./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:15:37,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:15:37,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:15:37,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:15:37,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:15:37,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:15:37,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:15:37,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:15:37,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:15:37,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:15:37,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:15:37,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:15:37,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:15:37,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:15:37,322 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:15:37,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:15:37,323 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:15:37,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:15:37,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:15:37,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:15:37,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:15:37,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:15:37,326 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:15:37,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:15:37,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:15:37,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:15:37,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:15:37,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:15:37,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:15:37,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:15:37,327 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc [2024-11-23 23:15:37,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:15:37,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:15:37,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:15:37,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:15:37,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:15:37,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-11-23 23:15:40,599 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/14237ff40/3034669b4aa74e7bbf5f428341a5978b/FLAGd884b2242 [2024-11-23 23:15:40,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:15:40,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-11-23 23:15:40,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/14237ff40/3034669b4aa74e7bbf5f428341a5978b/FLAGd884b2242 [2024-11-23 23:15:40,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/14237ff40/3034669b4aa74e7bbf5f428341a5978b [2024-11-23 23:15:40,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:15:40,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:15:40,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:15:40,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:15:40,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:15:40,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:15:40" (1/1) ... [2024-11-23 23:15:40,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbbca02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:40, skipping insertion in model container [2024-11-23 23:15:40,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:15:40" (1/1) ... [2024-11-23 23:15:40,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:15:41,146 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-11-23 23:15:41,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:15:41,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:15:41,256 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-11-23 23:15:41,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:15:41,330 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:15:41,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41 WrapperNode [2024-11-23 23:15:41,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:15:41,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:15:41,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:15:41,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:15:41,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,437 INFO L138 Inliner]: procedures = 30, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-11-23 23:15:41,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:15:41,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:15:41,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:15:41,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:15:41,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,497 INFO L175 MemorySlicer]: Split 148 memory accesses to 7 slices as follows [2, 35, 5, 27, 3, 73, 3]. 49 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 4, 1, 2, 1, 0, 1]. The 35 writes are split as follows [0, 6, 1, 2, 1, 24, 1]. [2024-11-23 23:15:41,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:15:41,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:15:41,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:15:41,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:15:41,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (1/1) ... [2024-11-23 23:15:41,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:15:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:15:41,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:15:41,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:15:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:15:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:15:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 23:15:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 23:15:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 23:15:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 23:15:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 23:15:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-23 23:15:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:15:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:15:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:15:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:15:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:15:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:15:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:15:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 23:15:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 23:15:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 23:15:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 23:15:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:15:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:15:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:15:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:15:41,859 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:15:41,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:15:42,750 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-23 23:15:42,751 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:15:42,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:15:42,771 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:15:42,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:42 BoogieIcfgContainer [2024-11-23 23:15:42,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:15:42,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:15:42,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:15:42,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:15:42,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:15:40" (1/3) ... [2024-11-23 23:15:42,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0b9192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:15:42, skipping insertion in model container [2024-11-23 23:15:42,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:41" (2/3) ... [2024-11-23 23:15:42,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0b9192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:15:42, skipping insertion in model container [2024-11-23 23:15:42,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:42" (3/3) ... [2024-11-23 23:15:42,781 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-61.i [2024-11-23 23:15:42,798 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:15:42,799 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-61.i that has 2 procedures, 120 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:15:42,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:15:42,886 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;@2583335d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:15:42,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:15:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:15:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:15:42,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:42,909 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:42,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:42,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:42,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1550515261, now seen corresponding path program 1 times [2024-11-23 23:15:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966922946] [2024-11-23 23:15:42,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:42,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-23 23:15:43,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:15:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966922946] [2024-11-23 23:15:43,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966922946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:43,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399468287] [2024-11-23 23:15:43,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:15:43,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:15:43,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:15:43,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:15:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:43,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:15:43,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-23 23:15:43,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:43,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399468287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:43,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:15:43,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:15:43,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506910847] [2024-11-23 23:15:43,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:43,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:15:43,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:43,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:15:43,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:15:43,923 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:15:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:43,969 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-11-23 23:15:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:15:43,972 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-23 23:15:43,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:43,981 INFO L225 Difference]: With dead ends: 233 [2024-11-23 23:15:43,981 INFO L226 Difference]: Without dead ends: 116 [2024-11-23 23:15:43,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:15:43,992 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 [2024-11-23 23:15:43,994 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] [2024-11-23 23:15:44,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-23 23:15:44,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-23 23:15:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:15:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-23 23:15:44,050 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-11-23 23:15:44,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:44,051 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-23 23:15:44,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:15:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-23 23:15:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:15:44,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:44,056 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:44,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:15:44,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:15:44,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:44,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:44,262 INFO L85 PathProgramCache]: Analyzing trace with hash 615561193, now seen corresponding path program 1 times [2024-11-23 23:15:44,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:44,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813501564] [2024-11-23 23:15:44,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:44,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:15:44,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:15:44,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813501564] [2024-11-23 23:15:44,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813501564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:44,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:44,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:15:44,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195173883] [2024-11-23 23:15:44,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:44,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:15:44,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:44,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:15:44,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:15:44,935 INFO L87 Difference]: Start difference. First operand 116 states and 168 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:15:45,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:45,010 