./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB --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 c1e424fdb45007bba7dcf6b9c7609abd758db94a72eb27633df48ff94056907f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:27:12,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:27:12,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:27:12,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:27:12,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:27:12,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:27:12,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:27:12,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:27:12,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:27:12,772 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:27:12,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:27:12,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:27:12,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:27:12,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:27:12,773 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:27:12,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:27:12,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:27:12,773 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:27:12,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:27:12,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:27:12,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:27:12,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:27:12,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:27:12,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:27:12,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:27:12,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:27:12,776 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:27:12,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:27:12,776 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:27:12,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:12,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:12,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:12,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:27:12,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:27:12,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:27:12,779 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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB 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 -> c1e424fdb45007bba7dcf6b9c7609abd758db94a72eb27633df48ff94056907f [2024-11-27 23:27:13,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:27:13,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:27:13,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:27:13,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:27:13,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:27:13,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i [2024-11-27 23:27:16,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/623f6918f/2a5d699200a44329b1a2034adb91dc48/FLAGa33d5fdb6 [2024-11-27 23:27:16,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:27:16,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i [2024-11-27 23:27:16,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/623f6918f/2a5d699200a44329b1a2034adb91dc48/FLAGa33d5fdb6 [2024-11-27 23:27:16,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/623f6918f/2a5d699200a44329b1a2034adb91dc48 [2024-11-27 23:27:16,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:27:16,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:27:16,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:27:16,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:27:16,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:27:16,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:16" (1/1) ... [2024-11-27 23:27:16,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d984493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:16, skipping insertion in model container [2024-11-27 23:27:16,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:16" (1/1) ... [2024-11-27 23:27:16,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:27:17,152 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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i[916,929] [2024-11-27 23:27:17,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:27:17,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:27:17,281 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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i[916,929] [2024-11-27 23:27:17,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:27:17,359 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:27:17,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17 WrapperNode [2024-11-27 23:27:17,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:27:17,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:27:17,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:27:17,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:27:17,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,436 INFO L138 Inliner]: procedures = 30, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 436 [2024-11-27 23:27:17,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:27:17,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:27:17,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:27:17,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:27:17,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,461 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-27 23:27:17,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:27:17,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:27:17,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:27:17,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:27:17,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (1/1) ... [2024-11-27 23:27:17,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:17,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:17,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:27:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:27:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-27 23:27:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-27 23:27:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:27:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-27 23:27:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-27 23:27:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:27:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:27:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:27:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:27:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:27:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:27:17,778 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:27:17,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:27:18,556 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-27 23:27:18,557 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:27:18,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:27:18,577 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:27:18,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:18 BoogieIcfgContainer [2024-11-27 23:27:18,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:27:18,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:27:18,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:27:18,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:27:18,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:27:16" (1/3) ... [2024-11-27 23:27:18,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36939bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:27:18, skipping insertion in model container [2024-11-27 23:27:18,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:17" (2/3) ... [2024-11-27 23:27:18,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36939bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:27:18, skipping insertion in model container [2024-11-27 23:27:18,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:18" (3/3) ... [2024-11-27 23:27:18,608 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-34.i [2024-11-27 23:27:18,625 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:27:18,629 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-34.i that has 2 procedures, 120 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:27:18,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:27:18,727 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;@3c33e60f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:27:18,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:27:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 23:27:18,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:18,753 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:18,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:18,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash -504089564, now seen corresponding path program 1 times [2024-11-27 23:27:18,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:18,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725633857] [2024-11-27 23:27:18,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:18,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-27 23:27:19,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:19,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725633857] [2024-11-27 23:27:19,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725633857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:19,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414828817] [2024-11-27 23:27:19,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:19,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:19,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:19,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:19,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:27:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:19,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:27:19,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-27 23:27:19,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:27:19,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414828817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:19,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:27:19,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:27:19,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208304318] [2024-11-27 23:27:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:19,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:27:19,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:19,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:27:19,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:27:19,790 INFO L87 Difference]: Start difference. First operand has 120 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:19,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:19,827 INFO L93 Difference]: Finished difference Result 233 states and 367 transitions. [2024-11-27 23:27:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:27:19,829 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 171 [2024-11-27 23:27:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:19,836 INFO L225 Difference]: With dead ends: 233 [2024-11-27 23:27:19,836 INFO L226 Difference]: Without dead ends: 116 [2024-11-27 23:27:19,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:27:19,843 INFO L435 NwaCegarLoop]: 168 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, 168 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:19,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-27 23:27:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-27 23:27:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-27 23:27:19,907 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 171 [2024-11-27 23:27:19,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:19,907 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-27 23:27:19,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-27 23:27:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 23:27:19,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:19,911 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:19,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:20,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:27:20,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:20,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1447710914, now seen corresponding path program 1 times [2024-11-27 23:27:20,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:20,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684207578] [2024-11-27 23:27:20,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:20,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:20,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684207578] [2024-11-27 23:27:20,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684207578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:20,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:20,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:27:20,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295726098] [2024-11-27 23:27:20,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:20,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:20,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:20,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:20,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:20,631 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:20,689 INFO L93 Difference]: Finished difference Result 230 states and 335 transitions. [2024-11-27 23:27:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:20,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 171 [2024-11-27 23:27:20,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:20,693 INFO L225 Difference]: With dead ends: 230 [2024-11-27 23:27:20,694 INFO L226 Difference]: Without dead ends: 117 [2024-11-27 23:27:20,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:20,697 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:20,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-27 23:27:20,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-27 23:27:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 92 states have internal predecessors, (123), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2024-11-27 23:27:20,725 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 171 [2024-11-27 23:27:20,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:20,727 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2024-11-27 23:27:20,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2024-11-27 23:27:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 23:27:20,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:20,737 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:20,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:27:20,738 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:20,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:20,738 INFO L85 PathProgramCache]: Analyzing trace with hash 630062464, now seen corresponding path program 1 times [2024-11-27 23:27:20,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:20,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405370827] [2024-11-27 23:27:20,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-27 23:27:21,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:21,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405370827] [2024-11-27 23:27:21,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405370827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:21,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270329481] [2024-11-27 23:27:21,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:21,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:21,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:21,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:21,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:27:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:21,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:27:21,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:21,830 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:27:21,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270329481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:21,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:27:21,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-27 23:27:21,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980875413] [2024-11-27 23:27:21,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:21,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:21,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:21,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:21,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:21,836 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:21,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:21,897 INFO L93 Difference]: Finished difference Result 233 states and 338 transitions. [2024-11-27 23:27:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:27:21,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 171 [2024-11-27 23:27:21,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:21,902 INFO L225 Difference]: With dead ends: 233 [2024-11-27 23:27:21,903 INFO L226 Difference]: Without dead ends: 119 [2024-11-27 23:27:21,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:21,907 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:21,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-27 23:27:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-27 23:27:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-27 23:27:21,927 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 171 [2024-11-27 23:27:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:21,928 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-27 23:27:21,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-27 23:27:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 23:27:21,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:21,935 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:21,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:27:22,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:22,138 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:22,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:22,138 INFO L85 PathProgramCache]: Analyzing trace with hash 816478610, now seen corresponding path program 1 times [2024-11-27 23:27:22,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:22,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977092559] [2024-11-27 23:27:22,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:22,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:22,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:22,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977092559] [2024-11-27 23:27:22,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977092559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:22,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:22,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:27:22,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165483761] [2024-11-27 23:27:22,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:22,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:22,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:22,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:22,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:22,422 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:22,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:22,474 INFO L93 Difference]: Finished difference Result 285 states and 411 transitions. [2024-11-27 23:27:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:22,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 173 [2024-11-27 23:27:22,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:22,478 INFO L225 Difference]: With dead ends: 285 [2024-11-27 23:27:22,478 INFO L226 Difference]: Without dead ends: 169 [2024-11-27 23:27:22,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:22,483 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 59 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:22,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 323 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:22,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-27 23:27:22,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 138. [2024-11-27 23:27:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 199 transitions. [2024-11-27 23:27:22,508 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 199 transitions. Word has length 173 [2024-11-27 23:27:22,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:22,510 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 199 transitions. [2024-11-27 23:27:22,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2024-11-27 23:27:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-27 23:27:22,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:22,516 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:22,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:27:22,516 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:22,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1194672414, now seen corresponding path program 1 times [2024-11-27 23:27:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:22,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791348333] [2024-11-27 23:27:22,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:22,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:23,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:23,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791348333] [2024-11-27 23:27:23,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791348333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:23,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:23,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:23,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269509157] [2024-11-27 23:27:23,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:23,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:27:23,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:23,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:27:23,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:27:23,723 INFO L87 Difference]: Start difference. First operand 138 states and 199 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:24,143 INFO L93 Difference]: Finished difference Result 269 states and 389 transitions. [2024-11-27 23:27:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:27:24,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2024-11-27 23:27:24,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:24,146 INFO L225 Difference]: With dead ends: 269 [2024-11-27 23:27:24,146 INFO L226 Difference]: Without dead ends: 134 [2024-11-27 23:27:24,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:24,150 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 193 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:24,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 199 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:27:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-27 23:27:24,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2024-11-27 23:27:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 189 transitions. [2024-11-27 23:27:24,165 