s Time] [2024-12-01 23:05:16,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-12-01 23:05:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 564. [2024-12-01 23:05:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 508 states have (on average 1.2598425196850394) internal successors, (640), 513 states have internal predecessors, (640), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 716 transitions. [2024-12-01 23:05:16,673 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 716 transitions. Word has length 64 [2024-12-01 23:05:16,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:16,673 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 716 transitions. [2024-12-01 23:05:16,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 716 transitions. [2024-12-01 23:05:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:16,674 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:16,674 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:16,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:16,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:16,875 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:16,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1755273908, now seen corresponding path program 1 times [2024-12-01 23:05:16,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:16,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468443772] [2024-12-01 23:05:16,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:16,876 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 [2024-12-01 23:05:16,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:16,877 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:16,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:17,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-01 23:05:17,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:17,467 INFO L349 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2024-12-01 23:05:17,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2024-12-01 23:05:17,510 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-01 23:05:17,510 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 26 [2024-12-01 23:05:17,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-01 23:05:17,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2024-12-01 23:05:17,869 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 48 treesize of output 36 [2024-12-01 23:05:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:17,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:17,969 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:17,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468443772] [2024-12-01 23:05:17,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468443772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:17,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:17,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 23:05:17,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068130772] [2024-12-01 23:05:17,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:17,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 23:05:17,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:17,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 23:05:17,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-01 23:05:17,971 INFO L87 Difference]: Start difference. First operand 564 states and 716 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:19,937 INFO L93 Difference]: Finished difference Result 660 states and 828 transitions. [2024-12-01 23:05:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-01 23:05:19,938 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-12-01 23:05:19,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:19,940 INFO L225 Difference]: With dead ends: 660 [2024-12-01 23:05:19,940 INFO L226 Difference]: Without dead ends: 658 [2024-12-01 23:05:19,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2024-12-01 23:05:19,941 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 295 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:19,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1041 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-01 23:05:19,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-12-01 23:05:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 580. [2024-12-01 23:05:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 524 states have (on average 1.2576335877862594) internal successors, (659), 529 states have internal predecessors, (659), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 735 transitions. [2024-12-01 23:05:20,051 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 735 transitions. Word has length 64 [2024-12-01 23:05:20,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:20,051 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 735 transitions. [2024-12-01 23:05:20,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 735 transitions. [2024-12-01 23:05:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:20,052 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:20,052 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:20,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:20,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:20,253 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:20,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:20,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1753426866, now seen corresponding path program 1 times [2024-12-01 23:05:20,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:20,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835465732] [2024-12-01 23:05:20,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:20,254 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 [2024-12-01 23:05:20,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:20,255 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:20,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:20,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-01 23:05:20,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:21,512 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 29 treesize of output 17 [2024-12-01 23:05:21,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-12-01 23:05:21,573 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 38 treesize of output 29 [2024-12-01 23:05:21,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:05:21,889 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 57 treesize of output 41 [2024-12-01 23:05:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:21,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:21,963 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:21,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835465732] [2024-12-01 23:05:21,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835465732] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:21,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:21,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 23:05:21,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345603756] [2024-12-01 23:05:21,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:21,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 23:05:21,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:21,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 23:05:21,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:05:21,964 INFO L87 Difference]: Start difference. First operand 580 states and 735 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:22,762 INFO L93 Difference]: Finished difference Result 898 states and 1139 transitions. [2024-12-01 23:05:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:05:22,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-12-01 23:05:22,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:22,764 INFO L225 Difference]: With dead ends: 898 [2024-12-01 23:05:22,764 INFO L226 Difference]: Without dead ends: 598 [2024-12-01 23:05:22,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-01 23:05:22,765 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 205 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:22,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 488 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:05:22,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-12-01 23:05:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 586. [2024-12-01 23:05:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 530 states have (on average 1.2547169811320755) internal successors, (665), 535 states have internal predecessors, (665), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 741 transitions. [2024-12-01 23:05:22,869 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 741 transitions. Word has length 64 [2024-12-01 23:05:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:22,869 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 741 transitions. [2024-12-01 23:05:22,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 741 transitions. [2024-12-01 23:05:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:22,870 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:22,870 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:22,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:23,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:23,071 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:23,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1326417457, now seen corresponding path program 1 times [2024-12-01 23:05:23,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:23,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389610614] [2024-12-01 23:05:23,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:23,072 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 [2024-12-01 23:05:23,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:23,073 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:23,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-01 23:05:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:23,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-01 23:05:23,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:23,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-01 23:05:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:23,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:23,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:23,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389610614] [2024-12-01 23:05:23,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [389610614] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:23,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:23,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:05:23,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233170265] [2024-12-01 23:05:23,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:23,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:05:23,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:23,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:05:23,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:05:23,765 INFO L87 Difference]: Start difference. First operand 586 states and 741 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:24,210 INFO L93 Difference]: Finished difference Result 1538 states and 1919 transitions. [2024-12-01 23:05:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:05:24,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-12-01 23:05:24,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:24,213 INFO L225 Difference]: With dead ends: 1538 [2024-12-01 23:05:24,213 INFO L226 Difference]: Without dead ends: 984 [2024-12-01 23:05:24,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:05:24,215 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 63 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:24,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 289 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:05:24,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-12-01 23:05:24,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 602. [2024-12-01 23:05:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 546 states have (on average 1.2472527472527473) internal successors, (681), 551 states have internal predecessors, (681), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 757 transitions. [2024-12-01 23:05:24,332 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 757 transitions. Word has length 64 [2024-12-01 23:05:24,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:24,333 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 757 transitions. [2024-12-01 23:05:24,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 757 transitions. [2024-12-01 23:05:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:24,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:24,334 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:24,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-01 23:05:24,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:24,535 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:24,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:24,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1989253635, now seen corresponding path program 1 times [2024-12-01 23:05:24,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:24,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654279399] [2024-12-01 23:05:24,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:24,535 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 [2024-12-01 23:05:24,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:24,537 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:24,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:24,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-01 23:05:24,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:24,762 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 [2024-12-01 23:05:24,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-01 23:05:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:25,086 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:25,087 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:25,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654279399] [2024-12-01 23:05:25,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654279399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:25,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:25,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:05:25,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401470935] [2024-12-01 23:05:25,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:25,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:05:25,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:25,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:05:25,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:05:25,088 INFO L87 Difference]: Start difference. First operand 602 states and 757 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:25,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:25,481 INFO L93 Difference]: Finished difference Result 1392 states and 1749 transitions. [2024-12-01 23:05:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:05:25,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-12-01 23:05:25,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:25,483 INFO L225 Difference]: With dead ends: 1392 [2024-12-01 23:05:25,483 INFO L226 Difference]: Without dead ends: 822 [2024-12-01 23:05:25,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:05:25,484 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 75 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:25,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 286 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:05:25,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-12-01 23:05:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 728. [2024-12-01 23:05:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 672 states have (on average 1.2633928571428572) internal successors, (849), 675 states have internal predecessors, (849), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-01 23:05:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 925 transitions. [2024-12-01 23:05:25,551 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 925 transitions. Word has length 64 [2024-12-01 23:05:25,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:25,551 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 925 transitions. [2024-12-01 23:05:25,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 925 transitions. [2024-12-01 23:05:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:05:25,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:25,552 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:25,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:25,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:25,752 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:25,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1839901732, now seen corresponding path program 1 times [2024-12-01 23:05:25,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:25,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757769235] [2024-12-01 23:05:25,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:25,753 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 [2024-12-01 23:05:25,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:25,754 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:25,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:26,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-01 23:05:26,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:26,552 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 [2024-12-01 23:05:32,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 98 [2024-12-01 23:05:33,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:05:33,428 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 294 treesize of output 146 [2024-12-01 23:05:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-01 23:05:33,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:05:34,625 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:34,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757769235] [2024-12-01 23:05:34,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757769235] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:05:34,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1820135034] [2024-12-01 23:05:34,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:34,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:05:34,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:05:34,626 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:05:34,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-01 23:05:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:35,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-01 23:05:35,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:40,259 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 [2024-12-01 23:05:50,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 98 [2024-12-01 23:05:51,211 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 0 case distinctions, treesize of input 190 treesize of output 78 [2024-12-01 23:05:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-01 23:05:51,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:05:52,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1820135034] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:05:52,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:05:52,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-12-01 