INFO L93 Difference]: Finished difference Result 232 states and 337 transitions. [2024-11-23 23:15:45,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:15:45,010 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:15:45,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:45,013 INFO L225 Difference]: With dead ends: 232 [2024-11-23 23:15:45,013 INFO L226 Difference]: Without dead ends: 119 [2024-11-23 23:15:45,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:15:45,019 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:45,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 484 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:15:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-23 23:15:45,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-11-23 23:15:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:15:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-11-23 23:15:45,047 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-11-23 23:15:45,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:45,053 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-11-23 23:15:45,053 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:15:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-11-23 23:15:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:15:45,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:45,060 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:45,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:15:45,061 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:45,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1295619563, now seen corresponding path program 1 times [2024-11-23 23:15:45,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:45,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507399427] [2024-11-23 23:15:45,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:45,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:15:45,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:15:45,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507399427] [2024-11-23 23:15:45,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507399427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:45,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:45,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:15:45,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729444759] [2024-11-23 23:15:45,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:45,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:15:45,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:45,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:15:45,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:15:45,546 INFO L87 Difference]: Start difference. First operand 118 states and 170 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:15:45,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:45,605 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2024-11-23 23:15:45,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:15:45,606 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:15:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:45,608 INFO L225 Difference]: With dead ends: 236 [2024-11-23 23:15:45,609 INFO L226 Difference]: Without dead ends: 121 [2024-11-23 23:15:45,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:15:45,615 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:45,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:15:45,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-23 23:15:45,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-23 23:15:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:15:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-23 23:15:45,637 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 190 [2024-11-23 23:15:45,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:45,638 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-23 23:15:45,639 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:15:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-23 23:15:45,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:15:45,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:45,646 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:45,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:15:45,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:45,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:45,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1297466605, now seen corresponding path program 1 times [2024-11-23 23:15:45,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:45,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967316877] [2024-11-23 23:15:45,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:45,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:15:46,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:15:46,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967316877] [2024-11-23 23:15:46,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967316877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:46,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:46,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:15:46,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500555578] [2024-11-23 23:15:46,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:46,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:15:46,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:46,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:15:46,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:15:46,543 INFO L87 Difference]: Start difference. First operand 120 states and 172 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:15:46,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:46,815 INFO L93 Difference]: Finished difference Result 291 states and 418 transitions. [2024-11-23 23:15:46,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:15:46,816 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:15:46,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:46,818 INFO L225 Difference]: With dead ends: 291 [2024-11-23 23:15:46,818 INFO L226 Difference]: Without dead ends: 174 [2024-11-23 23:15:46,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:15:46,822 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 70 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:46,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 576 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:15:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-23 23:15:46,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2024-11-23 23:15:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.305263157894737) internal successors, (124), 95 states have internal predecessors, (124), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:15:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-23 23:15:46,844 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 190 [2024-11-23 23:15:46,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:46,845 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-23 23:15:46,845 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:15:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-23 23:15:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:15:46,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:46,848 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:46,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:15:46,848 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:46,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1611297297, now seen corresponding path program 1 times [2024-11-23 23:15:46,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:46,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983243711] [2024-11-23 23:15:46,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:46,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:15:49,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:15:49,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983243711] [2024-11-23 23:15:49,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983243711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:49,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:15:49,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:15:49,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551404353] [2024-11-23 23:15:49,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:49,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:15:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:49,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:15:49,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:15:49,376 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:15:49,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:49,745 INFO L93 Difference]: Finished difference Result 297 states and 421 transitions. [2024-11-23 23:15:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:15:49,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-23 23:15:49,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:49,748 INFO L225 Difference]: With dead ends: 297 [2024-11-23 23:15:49,748 INFO L226 Difference]: Without dead ends: 178 [2024-11-23 23:15:49,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:15:49,749 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 66 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:49,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 994 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:15:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-23 23:15:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2024-11-23 23:15:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 146 states have internal predecessors, (193), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:15:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 247 transitions. [2024-11-23 23:15:49,765 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 247 transitions. Word has length 190 [2024-11-23 23:15:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:49,766 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 247 transitions. [2024-11-23 23:15:49,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:15:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 247 transitions. [2024-11-23 23:15:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:15:49,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:49,769 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:49,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:15:49,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:49,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:49,770 INFO L85 PathProgramCache]: Analyzing trace with hash 689525293, now seen corresponding path program 1 times [2024-11-23 23:15:49,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:49,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997729939] [2024-11-23 23:15:49,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:49,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-23 23:15:51,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:15:51,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997729939] [2024-11-23 23:15:51,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997729939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:15:51,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170444055] [2024-11-23 23:15:51,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:51,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:15:51,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:15:51,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:15:51,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:15:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:51,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 23:15:51,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:51,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-23 23:15:53,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:15:53,022 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 32 treesize of output 14 [2024-11-23 23:15:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 383 proven. 