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 189 transitions. Word has length 176 [2024-11-27 23:27:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:24,165 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 189 transitions. [2024-11-27 23:27:24,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 189 transitions. [2024-11-27 23:27:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 23:27:24,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:24,168 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:24,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:27:24,168 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:24,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash 330649992, now seen corresponding path program 1 times [2024-11-27 23:27:24,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:24,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213346802] [2024-11-27 23:27:24,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:25,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:25,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213346802] [2024-11-27 23:27:25,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213346802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:25,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:25,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:27:25,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623141963] [2024-11-27 23:27:25,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:25,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:27:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:25,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:27:25,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:25,485 INFO L87 Difference]: Start difference. First operand 132 states and 189 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-27 23:27:26,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:26,720 INFO L93 Difference]: Finished difference Result 259 states and 372 transitions. [2024-11-27 23:27:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:26,721 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 178 [2024-11-27 23:27:26,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:26,723 INFO L225 Difference]: With dead ends: 259 [2024-11-27 23:27:26,723 INFO L226 Difference]: Without dead ends: 130 [2024-11-27 23:27:26,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:27:26,727 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 172 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:26,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 289 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:27:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-27 23:27:26,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-27 23:27:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 185 transitions. [2024-11-27 23:27:26,756 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 185 transitions. Word has length 178 [2024-11-27 23:27:26,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:26,757 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 185 transitions. [2024-11-27 23:27:26,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-27 23:27:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2024-11-27 23:27:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 23:27:26,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:26,763 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:26,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:27:26,763 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:26,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1216863334, now seen corresponding path program 1 times [2024-11-27 23:27:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:26,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448541103] [2024-11-27 23:27:26,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:26,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:26,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:26,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448541103] [2024-11-27 23:27:26,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448541103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:26,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:26,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:27:26,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234261416] [2024-11-27 23:27:26,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:26,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:26,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:26,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:26,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:26,996 INFO L87 Difference]: Start difference. First operand 130 states and 185 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:27,166 INFO L93 Difference]: Finished difference Result 283 states and 402 transitions. [2024-11-27 23:27:27,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:27,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 178 [2024-11-27 23:27:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:27,171 INFO L225 Difference]: With dead ends: 283 [2024-11-27 23:27:27,171 INFO L226 Difference]: Without dead ends: 156 [2024-11-27 23:27:27,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:27,173 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 51 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:27,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 356 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:27:27,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-27 23:27:27,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 130. [2024-11-27 23:27:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 182 transitions. [2024-11-27 23:27:27,197 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 182 transitions. Word has length 178 [2024-11-27 23:27:27,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:27,198 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 182 transitions. [2024-11-27 23:27:27,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 182 transitions. [2024-11-27 23:27:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:27,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:27,200 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:27,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:27:27,201 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:27,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:27,202 INFO L85 PathProgramCache]: Analyzing trace with hash -516330058, now seen corresponding path program 1 times [2024-11-27 23:27:27,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:27,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47356293] [2024-11-27 23:27:27,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:27,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:27,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47356293] [2024-11-27 23:27:27,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47356293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:27,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:27,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:27,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553650851] [2024-11-27 23:27:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:27,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:27,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:27,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:27,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:27,526 INFO L87 Difference]: Start difference. First operand 130 states and 182 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:27,578 INFO L93 Difference]: Finished difference Result 260 states and 365 transitions. [2024-11-27 23:27:27,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:27:27,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:27,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:27,580 INFO L225 Difference]: With dead ends: 260 [2024-11-27 23:27:27,581 INFO L226 Difference]: Without dead ends: 133 [2024-11-27 23:27:27,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:27,586 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:27,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 455 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:27,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-27 23:27:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-11-27 23:27:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 107 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2024-11-27 23:27:27,614 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 180 [2024-11-27 23:27:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:27,617 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2024-11-27 23:27:27,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2024-11-27 23:27:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:27,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:27,622 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:27,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:27:27,622 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:27,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1217394636, now seen corresponding path program 1 times [2024-11-27 23:27:27,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:27,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058440047] [2024-11-27 23:27:27,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:30,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058440047] [2024-11-27 23:27:30,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058440047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:30,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:30,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:30,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17919564] [2024-11-27 23:27:30,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:30,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:30,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:30,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:30,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:30,488 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:31,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:31,057 INFO L93 Difference]: Finished difference Result 331 states and 457 transitions. [2024-11-27 23:27:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:27:31,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-27 23:27:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:31,060 INFO L225 Difference]: With dead ends: 331 [2024-11-27 23:27:31,061 INFO L226 Difference]: Without dead ends: 202 [2024-11-27 23:27:31,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:31,062 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 109 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:31,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 422 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:27:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-27 23:27:31,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 198. [2024-11-27 23:27:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 170 states have (on average 1.3058823529411765) internal successors, (222), 171 states have internal predecessors, (222), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:27:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 272 transitions. [2024-11-27 23:27:31,092 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 272 transitions. Word has length 180 [2024-11-27 23:27:31,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:31,094 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 272 transitions. [2024-11-27 23:27:31,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 272 transitions. [2024-11-27 23:27:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:31,101 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:31,101 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:31,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:27:31,102 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:31,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash 62469042, now seen corresponding path program 1 times [2024-11-27 23:27:31,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:31,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524167971] [2024-11-27 23:27:31,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:32,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:32,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524167971] [2024-11-27 23:27:32,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524167971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:32,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:32,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 23:27:32,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709778639] [2024-11-27 23:27:32,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:32,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:27:32,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:32,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:27:32,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:27:32,324 INFO L87 Difference]: Start difference. First operand 198 states and 272 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:33,209 INFO L93 Difference]: Finished difference Result 604 states and 828 transitions. [2024-11-27 23:27:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:27:33,210 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:33,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:33,215 INFO L225 Difference]: With dead ends: 604 [2024-11-27 23:27:33,215 INFO L226 Difference]: Without dead ends: 409 [2024-11-27 23:27:33,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:27:33,217 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 139 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:33,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1241 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:27:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-27 23:27:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 268. [2024-11-27 23:27:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 240 states have (on average 1.3041666666666667) internal successors, (313), 241 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:27:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 363 transitions. [2024-11-27 23:27:33,254 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 363 transitions. Word has length 180 [2024-11-27 23:27:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:33,256 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 363 transitions. [2024-11-27 23:27:33,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 363 transitions. [2024-11-27 23:27:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:33,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:33,262 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:33,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:27:33,262 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:33,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:33,263 INFO L85 PathProgramCache]: Analyzing trace with hash 176727606, now seen corresponding path program 1 times [2024-11-27 23:27:33,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:33,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577985007] [2024-11-27 23:27:33,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:33,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:33,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:33,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577985007] [2024-11-27 23:27:33,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577985007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:33,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:33,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:33,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120430338] [2024-11-27 23:27:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:33,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:33,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:33,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:33,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:33,843 INFO L87 Difference]: Start difference. First operand 268 states and 363 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:34,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:34,171 INFO L93 Difference]: Finished difference Result 605 states and 814 transitions. [2024-11-27 23:27:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:27:34,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:34,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:34,177 INFO L225 Difference]: With dead ends: 605 [2024-11-27 23:27:34,177 INFO L226 Difference]: Without dead ends: 340 [2024-11-27 23:27:34,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:34,178 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 80 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:34,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 496 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:27:34,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-27 23:27:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 264. [2024-11-27 23:27:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 236 states have (on average 1.3008474576271187) internal successors, (307), 237 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:27:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 357 transitions. [2024-11-27 23:27:34,206 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 357 transitions. Word has length 180 [2024-11-27 23:27:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:34,206 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 357 transitions. [2024-11-27 23:27:34,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 357 transitions. [2024-11-27 23:27:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:34,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:34,210 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:34,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:27:34,210 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:34,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash 203017652, now seen corresponding path program 1 times [2024-11-27 23:27:34,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:34,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187378903] [2024-11-27 23:27:34,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:34,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187378903] [2024-11-27 23:27:34,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187378903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:34,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:34,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:34,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831774986] [2024-11-27 23:27:34,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:34,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:34,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:34,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:34,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:34,390 INFO L87 Difference]: Start difference. First operand 264 states and 357 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:34,428 INFO L93 Difference]: Finished difference Result 533 states and 723 transitions. [2024-11-27 23:27:34,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:27:34,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:34,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:34,432 INFO L225 Difference]: With dead ends: 533 [2024-11-27 23:27:34,432 INFO L226 Difference]: Without dead ends: 272 [2024-11-27 23:27:34,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:34,433 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:34,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 457 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:34,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-27 23:27:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-27 23:27:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 244 states have (on average 1.290983606557377) internal successors, (315), 245 states have internal predecessors, (315), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:27:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2024-11-27 23:27:34,455 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 180 [2024-11-27 23:27:34,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:34,455 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2024-11-27 23:27:34,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2024-11-27 23:27:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:34,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:34,458 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:34,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:27:34,459 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:34,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:34,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2126245686, now seen corresponding path program 1 times [2024-11-27 23:27:34,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:34,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38366850] [2024-11-27 23:27:34,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:34,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:34,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:34,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38366850] [2024-11-27 23:27:34,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38366850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:34,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:34,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143548740] [2024-11-27 23:27:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:34,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:34,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:34,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:34,964 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:35,307 INFO L93 Difference]: Finished difference Result 552 states and 738 transitions. [2024-11-27 23:27:35,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:27:35,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:35,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:35,310 INFO L225 Difference]: With dead ends: 552 [2024-11-27 23:27:35,310 INFO L226 Difference]: Without dead ends: 283 [2024-11-27 23:27:35,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:35,313 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 126 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:35,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 503 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:27:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-27 23:27:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 243. [2024-11-27 23:27:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 215 states have (on average 1.283720930232558) internal successors, (276), 216 states have internal predecessors, (276), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:27:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2024-11-27 23:27:35,335 