23:05:52,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395031604] [2024-12-01 23:05:52,071 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:05:52,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-01 23:05:52,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:52,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-01 23:05:52,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=542, Unknown=3, NotChecked=0, Total=650 [2024-12-01 23:05:52,072 INFO L87 Difference]: Start difference. First operand 728 states and 925 transitions. Second operand has 24 states, 22 states have (on average 4.0) internal successors, (88), 21 states have internal predecessors, (88), 6 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-12-01 23:05:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:56,798 INFO L93 Difference]: Finished difference Result 1333 states and 1673 transitions. [2024-12-01 23:05:56,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-01 23:05:56,798 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 4.0) internal successors, (88), 21 states have internal predecessors, (88), 6 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) Word has length 64 [2024-12-01 23:05:56,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:56,801 INFO L225 Difference]: With dead ends: 1333 [2024-12-01 23:05:56,801 INFO L226 Difference]: Without dead ends: 763 [2024-12-01 23:05:56,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 152 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=365, Invalid=1354, Unknown=3, NotChecked=0, Total=1722 [2024-12-01 23:05:56,802 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 398 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:56,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1000 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-01 23:05:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-12-01 23:05:56,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 400. [2024-12-01 23:05:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 364 states have (on average 1.239010989010989) internal successors, (451), 365 states have internal predecessors, (451), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:05:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 497 transitions. [2024-12-01 23:05:56,868 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 497 transitions. Word has length 64 [2024-12-01 23:05:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:56,868 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 497 transitions. [2024-12-01 23:05:56,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 4.0) internal successors, (88), 21 states have internal predecessors, (88), 6 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-12-01 23:05:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 497 transitions. [2024-12-01 23:05:56,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-01 23:05:56,869 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:56,869 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:56,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:57,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-01 23:05:57,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-01 23:05:57,269 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:57,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1407798200, now seen corresponding path program 1 times [2024-12-01 23:05:57,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:57,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737358210] [2024-12-01 23:05:57,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:57,270 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 [2024-12-01 23:05:57,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:57,271 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:57,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:57,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:05:57,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:57,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:05:57,507 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 91 treesize of output 31 [2024-12-01 23:05:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:57,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:57,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737358210] [2024-12-01 23:05:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737358210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:57,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:57,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:05:57,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172133374] [2024-12-01 23:05:57,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:57,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:05:57,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:57,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:05:57,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:05:57,537 INFO L87 Difference]: Start difference. First operand 400 states and 497 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:57,658 INFO L93 Difference]: Finished difference Result 749 states and 932 transitions. [2024-12-01 23:05:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:05:57,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-12-01 23:05:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:57,660 INFO L225 Difference]: With dead ends: 749 [2024-12-01 23:05:57,660 INFO L226 Difference]: Without dead ends: 400 [2024-12-01 23:05:57,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:05:57,660 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:57,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:05:57,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-12-01 23:05:57,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-12-01 23:05:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 364 states have (on average 1.2225274725274726) internal successors, (445), 365 states have internal predecessors, (445), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:05:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 491 transitions. [2024-12-01 23:05:57,729 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 491 transitions. Word has length 67 [2024-12-01 23:05:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:57,729 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 491 transitions. [2024-12-01 23:05:57,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 491 transitions. [2024-12-01 23:05:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-01 23:05:57,730 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:57,730 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:57,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-12-01 23:05:57,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:57,930 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:57,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:57,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1081730762, now seen corresponding path program 1 times [2024-12-01 23:05:57,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:57,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443346188] [2024-12-01 23:05:57,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:57,931 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 [2024-12-01 23:05:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:57,933 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:57,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:58,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:05:58,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:58,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:05:58,250 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 91 treesize of output 31 [2024-12-01 23:05:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:05:58,281 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:05:58,281 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:05:58,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443346188] [2024-12-01 23:05:58,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443346188] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:05:58,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:05:58,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:05:58,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520262716] [2024-12-01 23:05:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:05:58,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:05:58,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:05:58,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:05:58,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:05:58,282 INFO L87 Difference]: Start difference. First operand 400 states and 491 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:05:58,394 INFO L93 Difference]: Finished difference Result 733 states and 898 transitions. [2024-12-01 23:05:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:05:58,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-12-01 23:05:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:05:58,396 INFO L225 Difference]: With dead ends: 733 [2024-12-01 23:05:58,396 INFO L226 Difference]: Without dead ends: 400 [2024-12-01 23:05:58,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:05:58,397 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:05:58,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:05:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-12-01 23:05:58,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-12-01 23:05:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 364 