117 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2024-11-23 23:15:53,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:15:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 117 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-11-23 23:15:54,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170444055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:15:54,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:15:54,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 13] total 24 [2024-11-23 23:15:54,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084037524] [2024-11-23 23:15:54,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:15:54,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-23 23:15:54,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:54,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-23 23:15:54,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:15:54,159 INFO L87 Difference]: Start difference. First operand 175 states and 247 transitions. Second operand has 24 states, 19 states have (on average 6.684210526315789) internal successors, (127), 24 states have internal predecessors, (127), 10 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 5 states have call predecessors, (72), 10 states have call successors, (72) [2024-11-23 23:15:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:55,873 INFO L93 Difference]: Finished difference Result 371 states and 512 transitions. [2024-11-23 23:15:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 23:15:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 6.684210526315789) internal successors, (127), 24 states have internal predecessors, (127), 10 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 5 states have call predecessors, (72), 10 states have call successors, (72) Word has length 190 [2024-11-23 23:15:55,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:55,878 INFO L225 Difference]: With dead ends: 371 [2024-11-23 23:15:55,881 INFO L226 Difference]: Without dead ends: 199 [2024-11-23 23:15:55,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 366 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=409, Invalid=1661, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 23:15:55,884 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 487 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:55,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 1040 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 23:15:55,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-23 23:15:55,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 191. [2024-11-23 23:15:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 157 states have (on average 1.2993630573248407) internal successors, (204), 158 states have internal predecessors, (204), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:15:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 258 transitions. [2024-11-23 23:15:55,911 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 258 transitions. Word has length 190 [2024-11-23 23:15:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:55,912 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 258 transitions. [2024-11-23 23:15:55,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 6.684210526315789) internal successors, (127), 24 states have internal predecessors, (127), 10 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 5 states have call predecessors, (72), 10 states have call successors, (72) [2024-11-23 23:15:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 258 transitions. [2024-11-23 23:15:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:15:55,915 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:15:55,915 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:55,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:15:56,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 23:15:56,119 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:15:56,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:15:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1201331910, now seen corresponding path program 1 times [2024-11-23 23:15:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:15:56,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564464779] [2024-11-23 23:15:56,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:15:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:15:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:15:56,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:15:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:15:56,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:15:56,652 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:15:56,653 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:15:56,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:15:56,658 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:56,803 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:15:56,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:15:56 BoogieIcfgContainer [2024-11-23 23:15:56,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:15:56,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:15:56,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:15:56,809 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:15:56,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:42" (3/4) ... [2024-11-23 23:15:56,812 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:15:56,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:15:56,815 INFO L158 Benchmark]: Toolchain (without parser) took 15850.08ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 94.1MB in the beginning and 259.8MB in the end (delta: -165.7MB). Peak memory consumption was 163.9MB. Max. memory is 16.1GB. [2024-11-23 23:15:56,815 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:15:56,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.33ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 77.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:15:56,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.46ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 73.4MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:15:56,816 INFO L158 Benchmark]: Boogie Preprocessor took 116.63ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 67.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:15:56,819 INFO L158 Benchmark]: RCFGBuilder took 1212.62ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 81.6MB in the end (delta: -14.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-23 23:15:56,819 INFO L158 Benchmark]: TraceAbstraction took 14034.12ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 80.9MB in the beginning and 259.8MB in the end (delta: -179.0MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. [2024-11-23 23:15:56,820 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 444.6MB. Free memory was 259.8MB in the beginning and 259.8MB in the end (delta: 58.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:15:56,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.33ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 77.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.46ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 73.4MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 116.63ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 67.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1212.62ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 81.6MB in the end (delta: -14.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14034.12ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 80.9MB in the beginning and 259.8MB in the end (delta: -179.0MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 444.6MB. Free memory was 259.8MB in the beginning and 259.8MB in the end (delta: 58.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L25-L27] double double_Array_0[1] = { 32.5 }; [L25-L27] double double_Array_0[1] = { 32.5 }; [L28-L30] float float_Array_0[2] = { 255.5, 255.5 }; [L28-L30] float float_Array_0[2] = { 255.5, 255.5 }; [L28-L30] float float_Array_0[2] = { 255.5, 255.5 }; [L31-L33] signed char signed_char_Array_0[1] = { 0 }; [L31-L33] signed char signed_char_Array_0[1] = { 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 64 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 64 }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L115] isInitial = 1 [L116] FCALL initially() [L118] FCALL updateLastVariables() [L119] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L81] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L87] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L90] EXPR unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] RET assume_abort_if_not(unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] EXPR unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[3] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[3] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] unsigned_char_Array_0[6] = __VERIFIER_nondet_uchar() [L93] EXPR unsigned_char_Array_0[6] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[6] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] RET assume_abort_if_not(unsigned_char_Array_0[6] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] EXPR unsigned_char_Array_0[6] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[6] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[6] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] unsigned_char_Array_0[7] = __VERIFIER_nondet_uchar() [L96] EXPR unsigned_char_Array_0[7] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[7] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L96] RET assume_abort_if_not(unsigned_char_Array_0[7] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] EXPR unsigned_char_Array_0[7] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[7] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] RET assume_abort_if_not(unsigned_char_Array_0[7] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L98] unsigned_char_Array_0[8] = __VERIFIER_nondet_uchar() [L99] EXPR unsigned_char_Array_0[8] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[8] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L99] RET assume_abort_if_not(unsigned_char_Array_0[8] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR unsigned_char_Array_0[8] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[8] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] RET assume_abort_if_not(unsigned_char_Array_0[8] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] unsigned_char_Array_0[9] = __VERIFIER_nondet_uchar() [L102] EXPR unsigned_char_Array_0[9] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L102] CALL assume_abort_if_not(unsigned_char_Array_0[9] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L102] RET assume_abort_if_not(unsigned_char_Array_0[9] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] EXPR unsigned_char_Array_0[9] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] CALL assume_abort_if_not(unsigned_char_Array_0[9] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] RET assume_abort_if_not(unsigned_char_Array_0[9] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L104] unsigned_char_Array_0[10] = __VERIFIER_nondet_uchar() [L105] EXPR unsigned_char_Array_0[10] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L105] CALL assume_abort_if_not(unsigned_char_Array_0[10] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L105] RET assume_abort_if_not(unsigned_char_Array_0[10] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L106] EXPR unsigned_char_Array_0[10] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L106] CALL assume_abort_if_not(unsigned_char_Array_0[10] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L106] RET assume_abort_if_not(unsigned_char_Array_0[10] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L119] RET updateVariables() [L120] CALL step() [L43] BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L43] COND TRUE BOOL_unsigned_char_Array_0[0][0] [L44] EXPR unsigned_char_Array_0[3] [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L44] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1]) [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L44] unsigned_char_Array_0[4] = (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))) [L48] EXPR BOOL_unsigned_char_Array_0[0][0] [L48] EXPR BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L48] EXPR BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L48] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1]; [L49] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L49] COND TRUE BOOL_unsigned_char_Array_0[1][0] || stepLocal_0 [L50] EXPR unsigned_char_Array_0[9] [L50] signed_char_Array_0[0] = unsigned_char_Array_0[9] [L52] EXPR float_Array_0[1] [L52] float_Array_0[0] = float_Array_0[1] [L53] EXPR unsigned_char_Array_0[10] [L53] unsigned_short_int_Array_0[0] = unsigned_char_Array_0[10] [L54] double_Array_0[0] = 0.010000000000000009 [L55] EXPR float_Array_0[0] [L55] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L55] COND FALSE !(float_Array_0[0] < float_Array_0[0]) [L58] EXPR float_Array_0[0] [L58] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L58] COND TRUE float_Array_0[0] >= float_Array_0[0] [L59] EXPR BOOL_unsigned_char_Array_0[1][0] [L59] BOOL_unsigned_char_Array_0[1][1] = BOOL_unsigned_char_Array_0[1][0] [L64] EXPR double_Array_0[0] [L64] EXPR float_Array_0[0] [L64] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L64] EXPR ((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0]) [L64] EXPR float_Array_0[0] [L64] EXPR ((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L64] COND TRUE double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0]))) [L65] EXPR unsigned_char_Array_0[2] [L65] EXPR unsigned_char_Array_0[3] [L65] unsigned_char_Array_0[5] = (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR float_Array_0[0] [L111] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0]))) [L111] EXPR float_Array_0[0] [L111] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])) [L111] EXPR BOOL_unsigned_char_Array_0[1][1] [L111] EXPR BOOL_unsigned_char_Array_0[0][0] [L111] EXPR (float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10]))) && (double_Array_0[0] == ((double) 0.010000000000000009)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10]))) && (double_Array_0[0] == ((double) 0.010000000000000009)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111-L112] return (((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10]))) && (double_Array_0[0] == ((double) 0.010000000000000009)) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 7, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 626 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 3749 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2831 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1047 IncrementalHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 918 mSDtfsCounter, 1047 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 632 GetRequests, 569 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=191occurred in iteration=6, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 65 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1712 NumberOfCodeBlocks, 1712 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1701 ConstructedInterpolants, 0 QuantifiedInterpolants, 6515 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1369 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 