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 180 [2024-11-27 23:27:35,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:35,338 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2024-11-27 23:27:35,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2024-11-27 23:27:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:35,341 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:35,341 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:35,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:27:35,342 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:35,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:35,342 INFO L85 PathProgramCache]: Analyzing trace with hash 283067322, now seen corresponding path program 1 times [2024-11-27 23:27:35,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:35,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208176213] [2024-11-27 23:27:35,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:35,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:37,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208176213] [2024-11-27 23:27:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208176213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:37,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:37,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:37,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426135982] [2024-11-27 23:27:37,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:37,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:37,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:37,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:37,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:37,664 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:38,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:38,250 INFO L93 Difference]: Finished difference Result 593 states and 791 transitions. [2024-11-27 23:27:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:27:38,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-27 23:27:38,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:38,254 INFO L225 Difference]: With dead ends: 593 [2024-11-27 23:27:38,254 INFO L226 Difference]: Without dead ends: 353 [2024-11-27 23:27:38,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:38,256 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 44 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:38,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 558 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:27:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-27 23:27:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 301. [2024-11-27 23:27:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.2857142857142858) internal successors, (351), 274 states have internal predecessors, (351), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:27:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 401 transitions. [2024-11-27 23:27:38,283 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 401 transitions. Word has length 180 [2024-11-27 23:27:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:38,284 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 401 transitions. [2024-11-27 23:27:38,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 401 transitions. [2024-11-27 23:27:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:38,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:38,287 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:38,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:27:38,287 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:38,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:38,288 INFO L85 PathProgramCache]: Analyzing trace with hash -2088671940, now seen corresponding path program 1 times [2024-11-27 23:27:38,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:38,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114567327] [2024-11-27 23:27:38,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:38,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:38,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:38,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114567327] [2024-11-27 23:27:38,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114567327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:38,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:38,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:38,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412912990] [2024-11-27 23:27:38,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:38,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:38,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:38,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:38,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:38,922 INFO L87 Difference]: Start difference. First operand 301 states and 401 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:39,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:39,563 INFO L93 Difference]: Finished difference Result 610 states and 805 transitions. [2024-11-27 23:27:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:39,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:39,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:39,567 INFO L225 Difference]: With dead ends: 610 [2024-11-27 23:27:39,567 INFO L226 Difference]: Without dead ends: 312 [2024-11-27 23:27:39,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:39,570 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 66 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:39,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 711 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:27:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-27 23:27:39,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 239. [2024-11-27 23:27:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 213 states have (on average 1.272300469483568) internal successors, (271), 213 states have internal predecessors, (271), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:39,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 317 transitions. [2024-11-27 23:27:39,594 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 317 transitions. Word has length 180 [2024-11-27 23:27:39,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:39,594 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 317 transitions. [2024-11-27 23:27:39,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 317 transitions. [2024-11-27 23:27:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:39,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:39,598 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:39,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:27:39,598 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:39,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:39,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2062381894, now seen corresponding path program 1 times [2024-11-27 23:27:39,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:39,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104612089] [2024-11-27 23:27:39,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:41,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:41,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104612089] [2024-11-27 23:27:41,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104612089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:41,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:41,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127015186] [2024-11-27 23:27:41,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:41,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:41,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:41,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:41,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:41,614 INFO L87 Difference]: Start difference. First operand 239 states and 317 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:42,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:42,457 INFO L93 Difference]: Finished difference Result 501 states and 663 transitions. [2024-11-27 23:27:42,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:42,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-27 23:27:42,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:42,461 INFO L225 Difference]: With dead ends: 501 [2024-11-27 23:27:42,461 INFO L226 Difference]: Without dead ends: 265 [2024-11-27 23:27:42,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:42,463 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 44 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:42,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 626 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:27:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-27 23:27:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 239. [2024-11-27 23:27:42,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 213 states have (on average 1.2582159624413145) internal successors, (268), 213 states have internal predecessors, (268), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:27:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 314 transitions. [2024-11-27 23:27:42,484 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 314 transitions. Word has length 180 [2024-11-27 23:27:42,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:42,485 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 314 transitions. [2024-11-27 23:27:42,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 314 transitions. [2024-11-27 23:27:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:42,488 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:42,488 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:42,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:27:42,489 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:42,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:42,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1948123330, now seen corresponding path program 1 times [2024-11-27 23:27:42,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:42,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97290513] [2024-11-27 23:27:42,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:42,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:45,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:45,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97290513] [2024-11-27 23:27:45,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97290513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:45,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:45,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 23:27:45,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182131287] [2024-11-27 23:27:45,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:45,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:27:45,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:45,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:27:45,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:27:45,751 INFO L87 Difference]: Start difference. First operand 239 states and 314 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:47,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:47,562 INFO L93 Difference]: Finished difference Result 522 states and 685 transitions. [2024-11-27 23:27:47,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:27:47,563 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-27 23:27:47,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:47,565 INFO L225 Difference]: With dead ends: 522 [2024-11-27 23:27:47,566 INFO L226 Difference]: Without dead ends: 286 [2024-11-27 23:27:47,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:27:47,568 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 71 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:47,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 1338 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:27:47,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-27 23:27:47,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2024-11-27 23:27:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 250 states have (on average 1.26) internal successors, (315), 251 states have internal predecessors, (315), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-27 23:27:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 371 transitions. [2024-11-27 23:27:47,597 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 371 transitions. Word has length 180 [2024-11-27 23:27:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:47,598 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 371 transitions. [2024-11-27 23:27:47,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 371 transitions. [2024-11-27 23:27:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:47,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:47,602 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:47,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:27:47,602 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:47,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1645779388, now seen corresponding path program 1 times [2024-11-27 23:27:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:47,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538343900] [2024-11-27 23:27:47,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:48,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:48,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538343900] [2024-11-27 23:27:48,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538343900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:48,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:48,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:48,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742790848] [2024-11-27 23:27:48,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:48,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:48,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:48,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:48,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:48,098 INFO L87 Difference]: Start difference. First operand 283 states and 371 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:48,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:48,581 INFO L93 Difference]: Finished difference Result 621 states and 810 transitions. [2024-11-27 23:27:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:48,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:48,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:48,585 INFO L225 Difference]: With dead ends: 621 [2024-11-27 23:27:48,585 INFO L226 Difference]: Without dead ends: 341 [2024-11-27 23:27:48,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:48,586 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 75 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:48,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 614 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:27:48,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-27 23:27:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 283. [2024-11-27 23:27:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 250 states have (on average 1.256) internal successors, (314), 251 states have internal predecessors, (314), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-27 23:27:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 370 transitions. [2024-11-27 23:27:48,615 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 370 transitions. Word has length 180 [2024-11-27 23:27:48,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:48,617 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 370 transitions. [2024-11-27 23:27:48,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 370 transitions. [2024-11-27 23:27:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:48,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:48,619 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:48,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:27:48,619 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:48,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:48,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1369324230, now seen corresponding path program 1 times [2024-11-27 23:27:48,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:48,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232782758] [2024-11-27 23:27:48,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:48,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:50,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:50,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232782758] [2024-11-27 23:27:50,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232782758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:50,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:50,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:27:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928875402] [2024-11-27 23:27:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:50,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:50,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:50,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:50,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:50,538 INFO L87 Difference]: Start difference. First operand 283 states and 370 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:51,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:51,210 INFO L93 Difference]: Finished difference Result 593 states and 774 transitions. [2024-11-27 23:27:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:51,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-27 23:27:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:51,214 INFO L225 Difference]: With dead ends: 593 [2024-11-27 23:27:51,214 INFO L226 Difference]: Without dead ends: 313 [2024-11-27 23:27:51,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:51,216 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 105 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:51,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 592 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:27:51,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-27 23:27:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 277. [2024-11-27 23:27:51,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 244 states have (on average 1.2540983606557377) internal successors, (306), 245 states have internal predecessors, (306), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-27 23:27:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 362 transitions. [2024-11-27 23:27:51,237 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 362 transitions. Word has length 180 [2024-11-27 23:27:51,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:51,238 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 362 transitions. [2024-11-27 23:27:51,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:27:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 362 transitions. [2024-11-27 23:27:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:27:51,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:51,240 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:51,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 23:27:51,241 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:51,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:51,241 INFO L85 PathProgramCache]: Analyzing trace with hash -258930261, now seen corresponding path program 1 times [2024-11-27 23:27:51,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:51,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605250348] [2024-11-27 23:27:51,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:51,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:51,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:51,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605250348] [2024-11-27 23:27:51,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605250348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:51,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:51,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:51,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269800159] [2024-11-27 23:27:51,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:51,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:51,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:51,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:51,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:51,847 INFO L87 Difference]: Start difference. First operand 277 states and 362 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:52,252 INFO L93 Difference]: Finished difference Result 688 states and 898 transitions. [2024-11-27 23:27:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:27:52,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:27:52,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:52,256 INFO L225 Difference]: With dead ends: 688 [2024-11-27 23:27:52,257 INFO L226 Difference]: Without dead ends: 414 [2024-11-27 23:27:52,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:27:52,258 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 119 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:52,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 362 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:27:52,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-27 23:27:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 340. [2024-11-27 23:27:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 282 states have (on average 1.2304964539007093) internal successors, (347), 283 states have internal predecessors, (347), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:27:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 449 transitions. [2024-11-27 23:27:52,293 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 449 transitions. Word has length 180 [2024-11-27 23:27:52,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:52,293 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 449 transitions. [2024-11-27 23:27:52,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 449 transitions. [2024-11-27 23:27:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-27 23:27:52,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:52,295 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:52,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:27:52,296 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:52,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:52,296 INFO L85 PathProgramCache]: Analyzing trace with hash -766777443, now seen corresponding path program 1 times [2024-11-27 23:27:52,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:52,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119480602] [2024-11-27 23:27:52,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:52,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-27 23:27:52,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:52,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119480602] [2024-11-27 23:27:52,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119480602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:52,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284363822] [2024-11-27 