states have (on average 1.206043956043956) internal successors, (439), 365 states have internal predecessors, (439), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:05:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 485 transitions. [2024-12-01 23:05:58,489 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 485 transitions. Word has length 67 [2024-12-01 23:05:58,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:05:58,489 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 485 transitions. [2024-12-01 23:05:58,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:05:58,489 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 485 transitions. [2024-12-01 23:05:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-01 23:05:58,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:05:58,490 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:05:58,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:58,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:58,690 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:05:58,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:05:58,691 INFO L85 PathProgramCache]: Analyzing trace with hash -912413944, now seen corresponding path program 1 times [2024-12-01 23:05:58,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:05:58,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561688329] [2024-12-01 23:05:58,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:05:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:05:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:05:58,693 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:05:58,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:05:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:05:58,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-01 23:05:58,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:59,919 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 14 [2024-12-01 23:05:59,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-12-01 23:05:59,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2024-12-01 23:06:00,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:06:00,041 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 35 treesize of output 23 [2024-12-01 23:06:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:06:00,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:06:00,065 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:06:00,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561688329] [2024-12-01 23:06:00,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561688329] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:06:00,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:06:00,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:06:00,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780097386] [2024-12-01 23:06:00,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:06:00,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:06:00,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:06:00,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:06:00,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:06:00,066 INFO L87 Difference]: Start difference. First operand 400 states and 485 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:06:00,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:06:00,529 INFO L93 Difference]: Finished difference Result 669 states and 800 transitions. [2024-12-01 23:06:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:06:00,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-12-01 23:06:00,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:06:00,531 INFO L225 Difference]: With dead ends: 669 [2024-12-01 23:06:00,531 INFO L226 Difference]: Without dead ends: 318 [2024-12-01 23:06:00,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:06:00,532 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 183 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:06:00,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 286 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:06:00,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-12-01 23:06:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 314. [2024-12-01 23:06:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 278 states have (on average 1.143884892086331) internal successors, (318), 279 states have internal predecessors, (318), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:06:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 364 transitions. [2024-12-01 23:06:00,584 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 364 transitions. Word has length 67 [2024-12-01 23:06:00,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:06:00,585 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 364 transitions. [2024-12-01 23:06:00,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:06:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 364 transitions. [2024-12-01 23:06:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-01 23:06:00,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:06:00,585 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:06:00,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-01 23:06:00,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:06:00,786 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:06:00,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:06:00,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1001308360, now seen corresponding path program 1 times [2024-12-01 23:06:00,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:06:00,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852293985] [2024-12-01 23:06:00,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:06:00,787 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 [2024-12-01 23:06:00,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:06:00,788 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:06:00,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:06:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:06:01,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-01 23:06:01,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:06:01,976 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 14 [2024-12-01 23:06:01,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:06:02,100 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2024-12-01 23:06:02,101 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 42 [2024-12-01 23:06:04,486 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-12-01 23:06:04,487 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 2 case distinctions, treesize of input 44 treesize of output 35 [2024-12-01 23:06:04,573 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 46 treesize of output 34 [2024-12-01 23:06:04,674 INFO L349 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2024-12-01 23:06:04,675 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 2 case distinctions, treesize of input 54 treesize of output 45 [2024-12-01 23:06:05,318 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 62 treesize of output 46 [2024-12-01 23:06:05,334 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-01 23:06:05,335 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 56 treesize of output 44 [2024-12-01 23:06:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 139 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-01 23:06:05,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:06:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-01 23:06:06,594 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:06:06,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852293985] [2024-12-01 23:06:06,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852293985] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-01 23:06:06,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:06:06,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [18] total 27 [2024-12-01 23:06:06,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815840727] [2024-12-01 23:06:06,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:06:06,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 23:06:06,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:06:06,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 23:06:06,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2024-12-01 23:06:06,595 INFO L87 Difference]: Start difference. First operand 314 states and 364 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:06:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:06:08,529 INFO L93 Difference]: Finished difference Result 481 states and 558 transitions. [2024-12-01 23:06:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 23:06:08,530 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-12-01 23:06:08,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:06:08,532 INFO L225 Difference]: With dead ends: 481 [2024-12-01 23:06:08,532 INFO L226 Difference]: Without dead ends: 479 [2024-12-01 23:06:08,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 222 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=215, Invalid=841, Unknown=0, NotChecked=0, Total=1056 [2024-12-01 23:06:08,534 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 251 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:06:08,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 736 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-01 23:06:08,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-12-01 23:06:08,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 358. [2024-12-01 23:06:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 322 states have (on average 1.1614906832298137) internal successors, (374), 323 states have internal