10446/10800 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:15:56,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:15:59,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:15:59,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:15:59,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:15:59,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:15:59,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:15:59,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:15:59,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:15:59,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:15:59,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:15:59,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:15:59,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:15:59,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:15:59,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:15:59,951 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:15:59,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:15:59,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:15:59,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:15:59,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:15:59,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:15:59,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:15:59,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:15:59,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:15:59,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:15:59,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:15:59,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:15:59,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:15:59,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:15:59,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:15:59,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:15:59,957 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc [2024-11-23 23:16:00,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:16:00,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:16:00,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:16:00,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:16:00,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:16:00,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-11-23 23:16:03,544 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/41fad24d2/cb60651107c64074a691caee2792ef8f/FLAG80804786d [2024-11-23 23:16:03,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:16:03,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-11-23 23:16:03,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/41fad24d2/cb60651107c64074a691caee2792ef8f/FLAG80804786d [2024-11-23 23:16:04,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/data/41fad24d2/cb60651107c64074a691caee2792ef8f [2024-11-23 23:16:04,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:16:04,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:16:04,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:16:04,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:16:04,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:16:04,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b7da8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04, skipping insertion in model container [2024-11-23 23:16:04,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:16:04,320 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-11-23 23:16:04,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:16:04,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:16:04,430 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_c26ae5ef-1f9d-468c-8801-161537cd9d50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-11-23 23:16:04,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:16:04,543 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:16:04,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04 WrapperNode [2024-11-23 23:16:04,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:16:04,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:16:04,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:16:04,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:16:04,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,656 INFO L138 Inliner]: procedures = 37, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-11-23 23:16:04,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:16:04,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:16:04,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:16:04,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:16:04,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,735 INFO L175 MemorySlicer]: Split 148 memory accesses to 7 slices as follows [2, 35, 5, 27, 3, 73, 3]. 49 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 4, 1, 2, 1, 0, 1]. The 35 writes are split as follows [0, 6, 1, 2, 1, 24, 1]. [2024-11-23 23:16:04,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:16:04,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:16:04,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:16:04,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:16:04,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (1/1) ... [2024-11-23 23:16:04,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:16:04,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:16:04,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:16:04,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:16:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-23 23:16:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-23 23:16:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-23 23:16:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 23:16:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 23:16:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 23:16:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 23:16:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-23 23:16:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-23 23:16:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 23:16:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 23:16:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-23 23:16:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-23 23:16:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-23 23:16:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 23:16:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 23:16:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 23:16:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 23:16:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:16:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:16:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 23:16:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 23:16:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 23:16:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-23 23:16:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-23 23:16:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-23 23:16:05,157 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:16:05,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:16:06,352 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-23 23:16:06,353 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:16:06,369 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:16:06,369 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:16:06,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:16:06 BoogieIcfgContainer [2024-11-23 23:16:06,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:16:06,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:16:06,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:16:06,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:16:06,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:16:04" (1/3) ... [2024-11-23 23:16:06,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f4c521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:16:06, skipping insertion in model container [2024-11-23 23:16:06,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:04" (2/3) ... [2024-11-23 23:16:06,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f4c521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:16:06, skipping insertion in model container [2024-11-23 23:16:06,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:16:06" (3/3) ... [2024-11-23 23:16:06,381 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-61.i [2024-11-23 23:16:06,398 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:16:06,400 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-61.i that has 2 procedures, 120 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:16:06,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:16:06,500 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;@59a3d232, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:16:06,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:16:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:16:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:06,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:06,526 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:06,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:06,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:06,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1550515261, now seen corresponding path program 1 times [2024-11-23 23:16:06,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:06,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406540804] [2024-11-23 23:16:06,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:06,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:06,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:06,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:16:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:07,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:16:07,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-23 23:16:07,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:07,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:07,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406540804] [2024-11-23 23:16:07,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406540804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:07,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:07,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:16:07,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244679019] [2024-11-23 23:16:07,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:07,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:16:07,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:07,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:16:07,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:16:07,193 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:07,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:07,248 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-11-23 23:16:07,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:16:07,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-23 23:16:07,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:07,257 INFO L225 Difference]: With dead ends: 233 [2024-11-23 23:16:07,257 INFO L226 Difference]: Without dead ends: 116 [2024-11-23 23:16:07,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:16:07,264 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 [2024-11-23 23:16:07,265 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] [2024-11-23 23:16:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-23 23:16:07,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-23 23:16:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:16:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-23 23:16:07,316 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-11-23 23:16:07,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:07,317 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-23 23:16:07,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-23 23:16:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:07,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:07,322 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:07,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:16:07,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:07,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:07,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:07,524 INFO L85 PathProgramCache]: Analyzing trace with hash 615561193, now seen corresponding path program 1 times [2024-11-23 23:16:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:07,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756283138] [2024-11-23 23:16:07,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:07,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:07,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:07,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:07,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:16:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:08,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:16:08,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:08,139 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:08,139 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756283138] [2024-11-23 23:16:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756283138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:08,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:08,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:16:08,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800790688] [2024-11-23 23:16:08,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:08,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:16:08,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:08,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:16:08,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:16:08,146 