23:27:52,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:52,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:52,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:52,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:52,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:27:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:52,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:27:52,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:53,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:27:53,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284363822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:53,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:27:53,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-27 23:27:53,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778250153] [2024-11-27 23:27:53,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:53,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:27:53,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:53,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:27:53,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:53,038 INFO L87 Difference]: Start difference. First operand 340 states and 449 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:53,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:53,105 INFO L93 Difference]: Finished difference Result 620 states and 816 transitions. [2024-11-27 23:27:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:27:53,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-27 23:27:53,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:53,110 INFO L225 Difference]: With dead ends: 620 [2024-11-27 23:27:53,111 INFO L226 Difference]: Without dead ends: 346 [2024-11-27 23:27:53,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:53,113 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:53,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:27:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-27 23:27:53,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-27 23:27:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 288 states have (on average 1.2256944444444444) internal successors, (353), 289 states have internal predecessors, (353), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:27:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 455 transitions. [2024-11-27 23:27:53,154 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 455 transitions. Word has length 182 [2024-11-27 23:27:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:53,155 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 455 transitions. [2024-11-27 23:27:53,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 455 transitions. [2024-11-27 23:27:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:27:53,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:53,156 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:53,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:27:53,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 23:27:53,357 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:53,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:53,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2066033000, now seen corresponding path program 1 times [2024-11-27 23:27:53,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:53,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710860155] [2024-11-27 23:27:53,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:27:54,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:54,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710860155] [2024-11-27 23:27:54,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710860155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:54,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:54,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:27:54,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798401405] [2024-11-27 23:27:54,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:54,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:27:54,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:54,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:27:54,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:27:54,013 INFO L87 Difference]: Start difference. First operand 346 states and 455 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:54,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:54,702 INFO L93 Difference]: Finished difference Result 625 states and 814 transitions. [2024-11-27 23:27:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:27:54,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-11-27 23:27:54,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:54,706 INFO L225 Difference]: With dead ends: 625 [2024-11-27 23:27:54,706 INFO L226 Difference]: Without dead ends: 623 [2024-11-27 23:27:54,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:27:54,709 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 95 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:54,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 957 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:27:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-27 23:27:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 620. [2024-11-27 23:27:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 534 states have (on average 1.2303370786516854) internal successors, (657), 537 states have internal predecessors, (657), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:27:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 807 transitions. [2024-11-27 23:27:54,759 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 807 transitions. Word has length 184 [2024-11-27 23:27:54,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:54,759 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 807 transitions. [2024-11-27 23:27:54,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:27:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 807 transitions. [2024-11-27 23:27:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:27:54,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:54,761 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:54,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 23:27:54,762 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:54,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:54,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1384928794, now seen corresponding path program 1 times [2024-11-27 23:27:54,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:54,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737386636] [2024-11-27 23:27:54,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:54,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:54,882 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:27:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:55,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:27:55,055 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:27:55,056 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:27:55,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 23:27:55,062 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:55,189 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:27:55,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:27:55 BoogieIcfgContainer [2024-11-27 23:27:55,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:27:55,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:27:55,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:27:55,194 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:27:55,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:18" (3/4) ... [2024-11-27 23:27:55,198 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:27:55,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:27:55,200 INFO L158 Benchmark]: Toolchain (without parser) took 38297.36ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 92.1MB in the beginning and 475.6MB in the end (delta: -383.6MB). Peak memory consumption was 233.3MB. Max. memory is 16.1GB. [2024-11-27 23:27:55,201 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:27:55,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.91ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:27:55,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.06ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 72.0MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:27:55,202 INFO L158 Benchmark]: Boogie Preprocessor took 74.62ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:27:55,202 INFO L158 Benchmark]: RCFGBuilder took 1065.99ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 38.3MB in the end (delta: 30.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:27:55,202 INFO L158 Benchmark]: TraceAbstraction took 36595.30ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 91.0MB in the beginning and 475.7MB in the end (delta: -384.8MB). Peak memory consumption was 219.7MB. Max. memory is 16.1GB. [2024-11-27 23:27:55,203 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 729.8MB. Free memory was 475.7MB in the beginning and 475.6MB in the end (delta: 99.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:27:55,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.91ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.06ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 72.0MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.62ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.99ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 38.3MB in the end (delta: 30.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 36595.30ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 91.0MB in the beginning and 475.7MB in the end (delta: -384.8MB). Peak memory consumption was 219.7MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 729.8MB. Free memory was 475.7MB in the beginning and 475.6MB in the end (delta: 99.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 16.6, 1, 1, 10.6, 0, 1, 0, 0, 10, 100, 64, 100, -4, 32, 4, 64 }; [L59] unsigned char last_1_WrapperStruct00_var_1_5 = 0; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_5=0] [L131] isInitial = 1 [L132] FCALL initially() [L134] CALL updateLastVariables() [L124] EXPR WrapperStruct00.var_1_5 [L124] last_1_WrapperStruct00_var_1_5 = WrapperStruct00.var_1_5 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L87] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L90] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L93] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L94] EXPR WrapperStruct00.var_1_4 [L94] EXPR WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F [L94] EXPR WrapperStruct00.var_1_4 [L94] EXPR WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L94] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L94] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L94] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L95] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L97] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L98] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L100] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L101] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L102] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L103] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L104] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L106] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 128) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L107] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 64) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L110] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L111] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L113] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L114] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L115] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L116] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L117] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L117] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L119] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L120] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L120] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L121] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L135] RET updateVariables() [L136] CALL step() [L63] COND FALSE !(\read(last_1_WrapperStruct00_var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L68] EXPR WrapperStruct00.var_1_1 [L68] EXPR WrapperStruct00.var_1_4 [L68] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L68] COND FALSE !(WrapperStruct00.var_1_1 >= (- (WrapperStruct00.var_1_4 * WrapperStruct00.var_1_1))) [L71] EXPR WrapperStruct00.var_1_3 [L71] WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L71] COND TRUE WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4)) [L72] EXPR WrapperStruct00.var_1_2 [L72] EXPR WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L72] EXPR (WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L72] WrapperStruct00.var_1_5 = ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7) [L76] EXPR WrapperStruct00.var_1_11 [L76] EXPR WrapperStruct00.var_1_12 [L76] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L76] EXPR ((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1) [L76] EXPR WrapperStruct00.var_1_13 [L76] EXPR ((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L76] signed long int stepLocal_1 = (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1))); [L77] EXPR WrapperStruct00.var_1_17 [L77] signed char stepLocal_0 = WrapperStruct00.var_1_17; [L78] COND FALSE !(-10 >= stepLocal_0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0, stepLocal_1=255] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9)))))) [L127] EXPR WrapperStruct00.var_1_3 [L127] EXPR WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))) [L127] EXPR WrapperStruct00.var_1_5 [L127] EXPR WrapperStruct00.var_1_2 [L127] EXPR WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR ((last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))))) && ((-10 >= WrapperStruct00.var_1_17) ? ((((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1)))) > (~ WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_16))) : 1) [L127] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (-10 >= WrapperStruct00.var_1_17) ? ((((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1)))) > (~ WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_16))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR ((last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))))) && ((-10 >= WrapperStruct00.var_1_17) ? ((((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1)))) > (~ WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_16))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (((last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))))) && ((-10 >= WrapperStruct00.var_1_17) ? ((((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1)))) > (~ WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_16))) : 1)) && ((WrapperStruct00.var_1_1 >= (- (WrapperStruct00.var_1_4 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_15)) : 1) [L127] EXPR WrapperStruct00.var_1_1 [L127] EXPR WrapperStruct00.var_1_4 [L127] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (WrapperStruct00.var_1_1 >= (- (WrapperStruct00.var_1_4 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_15)) : 1 [L127] EXPR WrapperStruct00.var_1_17 [L127] EXPR WrapperStruct00.var_1_15 [L127] EXPR (WrapperStruct00.var_1_1 >= (- (WrapperStruct00.var_1_4 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_15)) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127] EXPR (((last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))))) && ((-10 >= WrapperStruct00.var_1_17) ? ((((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1)))) > (~ WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_16))) : 1)) && ((WrapperStruct00.var_1_1 >= (- (WrapperStruct00.var_1_4 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_15)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L127-L128] return (((last_1_WrapperStruct00_var_1_5 ? (last_1_WrapperStruct00_var_1_5 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : 1) && ((WrapperStruct00.var_1_3 || (256 >= (WrapperStruct00.var_1_17 + 4))) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_3) || WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_5 == ((unsigned char) (! (! (WrapperStruct00.var_1_8 || WrapperStruct00.var_1_9))))))) && ((-10 >= WrapperStruct00.var_1_17) ? ((((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - ((((WrapperStruct00.var_1_13) < (1)) ? (WrapperStruct00.var_1_13) : (1)))) > (~ WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_16))) : 1)) && ((WrapperStruct00.var_1_1 >= (- (WrapperStruct00.var_1_4 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_15)) : 1) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_5=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 23, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1555 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1550 mSDsluCounter, 12086 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8594 mSDsCounter, 438 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3767 IncrementalHoareTripleChecker+Invalid, 4205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 438 mSolverCounterUnsat, 3492 mSDtfsCounter, 3767 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 766 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=620occurred in iteration=22, InterpolantAutomatonStates: 127, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 646 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 4632 NumberOfCodeBlocks, 4632 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4423 ConstructedInterpolants, 0 QuantifiedInterpolants, 7111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1743 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 25124/25300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 23:27:55,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB --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 c1e424fdb45007bba7dcf6b9c7609abd758db94a72eb27633df48ff94056907f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:27:58,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:27:58,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:27:58,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:27:58,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:27:58,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:27:58,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:27:58,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:27:58,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:27:58,463 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:27:58,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:27:58,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:27:58,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:27:58,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:27:58,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:27:58,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:27:58,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:27:58,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:27:58,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:27:58,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:27:58,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:27:58,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:27:58,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:27:58,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:27:58,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:58,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:27:58,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:58,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:58,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:27:58,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:58,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:27:58,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:58,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:58,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:27:58,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:27:58,473 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:27:58,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:27:58,474 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:27:58,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:27:58,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:27:58,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:27:58,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:27:58,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:27:58,475 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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB 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 -> c1e424fdb45007bba7dcf6b9c7609abd758db94a72eb27633df48ff94056907f [2024-11-27 23:27:58,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:27:58,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:27:58,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:27:58,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:27:58,891 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:27:58,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i [2024-11-27 23:28:02,365 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/a4cf1d987/26e44e533cb74d2691f01889ea2146df/FLAGcc09d9b6b [2024-11-27 23:28:02,735 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:28:02,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i [2024-11-27 23:28:02,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/a4cf1d987/26e44e533cb74d2691f01889ea2146df/FLAGcc09d9b6b [2024-11-27 23:28:02,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/data/a4cf1d987/26e44e533cb74d2691f01889ea2146df [2024-11-27 23:28:02,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:28:02,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:28:02,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:28:02,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:28:02,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:28:02,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:28:02" (1/1) ... [2024-11-27 23:28:02,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa183f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:02, skipping insertion in model container [2024-11-27 23:28:02,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:28:02" (1/1) ... [2024-11-27 23:28:02,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:28:03,048 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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i[916,929] [2024-11-27 23:28:03,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:28:03,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:28:03,207 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_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-34.i[916,929] [2024-11-27 23:28:03,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:28:03,318 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:28:03,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03 WrapperNode [2024-11-27 23:28:03,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:28:03,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:28:03,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:28:03,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:28:03,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,392 