predecessors, (374), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:06:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 420 transitions. [2024-12-01 23:06:08,596 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 420 transitions. Word has length 125 [2024-12-01 23:06:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:06:08,596 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 420 transitions. [2024-12-01 23:06:08,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:06:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 420 transitions. [2024-12-01 23:06:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-01 23:06:08,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:06:08,598 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:06:08,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:06:08,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:06:08,798 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:06:08,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:06:08,798 INFO L85 PathProgramCache]: Analyzing trace with hash -19759994, now seen corresponding path program 1 times [2024-12-01 23:06:08,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:06:08,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100210713] [2024-12-01 23:06:08,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:06:08,799 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 [2024-12-01 23:06:08,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:06:08,800 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:06:08,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:06:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:06:09,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-01 23:06:09,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:06:10,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-01 23:06:10,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:06:10,177 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2024-12-01 23:06:10,177 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 42 [2024-12-01 23:06:12,102 INFO L349 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2024-12-01 23:06:12,102 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 2 case distinctions, treesize of input 47 treesize of output 38 [2024-12-01 23:06:12,194 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-01 23:06:12,194 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 52 treesize of output 40 [2024-12-01 23:06:12,202 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 17 [2024-12-01 23:06:12,695 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 44 treesize of output 32 [2024-12-01 23:06:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-01 23:06:12,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:06:13,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-01 23:06:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-01 23:06:13,943 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:06:13,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100210713] [2024-12-01 23:06:13,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100210713] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-01 23:06:13,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:06:13,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 25 [2024-12-01 23:06:13,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559343380] [2024-12-01 23:06:13,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:06:13,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-01 23:06:13,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:06:13,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-01 23:06:13,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2024-12-01 23:06:13,944 INFO L87 Difference]: Start difference. First operand 358 states and 420 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:06:17,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:06:21,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:06:25,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:06:29,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:06:49,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:06:53,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:06:57,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:01,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:05,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:09,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:13,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:17,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:21,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:25,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:29,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:33,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:37,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:41,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:46,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:50,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:54,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:07:58,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:02,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:06,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:10,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:14,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:18,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:22,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:26,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:30,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:34,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:38,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:42,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:46,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:50,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:54,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:08:58,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:09:10,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:09:35,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:09:39,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:10:13,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:10:17,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:10:21,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:02,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:06,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:10,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:14,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:18,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:22,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:26,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:30,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:34,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:55,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:11:59,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:03,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:07,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:11,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:15,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:20,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:24,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:28,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:32,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:36,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:40,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:44,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:48,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:52,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:12:56,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:00,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:04,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:08,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:12,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:16,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:20,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:24,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:28,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:32,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:36,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:40,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:44,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:48,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:52,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:13:56,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:00,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:04,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:08,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:12,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:16,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:20,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:24,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:28,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:32,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:36,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:40,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:44,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:48,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:52,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:14:56,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:00,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:04,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:08,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:12,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:16,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:20,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:24,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:28,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:32,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:36,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:40,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:44,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:48,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:52,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:15:56,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:00,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:04,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:08,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:12,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:16,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:20,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:12,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:16,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:20,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:24,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:24,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:17:24,963 