INFO L87 Difference]: Start difference. First operand 116 states and 168 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:08,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:08,503 INFO L93 Difference]: Finished difference Result 279 states and 406 transitions. [2024-11-23 23:16:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:16:08,504 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:16:08,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:08,509 INFO L225 Difference]: With dead ends: 279 [2024-11-23 23:16:08,509 INFO L226 Difference]: Without dead ends: 166 [2024-11-23 23:16:08,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:16:08,511 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 70 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:08,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 576 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:16:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-23 23:16:08,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 118. [2024-11-23 23:16:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:16:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-11-23 23:16:08,537 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-11-23 23:16:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:08,541 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-11-23 23:16:08,541 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-11-23 23:16:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:08,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:08,549 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:08,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:16:08,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:08,750 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:08,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2001764587, now seen corresponding path program 1 times [2024-11-23 23:16:08,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:08,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594748392] [2024-11-23 23:16:08,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:08,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:08,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:08,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:08,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:16:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:09,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:16:09,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:09,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:09,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:09,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594748392] [2024-11-23 23:16:09,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594748392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:09,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:09,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:16:09,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370078449] [2024-11-23 23:16:09,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:09,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:16:09,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:09,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:16:09,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:16:09,297 INFO L87 Difference]: Start difference. First operand 118 states and 170 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:09,409 INFO L93 Difference]: Finished difference Result 240 states and 347 transitions. [2024-11-23 23:16:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:16:09,410 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:16:09,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:09,412 INFO L225 Difference]: With dead ends: 240 [2024-11-23 23:16:09,412 INFO L226 Difference]: Without dead ends: 125 [2024-11-23 23:16:09,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:16:09,414 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 1 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:09,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 784 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:16:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-23 23:16:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-23 23:16:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 97 states have internal predecessors, (126), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:16:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 176 transitions. [2024-11-23 23:16:09,425 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 176 transitions. Word has length 190 [2024-11-23 23:16:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:09,426 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 176 transitions. [2024-11-23 23:16:09,426 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions. [2024-11-23 23:16:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:09,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:09,430 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:09,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 23:16:09,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:09,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:09,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:09,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1613144339, now seen corresponding path program 1 times [2024-11-23 23:16:09,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:09,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980654083] [2024-11-23 23:16:09,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:09,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:09,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:09,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:09,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:16:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:10,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:16:10,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:10,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:10,139 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:10,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980654083] [2024-11-23 23:16:10,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980654083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:10,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:10,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:16:10,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984713604] [2024-11-23 23:16:10,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:10,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:16:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:10,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:16:10,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:16:10,144 INFO L87 Difference]: Start difference. First operand 124 states and 176 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:10,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:10,323 INFO L93 Difference]: Finished difference Result 250 states and 356 transitions. [2024-11-23 23:16:10,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:16:10,324 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:16:10,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:10,327 INFO L225 Difference]: With dead ends: 250 [2024-11-23 23:16:10,328 INFO L226 Difference]: Without dead ends: 129 [2024-11-23 23:16:10,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:16:10,330 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:10,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1076 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:16:10,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-23 23:16:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-11-23 23:16:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 101 states have internal predecessors, (130), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-23 23:16:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 180 transitions. [2024-11-23 23:16:10,351 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 180 transitions. Word has length 190 [2024-11-23 23:16:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:10,352 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 180 transitions. [2024-11-23 23:16:10,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions. [2024-11-23 23:16:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:10,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:10,358 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:10,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-23 23:16:10,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:10,559 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:10,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1611297297, now seen corresponding path program 1 times [2024-11-23 23:16:10,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:10,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450434864] [2024-11-23 23:16:10,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:10,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:10,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:10,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:10,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:16:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:10,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:16:10,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:13,760 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 121 treesize of output 61 [2024-11-23 23:16:13,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-23 23:16:14,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:14,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 20 [2024-11-23 23:16:14,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:14,252 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 127 treesize of output 49 [2024-11-23 23:16:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:16:14,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:14,421 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:14,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450434864] [2024-11-23 23:16:14,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450434864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:14,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:14,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:16:14,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145161162] [2024-11-23 23:16:14,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:14,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:16:14,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:14,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:16:14,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:16:14,424 INFO L87 Difference]: Start difference. First operand 128 states and 180 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:17,317 INFO L93 Difference]: Finished difference Result 379 states and 532 transitions. [2024-11-23 23:16:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:16:17,320 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-23 23:16:17,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:17,322 INFO L225 Difference]: With dead ends: 379 [2024-11-23 23:16:17,322 INFO L226 Difference]: Without dead ends: 254 [2024-11-23 23:16:17,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:16:17,328 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 298 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:17,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 867 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-23 23:16:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-23 23:16:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 251. [2024-11-23 23:16:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 198 states have internal predecessors, (252), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 352 transitions. [2024-11-23 23:16:17,381 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 352 transitions. Word has length 190 [2024-11-23 23:16:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:17,381 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 352 transitions. [2024-11-23 23:16:17,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 352 transitions. [2024-11-23 23:16:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:17,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:17,387 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:17,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 23:16:17,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:17,588 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:17,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:17,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1188595471, now seen corresponding path program 1 times [2024-11-23 23:16:17,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:17,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145553482] [2024-11-23 23:16:17,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:17,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:17,591 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:17,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 23:16:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:17,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:16:17,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:17,962 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 43 treesize of output 19 [2024-11-23 23:16:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:17,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:17,987 