INFO L138 Inliner]: procedures = 31, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2024-11-27 23:28:03,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:28:03,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:28:03,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:28:03,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:28:03,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,434 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 35 writes are split as follows [0, 35]. [2024-11-27 23:28:03,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,458 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:28:03,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:28:03,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:28:03,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:28:03,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (1/1) ... [2024-11-27 23:28:03,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:28:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:03,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:03,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:28:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:28:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-27 23:28:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 23:28:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-27 23:28:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-27 23:28:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:28:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:28:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:28:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:28:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 23:28:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 23:28:03,754 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:28:03,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:28:17,288 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-27 23:28:17,288 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:28:17,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:28:17,302 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:28:17,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:28:17 BoogieIcfgContainer [2024-11-27 23:28:17,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:28:17,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:28:17,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:28:17,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:28:17,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:28:02" (1/3) ... [2024-11-27 23:28:17,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3e0404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:28:17, skipping insertion in model container [2024-11-27 23:28:17,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:28:03" (2/3) ... [2024-11-27 23:28:17,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3e0404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:28:17, skipping insertion in model container [2024-11-27 23:28:17,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:28:17" (3/3) ... [2024-11-27 23:28:17,314 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-34.i [2024-11-27 23:28:17,332 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:28:17,334 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-34.i that has 2 procedures, 120 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:28:17,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:28:17,406 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;@627955ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:28:17,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:28:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 23:28:17,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:17,426 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:17,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:17,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:17,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1856483357, now seen corresponding path program 1 times [2024-11-27 23:28:17,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:17,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409805388] [2024-11-27 23:28:17,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:17,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:17,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:17,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:17,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 23:28:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:18,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:28:18,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-27 23:28:18,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:18,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:18,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409805388] [2024-11-27 23:28:18,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409805388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:18,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:18,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:28:18,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888953544] [2024-11-27 23:28:18,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:18,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:28:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:18,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:28:18,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:28:18,220 INFO L87 Difference]: Start difference. First operand has 120 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:28:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:18,278 INFO L93 Difference]: Finished difference Result 233 states and 367 transitions. [2024-11-27 23:28:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:28:18,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 171 [2024-11-27 23:28:18,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:18,291 INFO L225 Difference]: With dead ends: 233 [2024-11-27 23:28:18,292 INFO L226 Difference]: Without dead ends: 116 [2024-11-27 23:28:18,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:28:18,299 INFO L435 NwaCegarLoop]: 168 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, 168 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:18,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:28:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-27 23:28:18,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-27 23:28:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-27 23:28:18,352 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 171 [2024-11-27 23:28:18,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:18,352 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-27 23:28:18,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:28:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-27 23:28:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 23:28:18,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:18,358 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:18,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 23:28:18,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:18,559 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:18,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:18,560 INFO L85 PathProgramCache]: Analyzing trace with hash 95317121, now seen corresponding path program 1 times [2024-11-27 23:28:18,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:18,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654733982] [2024-11-27 23:28:18,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:18,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:18,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:18,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:18,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 23:28:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:19,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:28:19,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:19,269 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:19,269 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:19,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654733982] [2024-11-27 23:28:19,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654733982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:19,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:19,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:28:19,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215125034] [2024-11-27 23:28:19,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:19,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:19,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:19,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:19,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:19,272 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:19,350 INFO L93 Difference]: Finished difference Result 227 states and 330 transitions. [2024-11-27 23:28:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:19,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 171 [2024-11-27 23:28:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:19,354 INFO L225 Difference]: With dead ends: 227 [2024-11-27 23:28:19,354 INFO L226 Difference]: Without dead ends: 114 [2024-11-27 23:28:19,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:19,356 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:19,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 321 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:28:19,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-27 23:28:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-27 23:28:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2024-11-27 23:28:19,389 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 171 [2024-11-27 23:28:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:19,392 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2024-11-27 23:28:19,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2024-11-27 23:28:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 23:28:19,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:19,400 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:19,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 23:28:19,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:19,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:19,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:19,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1527252011, now seen corresponding path program 1 times [2024-11-27 23:28:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:19,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440005995] [2024-11-27 23:28:19,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:19,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:19,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 23:28:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:20,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:28:20,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:20,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:20,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:20,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440005995] [2024-11-27 23:28:20,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440005995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:20,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:20,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:28:20,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712721818] [2024-11-27 23:28:20,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:20,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:28:20,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:20,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:28:20,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:28:20,422 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:20,542 INFO L93 Difference]: Finished difference Result 227 states and 328 transitions. [2024-11-27 23:28:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:28:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 173 [2024-11-27 23:28:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:20,547 INFO L225 Difference]: With dead ends: 227 [2024-11-27 23:28:20,550 INFO L226 Difference]: Without dead ends: 116 [2024-11-27 23:28:20,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:28:20,552 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:20,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:28:20,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-27 23:28:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-27 23:28:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-11-27 23:28:20,583 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 173 [2024-11-27 23:28:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:20,584 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-11-27 23:28:20,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-11-27 23:28:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-27 23:28:20,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:20,592 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:20,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-27 23:28:20,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:20,793 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:20,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2106472359, now seen corresponding path program 1 times [2024-11-27 23:28:20,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:20,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205836243] [2024-11-27 23:28:20,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:20,795 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:20,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:20,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:20,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-27 23:28:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:21,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:28:21,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:21,430 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:21,430 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:21,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205836243] [2024-11-27 23:28:21,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205836243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:21,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:21,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:28:21,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260391044] [2024-11-27 23:28:21,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:21,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:21,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:21,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:21,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:21,434 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:21,711 INFO L93 Difference]: Finished difference Result 273 states and 392 transitions. [2024-11-27 23:28:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-11-27 23:28:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:21,715 INFO L225 Difference]: With dead ends: 273 [2024-11-27 23:28:21,715 INFO L226 Difference]: Without dead ends: 160 [2024-11-27 23:28:21,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:21,717 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 72 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:21,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 345 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:28:21,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-27 23:28:21,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2024-11-27 23:28:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 107 states have (on average 1.3177570093457944) internal successors, (141), 107 states have internal predecessors, (141), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 187 transitions. [2024-11-27 23:28:21,731 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 187 transitions. Word has length 175 [2024-11-27 23:28:21,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:21,731 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 187 transitions. [2024-11-27 23:28:21,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 187 transitions. [2024-11-27 23:28:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-27 23:28:21,735 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:21,735 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:21,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:21,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:21,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:21,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:21,937 INFO L85 PathProgramCache]: Analyzing trace with hash -43148884, now seen corresponding path program 1 times [2024-11-27 23:28:21,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:21,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655144231] [2024-11-27 23:28:21,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:21,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:21,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:21,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:21,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 23:28:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:22,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:28:22,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:22,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:22,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:22,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655144231] [2024-11-27 23:28:22,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655144231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:22,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:28:22,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685928175] [2024-11-27 23:28:22,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:22,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:22,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:22,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:22,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:22,799 INFO L87 Difference]: Start difference. First operand 132 states and 187 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:22,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:22,877 INFO L93 Difference]: Finished difference Result 289 states and 410 transitions. [2024-11-27 23:28:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:22,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-11-27 23:28:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:22,881 INFO L225 Difference]: With dead ends: 289 [2024-11-27 23:28:22,882 INFO L226 Difference]: Without dead ends: 160 [2024-11-27 23:28:22,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:22,884 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 51 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:22,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 313 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:28:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-27 23:28:22,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2024-11-27 23:28:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 186 transitions. [2024-11-27 23:28:22,914 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 186 transitions. Word has length 177 [2024-11-27 23:28:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:22,914 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 186 transitions. [2024-11-27 23:28:22,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 186 transitions. [2024-11-27 23:28:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 23:28:22,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:22,920 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:22,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-27 23:28:23,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:23,121 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:23,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:23,121 INFO L85 PathProgramCache]: Analyzing trace with hash 617898223, now seen corresponding path program 1 times [2024-11-27 23:28:23,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:23,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319363704] [2024-11-27 23:28:23,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:23,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:23,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:23,125 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:23,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-27 23:28:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:23,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:28:23,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:23,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:23,722 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:23,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319363704] [2024-11-27 23:28:23,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319363704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:23,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:23,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:28:23,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306539064] [2024-11-27 23:28:23,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:23,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:23,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:23,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:23,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:23,725 INFO L87 Difference]: Start difference. First operand 132 states and 186 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:23,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:23,768 INFO L93 Difference]: Finished difference Result 259 states and 366 transitions. [2024-11-27 23:28:23,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:23,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 178 [2024-11-27 23:28:23,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:23,771 INFO L225 Difference]: With dead ends: 259 [2024-11-27 23:28:23,771 INFO L226 Difference]: Without dead ends: 130 [2024-11-27 23:28:23,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:23,773 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:23,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:28:23,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-27 23:28:23,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-27 23:28:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 182 transitions. [2024-11-27 23:28:23,785 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 182 transitions. Word has length 178 [2024-11-27 23:28:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:23,786 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 182 transitions. [2024-11-27 23:28:23,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 182 transitions. [2024-11-27 23:28:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:28:23,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:23,789 