INFO L93 Difference]: Finished difference Result 530 states and 628 transitions. [2024-12-01 23:17:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 23:17:24,963 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-12-01 23:17:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:17:24,964 INFO L225 Difference]: With dead ends: 530 [2024-12-01 23:17:24,964 INFO L226 Difference]: Without dead ends: 528 [2024-12-01 23:17:24,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 179.0s TimeCoverageRelationStatistics Valid=180, Invalid=1109, Unknown=43, NotChecked=0, Total=1332 [2024-12-01 23:17:24,965 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 154 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 24 mSolverCounterUnsat, 122 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 493.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 122 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 493.6s IncrementalHoareTripleChecker+Time [2024-12-01 23:17:24,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 986 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 249 Invalid, 122 Unknown, 0 Unchecked, 493.6s Time] [2024-12-01 23:17:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-01 23:17:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 371. [2024-12-01 23:17:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 335 states have (on average 1.1791044776119404) internal successors, (395), 336 states have internal predecessors, (395), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-01 23:17:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 441 transitions. [2024-12-01 23:17:25,022 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 441 transitions. Word has length 125 [2024-12-01 23:17:25,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:17:25,022 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 441 transitions. [2024-12-01 23:17:25,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-01 23:17:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 441 transitions. [2024-12-01 23:17:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-01 23:17:25,023 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:17:25,023 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:17:25,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-01 23:17:25,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:17:25,223 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:17:25,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:17:25,224 INFO L85 PathProgramCache]: Analyzing trace with hash -253739721, now seen corresponding path program 1 times [2024-12-01 23:17:25,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:17:25,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383307440] [2024-12-01 23:17:25,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:17:25,224 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 [2024-12-01 23:17:25,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:17:25,225 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:17:25,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-01 23:17:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:17:25,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-01 23:17:25,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:17:27,128 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 14 [2024-12-01 23:17:27,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:17:27,324 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2024-12-01 23:17:27,324 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 42 [2024-12-01 23:17:28,204 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 108 treesize of output 88 [2024-12-01 23:17:29,055 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-01 23:17:29,056 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 53 treesize of output 41 [2024-12-01 23:17:29,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:17:29,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 41 [2024-12-01 23:17:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 21 proven. 117 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-01 23:17:29,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:17:32,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:17:32,162 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 61 treesize of output 80 [2024-12-01 23:17:59,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:17:59,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383307440] [2024-12-01 23:17:59,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383307440] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:17:59,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1175951345] [2024-12-01 23:17:59,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:17:59,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:17:59,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:17:59,875 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:17:59,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-01 23:18:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:01,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-01 23:18:01,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:18:05,485 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 14 [2024-12-01 23:18:05,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:18:06,126 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2024-12-01 23:18:06,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 42 [2024-12-01 23:18:08,286 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 108 treesize of output 88 [2024-12-01 23:18:10,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:18:10,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 40 [2024-12-01 23:18:10,169 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-01 23:18:10,169 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 49 treesize of output 37 [2024-12-01 23:18:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 21 proven. 117 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-01 23:18:10,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:18:11,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:18:11,437 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 61 treesize of output 80 [2024-12-01 23:18:14,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1175951345] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:18:14,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:18:14,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-01 23:18:14,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807390541] [2024-12-01 23:18:14,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:18:14,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-01 23:18:14,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:18:14,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-01 23:18:14,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1287, Unknown=5, NotChecked=0, Total=1482 [2024-12-01 23:18:14,551 INFO L87 Difference]: Start difference. First operand 371 states and 441 transitions. Second operand has 26 states, 26 states have (on average 4.769230769230769) internal successors, (124), 25 states have internal predecessors, (124), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-01 23:18:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:18:27,181 INFO L93 Difference]: Finished difference Result 910 states and 1072 transitions. [2024-12-01 23:18:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-01 23:18:27,182 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.769230769230769) internal successors, (124), 25 states have internal predecessors, (124), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2024-12-01 23:18:27,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:18:27,184 INFO L225 Difference]: With dead ends: 910 [2024-12-01 23:18:27,184 INFO L226 Difference]: Without dead ends: 673 [2024-12-01 23:18:27,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 385 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 38.3s TimeCoverageRelationStatistics Valid=756, Invalid=3271, Unknown=5, NotChecked=0, Total=4032 [2024-12-01 23:18:27,185 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 399 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 68 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:18:27,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1670 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1610 Invalid, 7 Unknown, 0 Unchecked, 