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:17,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145553482] [2024-11-23 23:16:17,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145553482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:17,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:17,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:16:17,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126183717] [2024-11-23 23:16:17,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:17,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:16:17,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:17,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:16:17,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:16:17,990 INFO L87 Difference]: Start difference. First operand 251 states and 352 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:18,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:18,202 INFO L93 Difference]: Finished difference Result 499 states and 701 transitions. [2024-11-23 23:16:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:16:18,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-23 23:16:18,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:18,210 INFO L225 Difference]: With dead ends: 499 [2024-11-23 23:16:18,210 INFO L226 Difference]: Without dead ends: 251 [2024-11-23 23:16:18,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:16:18,212 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:18,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 327 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:16:18,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-23 23:16:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-23 23:16:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 197 states have (on average 1.2690355329949239) internal successors, (250), 198 states have internal predecessors, (250), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 350 transitions. [2024-11-23 23:16:18,247 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 350 transitions. Word has length 190 [2024-11-23 23:16:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:18,247 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 350 transitions. [2024-11-23 23:16:18,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 350 transitions. [2024-11-23 23:16:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:16:18,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:18,251 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:18,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-23 23:16:18,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:18,451 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:18,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:18,452 INFO L85 PathProgramCache]: Analyzing trace with hash -969740753, now seen corresponding path program 1 times [2024-11-23 23:16:18,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:18,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472635157] [2024-11-23 23:16:18,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:18,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:18,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:18,454 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:18,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 23:16:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:18,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:16:18,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:18,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:16:19,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-23 23:16:19,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-23 23:16:21,016 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 35 treesize of output 19 [2024-11-23 23:16:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 50 proven. 138 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 23:16:21,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-23 23:16:21,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:21,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472635157] [2024-11-23 23:16:21,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472635157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:16:21,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:16:21,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 18 [2024-11-23 23:16:21,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838033749] [2024-11-23 23:16:21,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:16:21,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 23:16:21,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:21,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 23:16:21,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:16:21,774 INFO L87 Difference]: Start difference. First operand 251 states and 350 transitions. Second operand has 18 states, 14 states have (on average 7.928571428571429) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-11-23 23:16:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:23,020 INFO L93 Difference]: Finished difference Result 519 states and 713 transitions. [2024-11-23 23:16:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:16:23,021 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 7.928571428571429) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) Word has length 190 [2024-11-23 23:16:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:23,024 INFO L225 Difference]: With dead ends: 519 [2024-11-23 23:16:23,024 INFO L226 Difference]: Without dead ends: 271 [2024-11-23 23:16:23,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:16:23,025 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 83 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:23,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 629 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:16:23,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-23 23:16:23,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 263. [2024-11-23 23:16:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 205 states have (on average 1.248780487804878) internal successors, (256), 206 states have internal predecessors, (256), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 356 transitions. [2024-11-23 23:16:23,072 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 356 transitions. Word has length 190 [2024-11-23 23:16:23,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:23,073 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 356 transitions. [2024-11-23 23:16:23,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 7.928571428571429) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-11-23 23:16:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 356 transitions. [2024-11-23 23:16:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:16:23,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:23,075 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:23,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:16:23,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:23,276 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:23,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash -457934136, now seen corresponding path program 1 times [2024-11-23 23:16:23,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:23,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072564272] [2024-11-23 23:16:23,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:23,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:23,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:23,278 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 23:16:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:23,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:16:23,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:23,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 23:16:23,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-11-23 23:16:25,143 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:25,143 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 43 treesize of output 39 [2024-11-23 23:16:25,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:25,291 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 87 treesize of output 39 [2024-11-23 23:16:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-23 23:16:25,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:25,666 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:25,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072564272] [2024-11-23 23:16:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072564272] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:25,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:16:25,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-23 23:16:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598176501] [2024-11-23 23:16:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:25,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:16:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:25,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:16:25,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:16:25,668 INFO L87 Difference]: Start difference. First operand 263 states and 356 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:26,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:26,034 INFO L93 Difference]: Finished difference Result 653 states and 875 transitions. [2024-11-23 23:16:26,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:16:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-11-23 23:16:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:26,037 INFO L225 Difference]: With dead ends: 653 [2024-11-23 23:16:26,037 INFO L226 Difference]: Without dead ends: 393 [2024-11-23 23:16:26,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:16:26,039 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 65 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:26,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 735 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:16:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-23 23:16:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 281. [2024-11-23 23:16:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 223 states have (on average 1.251121076233184) internal successors, (279), 224 states have internal predecessors, (279), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 379 transitions. [2024-11-23 23:16:26,084 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 379 transitions. Word has length 192 [2024-11-23 23:16:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:26,084 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 379 transitions. [2024-11-23 23:16:26,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 379 transitions. [2024-11-23 23:16:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:16:26,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:26,090 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:26,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-23 23:16:26,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:26,291 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:26,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1842888454, now seen corresponding path program 1 times [2024-11-23 23:16:26,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:26,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11322603] [2024-11-23 23:16:26,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:26,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:26,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:26,297 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:26,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 23:16:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:26,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 23:16:26,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:28,097 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 121 treesize of output 61 [2024-11-23 23:16:28,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:28,388 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 148 treesize of output 58 [2024-11-23 23:16:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:16:28,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:28,854 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11322603] [2024-11-23 23:16:28,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11322603] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:28,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:16:28,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-23 23:16:28,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042702981] [2024-11-23 23:16:28,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:28,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:16:28,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:28,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:16:28,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:16:28,855 INFO L87 Difference]: Start difference. First operand 281 states and 379 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:29,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:29,268 INFO L93 Difference]: Finished difference Result 797 states and 1075 transitions. [2024-11-23 23:16:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:16:29,269 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-11-23 23:16:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:29,275 INFO L225 Difference]: With dead ends: 797 [2024-11-23 23:16:29,275 INFO L226 Difference]: Without dead ends: 519 [2024-11-23 23:16:29,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 370 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:16:29,279 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 151 