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:23,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:23,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:23,990 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:23,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:23,990 INFO L85 PathProgramCache]: Analyzing trace with hash -49751333, now seen corresponding path program 1 times [2024-11-27 23:28:23,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:23,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756664332] [2024-11-27 23:28:23,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:23,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:23,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-27 23:28:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:24,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:28:24,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:24,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 23:28:24,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-27 23:28:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:25,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:25,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:25,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756664332] [2024-11-27 23:28:25,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756664332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:25,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:25,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 23:28:25,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128416882] [2024-11-27 23:28:25,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:25,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:28:25,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:25,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:28:25,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:28:25,212 INFO L87 Difference]: Start difference. First operand 130 states and 182 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:29,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:34,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:38,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:39,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:39,234 INFO L93 Difference]: Finished difference Result 402 states and 564 transitions. [2024-11-27 23:28:39,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:28:39,235 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:28:39,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:39,238 INFO L225 Difference]: With dead ends: 402 [2024-11-27 23:28:39,238 INFO L226 Difference]: Without dead ends: 275 [2024-11-27 23:28:39,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:28:39,243 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 140 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:39,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1764 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-27 23:28:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-27 23:28:39,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 169. [2024-11-27 23:28:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 144 states have (on average 1.2916666666666667) internal successors, (186), 144 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:28:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 232 transitions. [2024-11-27 23:28:39,279 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 232 transitions. Word has length 180 [2024-11-27 23:28:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:39,280 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 232 transitions. [2024-11-27 23:28:39,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 232 transitions. [2024-11-27 23:28:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:28:39,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:39,285 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:39,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-27 23:28:39,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:39,488 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:39,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:39,489 INFO L85 PathProgramCache]: Analyzing trace with hash 64507231, now seen corresponding path program 1 times [2024-11-27 23:28:39,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:39,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760723200] [2024-11-27 23:28:39,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:39,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:39,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:39,492 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:39,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-27 23:28:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:40,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:28:40,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:28:40,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:28:40,219 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:40,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760723200] [2024-11-27 23:28:40,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760723200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:40,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:40,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:28:40,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613297522] [2024-11-27 23:28:40,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:40,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:40,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:40,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:40,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:40,221 INFO L87 Difference]: Start difference. First operand 169 states and 232 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:44,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:49,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:51,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:51,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:51,919 INFO L93 Difference]: Finished difference Result 382 states and 520 transitions. [2024-11-27 23:28:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:28:51,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:28:51,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:51,926 INFO L225 Difference]: With dead ends: 382 [2024-11-27 23:28:51,926 INFO L226 Difference]: Without dead ends: 216 [2024-11-27 23:28:51,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:28:51,929 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 44 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:51,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 628 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2024-11-27 23:28:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-27 23:28:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 210. [2024-11-27 23:28:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 182 states have (on average 1.2802197802197801) internal successors, (233), 183 states have internal predecessors, (233), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:28:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 283 transitions. [2024-11-27 23:28:51,947 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 283 transitions. Word has length 180 [2024-11-27 23:28:51,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:51,947 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 283 transitions. [2024-11-27 23:28:51,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:28:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 283 transitions. [2024-11-27 23:28:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:28:51,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:51,951 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:51,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-27 23:28:52,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:52,152 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:52,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:52,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1215356447, now seen corresponding path program 1 times [2024-11-27 23:28:52,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:52,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040464607] [2024-11-27 23:28:52,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:52,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:52,156 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:28:52,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-27 23:28:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:52,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-27 23:28:52,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:52,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 23:28:53,265 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 52 treesize of output 19 [2024-11-27 23:28:53,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-27 23:28:54,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:54,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2024-11-27 23:28:54,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:54,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-11-27 23:28:55,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:55,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 55 [2024-11-27 23:28:56,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:56,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-11-27 23:28:57,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:57,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2024-11-27 23:28:58,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:58,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2024-11-27 23:28:59,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:59,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2024-11-27 23:28:59,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:28:59,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2024-11-27 23:29:01,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:01,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2024-11-27 23:29:02,322 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 122 treesize of output 94 [2024-11-27 23:29:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:29:02,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:02,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 94 treesize of output 176 [2024-11-27 23:29:02,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2024-11-27 23:29:04,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:04,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 215 treesize of output 107 [2024-11-27 23:29:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 866 proven. 57 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-27 23:29:05,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:05,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:29:05,838 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:05,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040464607] [2024-11-27 23:29:05,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040464607] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:05,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:05,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 19 [2024-11-27 23:29:05,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168026758] [2024-11-27 23:29:05,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:05,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:29:05,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:05,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:29:05,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:29:05,841 INFO L87 Difference]: Start difference. First operand 210 states and 283 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:10,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:11,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:14,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:16,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:16,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:16,440 INFO L93 Difference]: Finished difference Result 546 states and 731 transitions. [2024-11-27 23:29:16,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:29:16,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:29:16,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:16,447 INFO L225 Difference]: With dead ends: 546 [2024-11-27 23:29:16,447 INFO L226 Difference]: Without dead ends: 339 [2024-11-27 23:29:16,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 340 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:29:16,449 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 56 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:16,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 434 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2024-11-27 23:29:16,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-27 23:29:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 272. [2024-11-27 23:29:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 244 states have (on average 1.290983606557377) internal successors, (315), 245 states have internal predecessors, (315), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:29:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2024-11-27 23:29:16,480 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 180 [2024-11-27 23:29:16,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:16,481 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2024-11-27 23:29:16,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2024-11-27 23:29:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:29:16,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:16,484 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:16,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-27 23:29:16,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:16,685 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:16,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash 2014025311, now seen corresponding path program 1 times [2024-11-27 23:29:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:29:16,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825320138] [2024-11-27 23:29:16,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:16,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:29:16,688 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:29:16,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-27 23:29:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:17,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:29:17,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:29:17,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:29:17,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:17,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825320138] [2024-11-27 23:29:17,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825320138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:17,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:17,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:29:17,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057221971] [2024-11-27 23:29:17,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:17,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:29:17,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:17,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:29:17,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:29:17,445 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:20,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:25,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:25,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:25,950 INFO L93 Difference]: Finished difference Result 552 states and 738 transitions. [2024-11-27 23:29:25,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:29:25,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:29:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:25,954 INFO L225 Difference]: With dead ends: 552 [2024-11-27 23:29:25,954 INFO L226 Difference]: Without dead ends: 283 [2024-11-27 23:29:25,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:29:25,956 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 66 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:25,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 603 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 230 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-11-27 23:29:25,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-27 23:29:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 243. [2024-11-27 23:29:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 215 states have (on average 1.283720930232558) internal successors, (276), 216 states have internal predecessors, (276), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:29:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2024-11-27 23:29:25,970 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 180 [2024-11-27 23:29:25,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:25,971 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2024-11-27 23:29:25,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2024-11-27 23:29:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:29:25,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:25,973 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:25,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-27 23:29:26,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:26,173 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:26,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:26,174 INFO L85 PathProgramCache]: Analyzing trace with hash 170846947, now seen corresponding path program 1 times [2024-11-27 23:29:26,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:29:26,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572621005] [2024-11-27 23:29:26,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:29:26,177 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:29:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-27 23:29:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:26,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 23:29:26,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:26,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:29:27,126 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 0 case distinctions, treesize of input 26 treesize of output 25 [2024-11-27 23:29:27,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:27,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 28 [2024-11-27 23:29:27,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:27,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-11-27 23:29:28,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:28,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2024-11-27 23:29:28,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:28,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 64 [2024-11-27 23:29:29,509 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:29,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 77 [2024-11-27 23:29:30,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:30,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2024-11-27 23:29:31,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:31,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2024-11-27 23:29:31,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:31,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2024-11-27 23:29:32,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:32,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 90 [2024-11-27 23:29:33,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:33,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 103 [2024-11-27 23:29:34,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:34,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 101 treesize of output 106 [2024-11-27 23:29:35,609 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 133 treesize of output 103 [2024-11-27 23:29:35,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:29:35,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:35,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 103 treesize of output 195 [2024-11-27 23:29:35,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 73 [2024-11-27 23:29:38,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:38,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 235 treesize of output 103 [2024-11-27 23:29:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 804 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 23:29:38,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:29:39,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:39,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572621005] [2024-11-27 23:29:39,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572621005] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:39,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:39,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 19 [2024-11-27 23:29:39,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377382993] [2024-11-27 23:29:39,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:39,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:29:39,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:39,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:29:39,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:29:39,072 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:42,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:44,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:44,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:44,574 INFO L93 Difference]: Finished difference Result 593 states and 791 transitions. [2024-11-27 23:29:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:29:44,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:29:44,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:44,577 INFO L225 Difference]: With dead ends: 593 [2024-11-27 23:29:44,578 INFO L226 Difference]: Without dead ends: 353 [2024-11-27 23:29:44,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:29:44,579 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 87 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:44,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 371 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-27 23:29:44,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-27 23:29:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 301. [2024-11-27 23:29:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.2857142857142858) internal successors, (351), 274 states have internal predecessors, (351), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:29:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 401 transitions. [2024-11-27 23:29:44,595 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 401 transitions. Word has length 180 [2024-11-27 23:29:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:44,597 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 401 transitions. [2024-11-27 23:29:44,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 401 transitions. [2024-11-27 23:29:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:29:44,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:44,599 