6.3s Time] [2024-12-01 23:18:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-12-01 23:18:27,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 540. [2024-12-01 23:18:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 488 states have (on average 1.1639344262295082) internal successors, (568), 489 states have internal predecessors, (568), 33 states have call successors, (33), 18 states have call predecessors, (33), 18 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-01 23:18:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 634 transitions. [2024-12-01 23:18:27,290 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 634 transitions. Word has length 125 [2024-12-01 23:18:27,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:18:27,291 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 634 transitions. [2024-12-01 23:18:27,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.769230769230769) internal successors, (124), 25 states have internal predecessors, (124), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-01 23:18:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 634 transitions. [2024-12-01 23:18:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-01 23:18:27,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:18:27,292 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:18:27,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-12-01 23:18:27,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-12-01 23:18:27,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-01 23:18:27,692 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:18:27,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:18:27,693 INFO L85 PathProgramCache]: Analyzing trace with hash -226674119, now seen corresponding path program 1 times [2024-12-01 23:18:27,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:18:27,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273824635] [2024-12-01 23:18:27,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:27,693 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 [2024-12-01 23:18:27,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:18:27,695 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:18:27,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:18:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:28,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-01 23:18:28,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:18:30,670 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 [2024-12-01 23:18:32,064 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 14 [2024-12-01 23:18:32,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:18:32,471 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 62 treesize of output 50 [2024-12-01 23:18:32,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-12-01 23:18:32,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-01 23:18:32,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2024-12-01 23:18:33,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:18:33,928 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 31 treesize of output 19 [2024-12-01 23:18:33,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-01 23:18:33,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 31 [2024-12-01 23:18:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 21 proven. 117 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-01 23:18:34,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:18:38,666 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:18:38,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273824635] [2024-12-01 23:18:38,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273824635] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:18:38,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1641037772] [2024-12-01 23:18:38,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:38,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:18:38,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:18:38,668 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:18:38,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-01 23:18:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:39,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-01 23:18:39,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:18:44,317 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 [2024-12-01 23:18:46,215 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 14 [2024-12-01 23:18:46,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:18:46,846 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 70 treesize of output 57 [2024-12-01 23:18:47,380 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 36 treesize of output 35 [2024-12-01 23:18:47,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2024-12-01 23:18:48,830 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 65 treesize of output 49 [2024-12-01 23:18:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-01 23:18:49,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:18:49,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1641037772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:18:49,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:18:49,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2024-12-01 23:18:49,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310077987] [2024-12-01 23:18:49,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:18:49,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 23:18:49,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:18:49,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 23:18:49,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=742, Unknown=1, NotChecked=0, Total=870 [2024-12-01 23:18:49,322 INFO L87 Difference]: Start difference. First operand 540 states and 634 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-01 23:18:53,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:18:53,006 INFO L93 Difference]: Finished difference Result 908 states and 1067 transitions. [2024-12-01 23:18:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 23:18:53,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 125 [2024-12-01 23:18:53,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:18:53,008 INFO L225 Difference]: With dead ends: 908 [2024-12-01 23:18:53,008 INFO L226 Difference]: Without dead ends: 501 [2024-12-01 23:18:53,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=217, Invalid=972, Unknown=1, NotChecked=0, Total=1190 [2024-12-01 23:18:53,009 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 186 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:18:53,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 460 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-01 23:18:53,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-12-01 23:18:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 429. [2024-12-01 23:18:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 385 states have (on average 1.161038961038961) internal successors, (447), 386 states have internal predecessors, (447), 28 states have call successors, (28), 15 states have call predecessors, (28), 15 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-01 23:18:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 503 transitions. [2024-12-01 23:18:53,099 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 503 transitions. Word has length 125 [2024-12-01 23:18:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:18:53,099 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 503 transitions. [2024-12-01 23:18:53,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-01 23:18:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 503 transitions. [2024-12-01 23:18:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-01 23:18:53,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:18:53,101 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:18:53,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-01 23:18:53,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-01 23:18:53,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:18:53,502 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:18:53,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:18:53,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2105805065, now seen corresponding path program 1 times [2024-12-01 23:18:53,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:18:53,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688974746] [2024-12-01 23:18:53,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:53,503 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 [2024-12-01 23:18:53,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:18:53,504 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-01 23:18:53,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfee498d-3d52-41a1-9511-60ed98d0e08b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-01 23:18:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:53,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-01 23:18:53,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:18:56,952 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 14 [2024-12-01 23:18:57,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-01 23:19:01,273 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 83 treesize of output 55 [2024-12-01 23:19:01,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-01 23:19:01,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-01 23:19:01,597 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 79 treesize of output 66 [2024-12-01 23:19:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-01 23:19:02,232 INFO L312 TraceCheckSpWp]: Computing backward predicates...