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:29,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 590 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:16:29,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-23 23:16:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 281. [2024-11-23 23:16:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 223 states have (on average 1.242152466367713) internal successors, (277), 224 states have internal predecessors, (277), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 377 transitions. [2024-11-23 23:16:29,342 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 377 transitions. Word has length 192 [2024-11-23 23:16:29,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:29,342 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 377 transitions. [2024-11-23 23:16:29,343 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 377 transitions. [2024-11-23 23:16:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:16:29,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:29,346 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:29,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-23 23:16:29,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:29,546 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:29,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:29,547 INFO L85 PathProgramCache]: Analyzing trace with hash -358790689, now seen corresponding path program 1 times [2024-11-23 23:16:29,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:29,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892456654] [2024-11-23 23:16:29,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:29,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:29,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:29,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:29,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-23 23:16:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:29,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:16:29,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:29,864 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 43 treesize of output 19 [2024-11-23 23:16:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:29,887 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:29,887 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:29,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892456654] [2024-11-23 23:16:29,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892456654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:29,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:29,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:16:29,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203137771] [2024-11-23 23:16:29,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:29,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:16:29,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:29,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:16:29,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:16:29,889 INFO L87 Difference]: Start difference. First operand 281 states and 377 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:29,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:29,934 INFO L93 Difference]: Finished difference Result 555 states and 745 transitions. [2024-11-23 23:16:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:16:29,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-11-23 23:16:29,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:29,937 INFO L225 Difference]: With dead ends: 555 [2024-11-23 23:16:29,937 INFO L226 Difference]: Without dead ends: 277 [2024-11-23 23:16:29,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:16:29,938 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:29,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:16:29,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-23 23:16:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-23 23:16:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 219 states have (on average 1.2191780821917808) internal successors, (267), 220 states have internal predecessors, (267), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2024-11-23 23:16:29,970 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 192 [2024-11-23 23:16:29,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:29,970 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2024-11-23 23:16:29,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2024-11-23 23:16:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:16:29,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:29,973 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:29,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-23 23:16:30,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:30,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:30,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash -591947642, now seen corresponding path program 1 times [2024-11-23 23:16:30,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:30,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138962811] [2024-11-23 23:16:30,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:30,175 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 [2024-11-23 23:16:30,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:30,177 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:30,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-23 23:16:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:30,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:16:30,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:31,925 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 121 treesize of output 61 [2024-11-23 23:16:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:16:32,060 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:32,656 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138962811] [2024-11-23 23:16:32,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138962811] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:32,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:16:32,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-11-23 23:16:32,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912231998] [2024-11-23 23:16:32,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:32,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:16:32,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:32,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:16:32,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:16:32,659 INFO L87 Difference]: Start difference. First operand 277 states and 367 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:34,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:16:35,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:35,071 INFO L93 Difference]: Finished difference Result 799 states and 1062 transitions. [2024-11-23 23:16:35,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:16:35,079 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-11-23 23:16:35,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:35,086 INFO L225 Difference]: With dead ends: 799 [2024-11-23 23:16:35,087 INFO L226 Difference]: Without dead ends: 525 [2024-11-23 23:16:35,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:16:35,089 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 145 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:35,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 842 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 23:16:35,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-23 23:16:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 289. [2024-11-23 23:16:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 231 states have (on average 1.2121212121212122) internal successors, (280), 232 states have internal predecessors, (280), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 380 transitions. [2024-11-23 23:16:35,144 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 380 transitions. Word has length 192 [2024-11-23 23:16:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:35,145 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 380 transitions. [2024-11-23 23:16:35,145 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 380 transitions. [2024-11-23 23:16:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:16:35,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:35,149 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:35,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-23 23:16:35,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:35,350 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:35,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:35,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1708874948, now seen corresponding path program 1 times [2024-11-23 23:16:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:35,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475573394] [2024-11-23 23:16:35,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:35,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:35,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:35,353 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:35,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-23 23:16:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:35,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 23:16:35,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:37,167 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 121 treesize of output 61 [2024-11-23 23:16:37,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:37,225 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 148 treesize of output 58 [2024-11-23 23:16:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:16:37,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:37,653 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:37,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475573394] [2024-11-23 23:16:37,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475573394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:37,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1538034447] [2024-11-23 23:16:37,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:37,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:16:37,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:16:37,660 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:16:37,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-23 23:16:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:38,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:16:38,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:40,236 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 121 treesize of output 61 [2024-11-23 23:16:40,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:40,342 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 148 treesize of output 58 [2024-11-23 23:16:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:16:40,461 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:40,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1538034447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:40,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:16:40,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2024-11-23 23:16:40,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526970606] [2024-11-23 23:16:40,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:16:40,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:16:40,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:40,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:16:40,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:16:40,729 INFO L87 Difference]: Start difference. First operand 289 states and 380 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:43,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:43,822 INFO L93 Difference]: Finished difference Result 572 states and 753 transitions. [2024-11-23 23:16:43,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:16:43,824 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 192 [2024-11-23 23:16:43,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:43,826 INFO L225 Difference]: With dead ends: 572 [2024-11-23 23:16:43,827 INFO L226 Difference]: Without dead ends: 286 [2024-11-23 23:16:43,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:16:43,828 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 349 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:43,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 966 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-23 23:16:43,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-23 23:16:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2024-11-23 23:16:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 225 states have (on average 1.208888888888889) internal successors, (272), 226 states have internal predecessors, (272), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 372 transitions. [2024-11-23 23:16:43,875 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 372 transitions. Word has length 192 [2024-11-23 23:16:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:43,876 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 372 transitions. [2024-11-23 23:16:43,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 372 transitions. [2024-11-23 23:16:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-23 23:16:43,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:43,880 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:43,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-23 23:16:44,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-23 23:16:44,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:16:44,280 