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:44,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:44,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:44,800 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:44,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:44,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2094074981, now seen corresponding path program 1 times [2024-11-27 23:29:44,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:29:44,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611672292] [2024-11-27 23:29:44,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:44,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:44,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:29:44,803 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:29:44,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-27 23:29:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:45,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:29:45,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:29:45,544 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:29:45,544 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:45,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611672292] [2024-11-27 23:29:45,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611672292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:45,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:45,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:29:45,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619324461] [2024-11-27 23:29:45,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:45,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:29:45,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:45,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:29:45,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:29:45,546 INFO L87 Difference]: Start difference. First operand 301 states and 401 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:50,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:51,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:51,749 INFO L93 Difference]: Finished difference Result 610 states and 805 transitions. [2024-11-27 23:29:51,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:29:51,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:29:51,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:51,752 INFO L225 Difference]: With dead ends: 610 [2024-11-27 23:29:51,752 INFO L226 Difference]: Without dead ends: 312 [2024-11-27 23:29:51,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:29:51,754 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 66 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:51,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 736 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-27 23:29:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-27 23:29:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 239. [2024-11-27 23:29:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 213 states have (on average 1.272300469483568) internal successors, (271), 213 states have internal predecessors, (271), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:29:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 317 transitions. [2024-11-27 23:29:51,767 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 317 transitions. Word has length 180 [2024-11-27 23:29:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:51,768 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 317 transitions. [2024-11-27 23:29:51,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:29:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 317 transitions. [2024-11-27 23:29:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:29:51,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:51,770 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:51,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-27 23:29:51,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:51,971 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:51,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:51,971 INFO L85 PathProgramCache]: Analyzing trace with hash -894738591, now seen corresponding path program 1 times [2024-11-27 23:29:51,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:29:51,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546146390] [2024-11-27 23:29:51,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:51,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:51,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:29:51,974 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:29:51,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-27 23:29:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:52,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-27 23:29:52,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:52,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-27 23:29:52,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2024-11-27 23:29:57,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:57,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2024-11-27 23:29:57,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:57,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 64 [2024-11-27 23:29:58,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:58,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 77 [2024-11-27 23:29:59,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:29:59,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 90 [2024-11-27 23:30:00,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:00,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 103 [2024-11-27 23:30:01,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:01,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 101 treesize of output 106 [2024-11-27 23:30:01,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:01,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 116 [2024-11-27 23:30:03,031 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:03,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 111 treesize of output 119 [2024-11-27 23:30:03,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:03,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 111 treesize of output 119 [2024-11-27 23:30:05,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:05,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 111 treesize of output 119 [2024-11-27 23:30:06,166 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 131 treesize of output 101 [2024-11-27 23:30:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:30:06,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:06,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 101 treesize of output 207 [2024-11-27 23:30:06,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 100 [2024-11-27 23:30:08,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:08,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 231 treesize of output 99 [2024-11-27 23:30:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 840 proven. 57 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-27 23:30:08,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:30:13,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546146390] [2024-11-27 23:30:13,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546146390] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:13,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:13,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 19 [2024-11-27 23:30:13,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268645430] [2024-11-27 23:30:13,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:13,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:13,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:13,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:13,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=245, Unknown=2, NotChecked=0, Total=342 [2024-11-27 23:30:13,358 INFO L87 Difference]: Start difference. First operand 239 states and 317 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:30:16,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:23,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:23,521 INFO L93 Difference]: Finished difference Result 509 states and 671 transitions. [2024-11-27 23:30:23,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:23,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:30:23,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:23,524 INFO L225 Difference]: With dead ends: 509 [2024-11-27 23:30:23,524 INFO L226 Difference]: Without dead ends: 273 [2024-11-27 23:30:23,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=101, Invalid=276, Unknown=3, NotChecked=0, Total=380 [2024-11-27 23:30:23,526 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 105 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:23,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 444 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-27 23:30:23,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-27 23:30:23,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 237. [2024-11-27 23:30:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 211 states have (on average 1.2606635071090047) internal successors, (266), 211 states have internal predecessors, (266), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:30:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 312 transitions. [2024-11-27 23:30:23,545 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 312 transitions. Word has length 180 [2024-11-27 23:30:23,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:23,546 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 312 transitions. [2024-11-27 23:30:23,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:30:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 312 transitions. [2024-11-27 23:30:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:30:23,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:23,549 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:23,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:23,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:23,750 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:23,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:23,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2120365027, now seen corresponding path program 1 times [2024-11-27 23:30:23,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:23,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927315840] [2024-11-27 23:30:23,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:23,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:23,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:23,752 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:30:23,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-27 23:30:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:24,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:30:24,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:24,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 23:30:24,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-27 23:30:25,059 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:25,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 37 [2024-11-27 23:30:29,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:29,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:30:29,885 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:29,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-27 23:30:30,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:30,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-11-27 23:30:31,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:31,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2024-11-27 23:30:32,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:32,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2024-11-27 23:30:33,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:33,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 85 treesize of output 102 [2024-11-27 23:30:34,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:34,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 100 treesize of output 105 [2024-11-27 23:30:35,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:35,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 100 treesize of output 105 [2024-11-27 23:30:35,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:35,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 95 treesize of output 115 [2024-11-27 23:30:37,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:37,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 118 [2024-11-27 23:30:38,604 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 141 treesize of output 109 [2024-11-27 23:30:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:30:38,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:38,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 109 treesize of output 211 [2024-11-27 23:30:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:30:39,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 92 [2024-11-27 23:30:41,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:41,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 251 treesize of output 107 [2024-11-27 23:30:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 852 proven. 63 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-27 23:30:41,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:30:42,345 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:42,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927315840] [2024-11-27 23:30:42,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927315840] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:42,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:42,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 21 [2024-11-27 23:30:42,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975402298] [2024-11-27 23:30:42,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:42,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:42,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:42,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:42,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=295, Unknown=1, NotChecked=0, Total=420 [2024-11-27 23:30:42,347 INFO L87 Difference]: Start difference. First operand 237 states and 312 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:30:44,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:47,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:47,633 INFO L93 Difference]: Finished difference Result 495 states and 651 transitions. [2024-11-27 23:30:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:30:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:47,636 INFO L225 Difference]: With dead ends: 495 [2024-11-27 23:30:47,636 INFO L226 Difference]: Without dead ends: 261 [2024-11-27 23:30:47,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=129, Invalid=332, Unknown=1, NotChecked=0, Total=462 [2024-11-27 23:30:47,638 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 87 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:47,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 426 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-27 23:30:47,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-27 23:30:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 235. [2024-11-27 23:30:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 209 states have (on average 1.2535885167464116) internal successors, (262), 209 states have internal predecessors, (262), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:30:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 308 transitions. [2024-11-27 23:30:47,650 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 308 transitions. Word has length 180 [2024-11-27 23:30:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:47,650 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 308 transitions. [2024-11-27 23:30:47,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:30:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 308 transitions. [2024-11-27 23:30:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:30:47,652 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:47,652 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:47,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:47,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:47,853 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:47,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1533559013, now seen corresponding path program 1 times [2024-11-27 23:30:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:47,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285553536] [2024-11-27 23:30:47,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:47,857 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:30:47,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-27 23:30:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:48,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:30:48,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:30:48,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:48,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:48,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285553536] [2024-11-27 23:30:48,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285553536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:48,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:48,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:30:48,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176575486] [2024-11-27 23:30:48,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:48,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:48,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:48,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:48,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:48,573 INFO L87 Difference]: Start difference. First operand 235 states and 308 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:30:51,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:55,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:59,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:59,740 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2024-11-27 23:30:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:59,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:30:59,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:59,742 INFO L225 Difference]: With dead ends: 503 [2024-11-27 23:30:59,742 INFO L226 Difference]: Without dead ends: 271 [2024-11-27 23:30:59,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:30:59,743 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 41 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:59,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 690 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-27 23:30:59,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-27 23:30:59,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 235. [2024-11-27 23:30:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 209 states have (on average 1.2488038277511961) internal successors, (261), 209 states have internal predecessors, (261), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:30:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 307 transitions. [2024-11-27 23:30:59,755 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 307 transitions. Word has length 180 [2024-11-27 23:30:59,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:59,757 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 307 transitions. [2024-11-27 23:30:59,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:30:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 307 transitions. [2024-11-27 23:30:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:30:59,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:59,760 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:59,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-27 23:30:59,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:59,961 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:59,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2060343705, now seen corresponding path program 1 times [2024-11-27 23:30:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:59,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073943831] [2024-11-27 23:30:59,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:59,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:59,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:59,966 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:30:59,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-27 23:31:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:00,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:31:00,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:00,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:31:01,092 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 42 treesize of output 20 [2024-11-27 23:31:01,269 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 42 treesize of output 20 [2024-11-27 23:31:01,445 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 42 treesize of output 20 [2024-11-27 23:31:01,623 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 42 treesize of output 20 [2024-11-27 23:31:01,801 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 42 treesize of output 20 [2024-11-27 23:31:01,998 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 37 treesize of output 30 [2024-11-27 23:31:02,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:02,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2024-11-27 23:31:02,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:02,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 56 [2024-11-27 23:31:03,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:03,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 59 [2024-11-27 23:31:04,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:04,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 69 [2024-11-27 23:31:05,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:05,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 100 treesize of output 46 [2024-11-27 23:31:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 679 proven. 96 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-27 23:31:05,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:31:07,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:07,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073943831] [2024-11-27 23:31:07,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073943831] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:07,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:07,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 25 [2024-11-27 23:31:07,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834341231] [2024-11-27 23:31:07,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:07,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:31:07,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:07,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:31:07,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:31:07,217 INFO L87 Difference]: Start difference. First operand 235 states and 307 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:12,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:14,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:19,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:22,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:24,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:25,165 INFO L93 Difference]: Finished difference Result 512 states and 669 transitions. [2024-11-27 23:31:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:31:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:31:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:25,168 INFO L225 Difference]: With dead ends: 512 [2024-11-27 23:31:25,168 INFO L226 Difference]: Without dead ends: 280 [2024-11-27 23:31:25,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:31:25,170 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 66 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:25,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1295 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 505 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2024-11-27 23:31:25,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-27 23:31:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 277. [2024-11-27 23:31:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 244 states have (on average 1.2540983606557377) internal successors, (306), 245 states have internal predecessors, (306), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-27 23:31:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 362 transitions. [2024-11-27 23:31:25,191 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 362 transitions. Word has length 180 [2024-11-27 23:31:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:25,192 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 362 transitions. [2024-11-27 23:31:25,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 362 transitions. [2024-11-27 23:31:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:31:25,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:25,194 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:25,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-27 23:31:25,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:25,395 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:25,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash -371150636, now seen corresponding path program 1 times [2024-11-27 23:31:25,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:25,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918686311] [2024-11-27 23:31:25,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:25,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:25,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:25,399 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:31:25,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-27 23:31:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:26,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:31:26,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:26,124 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 130 treesize of output 21 [2024-11-27 23:31:26,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:26,231 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 31 treesize of output 13 [2024-11-27 23:31:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:31:27,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:31:27,059 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:27,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918686311] [2024-11-27 23:31:27,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918686311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:27,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:27,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:31:27,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369696745] [2024-11-27 23:31:27,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:27,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:31:27,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:27,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:31:27,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:31:27,061 INFO L87 Difference]: Start difference. First operand 277 states and 362 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:31,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:36,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:36,016 INFO L93 Difference]: Finished difference Result 672 states and 877 transitions. [2024-11-27 23:31:36,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:31:36,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-27 23:31:36,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:36,041 INFO L225 Difference]: With dead ends: 672 [2024-11-27 23:31:36,041 INFO L226 Difference]: Without dead ends: 398 [2024-11-27 23:31:36,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:31:36,042 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 81 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 21 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:36,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 384 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-27 23:31:36,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-27 23:31:36,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 344. [2024-11-27 23:31:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 286 states have internal predecessors, (350), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:31:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 452 transitions. [2024-11-27 23:31:36,066 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 452 transitions. Word has length 180 [2024-11-27 23:31:36,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:36,067 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 452 transitions. [2024-11-27 23:31:36,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 452 transitions. [2024-11-27 23:31:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-27 23:31:36,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:36,070 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:36,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-27 23:31:36,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:36,271 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:36,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:36,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1236375162, now seen corresponding path program 1 times [2024-11-27 23:31:36,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:36,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299828442] [2024-11-27 23:31:36,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:36,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:36,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:36,277 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:31:36,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-27 23:31:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:36,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:31:36,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:31:36,903 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:31:36,903 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:36,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299828442] [2024-11-27 23:31:36,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299828442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:36,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:36,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:31:36,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884470801] [2024-11-27 23:31:36,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:36,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:31:36,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:36,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:31:36,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:31:36,905 INFO L87 Difference]: Start difference. First operand 344 states and 452 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:37,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:37,012 INFO L93 Difference]: Finished difference Result 624 states and 819 transitions. [2024-11-27 23:31:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:31:37,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-27 23:31:37,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:37,015 INFO L225 Difference]: With dead ends: 624 [2024-11-27 23:31:37,015 INFO L226 Difference]: Without dead ends: 350 [2024-11-27 23:31:37,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:31:37,017 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:37,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:31:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-27 23:31:37,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-11-27 23:31:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 291 states have (on average 1.2233676975945018) internal successors, (356), 292 states have internal predecessors, (356), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:31:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 458 transitions. [2024-11-27 23:31:37,039 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 458 transitions. Word has length 182 [2024-11-27 23:31:37,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:37,039 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 458 transitions. [2024-11-27 23:31:37,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 458 transitions. [2024-11-27 23:31:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:31:37,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:37,042 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:37,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-27 23:31:37,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:37,246 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:37,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:37,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1917092673, now seen corresponding path program 1 times [2024-11-27 23:31:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285849943] [2024-11-27 23:31:37,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:37,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:37,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:31:37,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-27 23:31:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:38,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:31:38,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:38,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-27 23:31:38,665 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 42 treesize of output 20 [2024-11-27 23:31:38,902 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 44 treesize of output 31 [2024-11-27 23:31:39,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 60 [2024-11-27 23:31:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:31:39,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:39,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 88 [2024-11-27 23:31:39,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 [2024-11-27 23:31:41,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:41,131 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 150 treesize of output 66 [2024-11-27 23:31:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 293 proven. 12 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-27 23:31:41,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:31:42,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:42,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285849943] [2024-11-27 23:31:42,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285849943] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:42,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:42,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 20 [2024-11-27 23:31:42,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376036888] [2024-11-27 23:31:42,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:42,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:31:42,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:42,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:31:42,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:31:42,605 INFO L87 Difference]: Start difference. First operand 350 states and 458 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:47,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:51,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:31:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:53,418 INFO L93 Difference]: Finished difference Result 629 states and 817 transitions. [2024-11-27 23:31:53,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:31:53,419 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-11-27 23:31:53,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:53,421 INFO L225 Difference]: With dead ends: 629 [2024-11-27 23:31:53,421 INFO L226 Difference]: Without dead ends: 627 [2024-11-27 23:31:53,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:31:53,423 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 95 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:53,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 958 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 354 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2024-11-27 23:31:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-27 23:31:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 624. [2024-11-27 23:31:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 537 states have (on average 1.229050279329609) internal successors, (660), 540 states have internal predecessors, (660), 75 states have call successors, (75), 11 states have call predecessors, (75), 11 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:31:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 810 transitions. [2024-11-27 23:31:53,471 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 810 transitions. Word has length 184 [2024-11-27 23:31:53,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:53,471 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 810 transitions. [2024-11-27 23:31:53,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-27 23:31:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 810 transitions. [2024-11-27 23:31:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:31:53,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:53,473 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:53,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-27 23:31:53,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:53,674 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:53,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:53,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1073087171, now seen corresponding path program 1 times [2024-11-27 23:31:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260160996] [2024-11-27 23:31:53,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:53,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:53,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:53,677 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:31:53,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac838c0c-2191-40e5-9f2a-0bc90830e4dc/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-27 23:32:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:02,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-27 23:32:02,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:03,012 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 105 treesize of output 104 [2024-11-27 23:32:03,591 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 172 treesize of output 151 [2024-11-27 23:32:05,008 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 172 treesize of output 151 [2024-11-27 23:32:06,395 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 173 treesize of output 152 [2024-11-27 23:32:09,406 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 269 treesize of output 228 [2024-11-27 23:32:12,496 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 157 treesize of output 142 [2024-11-27 23:32:15,975 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 157 treesize of output 140 [2024-11-27 23:32:19,508 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 152 treesize of output 137 [2024-11-27 23:32:23,835 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 157 treesize of output 142 [2024-11-27 23:32:28,941 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 157 treesize of output 140 [2024-11-27 23:32:36,304 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 157 treesize of output 140 [2024-11-27 23:32:53,200 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 162 treesize of output 145 [2024-11-27 23:33:22,664 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 0 case distinctions, treesize of input 162 treesize of output 143 [2024-11-27 23:36:15,290 WARN L286 SmtUtils]: Spent 14.73s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 23:36:22,219 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:36:43,384 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:02,518 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:13,306 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:25,892 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:32,205 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:41,128 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:49,239 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:37:55,736 WARN L286 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:38:16,977 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:38:23,397 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:38:36,513 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 328 treesize of output 264 [2024-11-27 23:39:00,681 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse25 (bvadd (_ bv27 32) |c_~#WrapperStruct00~0.offset|)) (.cse21 (bvadd (_ bv24 32) |c_~#WrapperStruct00~0.offset|)) (.cse17 (bvadd (_ bv20 32) |c_~#WrapperStruct00~0.offset|)) (.cse10 (bvadd (_ bv29 32) |c_~#WrapperStruct00~0.offset|)) (.cse6 (bvadd (_ bv9 32) |c_~#WrapperStruct00~0.offset|)) (.cse29 (select |c_#memory_int#1| |c_~#WrapperStruct00~0.base|)) (.cse4 (bvadd (_ bv8 32) |c_~#WrapperStruct00~0.offset|))) (let ((.cse35 ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 5.0))) (.cse31 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)))) (.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (.cse2 (bvadd (_ bv4 32) |c_~#WrapperStruct00~0.offset|)) (.cse5 (select .cse29 .cse4)) (.cse7 (select .cse29 .cse6)) (.cse8 (bvadd (_ bv22 32) |c_~#WrapperStruct00~0.offset|)) (.cse9 ((_ sign_extend 24) (_ bv10 8))) (.cse11 (select .cse29 .cse10)) (.cse12 (bvadd (_ bv10 32) |c_~#WrapperStruct00~0.offset|)) (.cse14 (bvadd (_ bv14 32) |c_~#WrapperStruct00~0.offset|)) (.cse16 (bvadd (_ bv19 32) |c_~#WrapperStruct00~0.offset|)) (.cse18 (select .cse29 .cse17)) (.cse19 (bvadd (_ bv21 32) |c_~#WrapperStruct00~0.offset|)) (.cse20 (bvadd (_ bv23 32) |c_~#WrapperStruct00~0.offset|)) (.cse22 (select .cse29 .cse21)) (.cse23 (bvadd (_ bv25 32) |c_~#WrapperStruct00~0.offset|)) (.cse24 (bvadd (_ bv26 32) |c_~#WrapperStruct00~0.offset|)) (.cse26 (select .cse29 .cse25)) (.cse27 (bvadd (_ bv28 32) |c_~#WrapperStruct00~0.offset|)) (.cse28 (bvadd (_ bv18 32) |c_~#WrapperStruct00~0.offset|))) (or (exists ((v_skolemized_v_prenex_1_23 (_ BitVec 64))) (and (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64))) (let ((.cse15 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|)) (.cse13 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|))) (let ((.cse30 (let ((.cse34 (concat .cse15 .cse13))) (fp ((_ extract 63 63) .cse34) ((_ extract 62 52) .cse34) ((_ extract 51 0) .cse34)))) (.cse3 ((_ extract 63 32) v_skolemized_v_prenex_1_23)) (.cse1 ((_ extract 31 0) v_skolemized_v_prenex_1_23))) (and (exists ((|v_ULTIMATE.start_updateVariables_#t~nondet47#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet62#1_27| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet53#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet65#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet56#1_30| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet71#1_30| (_ BitVec 8))) (= (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse0 |c_~#WrapperStruct00~0.offset| .cse1) .cse2 .cse3) .cse4 .cse5) .cse6 .cse7) .cse8 .cse9) .cse10 .cse11) .cse12 .cse13) .cse14 .cse15) .cse16 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet47#1_29|)) .cse17 .cse18) .cse19 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet53#1_29|)) .cse20 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet56#1_30|)) .cse21 .cse22) .cse23 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet62#1_27|)) .cse24 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet65#1_29|)) .cse25 .cse26) .cse27 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet71#1_30|)) .cse28 ((_ sign_extend 24) (_ bv0 8))) .cse29)) (fp.geq .cse30 .cse31) (not (let ((.cse32 (let ((.cse33 (concat .cse3 .cse1))) (fp ((_ extract 63 63) .cse33) ((_ extract 62 52) .cse33) ((_ extract 51 0) .cse33))))) (fp.geq .cse32 (fp.neg (fp.mul c_currentRoundingMode .cse30 .cse32))))))))) (= .cse35 (fp ((_ extract 63 63) v_skolemized_v_prenex_1_23) ((_ extract 62 52) v_skolemized_v_prenex_1_23) ((_ extract 51 0) v_skolemized_v_prenex_1_23))))) (exists ((v_skolemized_v_prenex_1_23 (_ BitVec 64))) (and (= .cse35 (fp ((_ extract 63 63) v_skolemized_v_prenex_1_23) ((_ extract 62 52) v_skolemized_v_prenex_1_23) ((_ extract 51 0) v_skolemized_v_prenex_1_23))) (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64))) (let ((.cse42 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|)) (.cse41 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|))) (let ((.cse36 (let ((.cse43 (concat .cse42 .cse41))) (fp ((_ extract 63 63) .cse43) ((_ extract 62 52) .cse43) ((_ extract 51 0) .cse43)))) (.cse40 ((_ extract 31 0) v_skolemized_v_prenex_1_23)) (.cse39 ((_ extract 63 32) v_skolemized_v_prenex_1_23))) (and (fp.geq .cse36 .cse31) (not (let ((.cse37 (let ((.cse38 (concat .cse39 .cse40))) (fp ((_ extract 63 63) .cse38) ((_ extract 62 52) .cse38) ((_ extract 51 0) .cse38))))) (fp.geq .cse37 (fp.neg (fp.mul c_currentRoundingMode .cse36 .cse37))))) (exists ((|v_ULTIMATE.start_updateVariables_#t~nondet47#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet62#1_27| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet53#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet65#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet56#1_30| (_ BitVec 8)) (|v_ULTIMATE.start_updateVariables_#t~nondet71#1_30| (_ BitVec 8))) (= .cse29 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse0 |c_~#WrapperStruct00~0.offset| .cse40) .cse2 .cse39) .cse4 .cse5) .cse6 .cse7) .cse8 .cse9) .cse10 .cse11) .cse12 .cse41) .cse14 .cse42) .cse16 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet47#1_29|)) .cse17 .cse18) .cse19 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet53#1_29|)) .cse20 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet56#1_30|)) .cse21 .cse22) .cse23 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet62#1_27|)) .cse24 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet65#1_29|)) .cse25 .cse26) .cse27 ((_ sign_extend 24) |v_ULTIMATE.start_updateVariables_#t~nondet71#1_30|)) .cse28 ((_ sign_extend 24) (_ bv1 8)))))))))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false