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:44,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:44,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1562213308, now seen corresponding path program 1 times [2024-11-23 23:16:44,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:44,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522971139] [2024-11-23 23:16:44,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:44,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:44,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:44,286 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:44,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-23 23:16:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:44,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:16:44,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:16:44,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:44,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:44,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522971139] [2024-11-23 23:16:44,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522971139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:44,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:44,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:16:44,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771918950] [2024-11-23 23:16:44,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:44,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:16:44,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:44,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:16:44,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:16:44,697 INFO L87 Difference]: Start difference. First operand 283 states and 372 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:44,759 INFO L93 Difference]: Finished difference Result 563 states and 741 transitions. [2024-11-23 23:16:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:16:44,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 192 [2024-11-23 23:16:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:44,762 INFO L225 Difference]: With dead ends: 563 [2024-11-23 23:16:44,762 INFO L226 Difference]: Without dead ends: 283 [2024-11-23 23:16:44,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:16:44,765 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:44,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:16:44,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-23 23:16:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-11-23 23:16:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 225 states have (on average 1.2044444444444444) internal successors, (271), 226 states have internal predecessors, (271), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-23 23:16:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 371 transitions. [2024-11-23 23:16:44,799 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 371 transitions. Word has length 192 [2024-11-23 23:16:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:44,799 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 371 transitions. [2024-11-23 23:16:44,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:16:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 371 transitions. [2024-11-23 23:16:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-23 23:16:44,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:44,801 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:44,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-23 23:16:45,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:45,002 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:45,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:45,002 INFO L85 PathProgramCache]: Analyzing trace with hash -242044291, now seen corresponding path program 1 times [2024-11-23 23:16:45,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:45,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301180938] [2024-11-23 23:16:45,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:45,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:45,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:45,008 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:45,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-23 23:16:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:45,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:16:45,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:45,888 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 39 treesize of output 21 [2024-11-23 23:16:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 414 proven. 57 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-11-23 23:16:45,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-23 23:16:46,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:46,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301180938] [2024-11-23 23:16:46,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301180938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:16:46,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:16:46,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2024-11-23 23:16:46,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799989013] [2024-11-23 23:16:46,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:16:46,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:16:46,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:46,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:16:46,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:16:46,370 INFO L87 Difference]: Start difference. First operand 283 states and 371 transitions. Second operand has 10 states, 8 states have (on average 10.125) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 2 states have call predecessors, (45), 4 states have call successors, (45) [2024-11-23 23:16:47,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:47,151 INFO L93 Difference]: Finished difference Result 581 states and 755 transitions. [2024-11-23 23:16:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:16:47,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.125) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 2 states have call predecessors, (45), 4 states have call successors, (45) Word has length 193 [2024-11-23 23:16:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:47,155 INFO L225 Difference]: With dead ends: 581 [2024-11-23 23:16:47,155 INFO L226 Difference]: Without dead ends: 301 [2024-11-23 23:16:47,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 375 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:16:47,156 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 211 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:47,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 495 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:16:47,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-23 23:16:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 283. [2024-11-23 23:16:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 226 states have (on average 1.1946902654867257) internal successors, (270), 227 states have internal predecessors, (270), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 23:16:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 366 transitions. [2024-11-23 23:16:47,199 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 366 transitions. Word has length 193 [2024-11-23 23:16:47,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:47,199 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 366 transitions. [2024-11-23 23:16:47,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.125) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 2 states have call predecessors, (45), 4 states have call successors, (45) [2024-11-23 23:16:47,200 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 366 transitions. [2024-11-23 23:16:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-23 23:16:47,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:47,202 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:47,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-23 23:16:47,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:47,403 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:47,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash -101495681, now seen corresponding path program 1 times [2024-11-23 23:16:47,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:47,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655823258] [2024-11-23 23:16:47,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:47,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:47,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:47,408 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:47,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-23 23:16:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:47,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:16:47,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:47,873 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 43 treesize of output 19 [2024-11-23 23:16:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:47,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:47,905 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:47,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655823258] [2024-11-23 23:16:47,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655823258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:47,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:47,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:16:47,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483299515] [2024-11-23 23:16:47,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:47,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:16:47,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:47,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:16:47,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:16:47,907 INFO L87 Difference]: Start difference. First operand 283 states and 366 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:47,962 INFO L93 Difference]: Finished difference Result 542 states and 705 transitions. [2024-11-23 23:16:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:16:47,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 193 [2024-11-23 23:16:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:47,965 INFO L225 Difference]: With dead ends: 542 [2024-11-23 23:16:47,965 INFO L226 Difference]: Without dead ends: 262 [2024-11-23 23:16:47,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:16:47,969 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:47,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 311 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:16:47,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-23 23:16:48,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-11-23 23:16:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 205 states have (on average 1.1902439024390243) internal successors, (244), 206 states have internal predecessors, (244), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 23:16:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 340 transitions. [2024-11-23 23:16:48,022 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 340 transitions. Word has length 193 [2024-11-23 23:16:48,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:48,023 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 340 transitions. [2024-11-23 23:16:48,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 340 transitions. [2024-11-23 23:16:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 23:16:48,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:48,025 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:48,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-23 23:16:48,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:48,226 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:48,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:48,227 INFO L85 PathProgramCache]: Analyzing trace with hash 552097416, now seen corresponding path program 1 times [2024-11-23 23:16:48,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:48,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707754059] [2024-11-23 23:16:48,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:48,230 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:48,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-23 23:16:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:48,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:16:48,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 23:16:48,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-23 23:16:49,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:49,155 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 64 treesize of output 24 [2024-11-23 23:16:49,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 26 [2024-11-23 23:16:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:16:49,279 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:16:49,280 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:49,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707754059] [2024-11-23 23:16:49,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707754059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:16:49,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:16:49,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:16:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146934645] [2024-11-23 23:16:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:16:49,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:16:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:49,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:16:49,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:16:49,281 INFO L87 Difference]: Start difference. First operand 262 states and 340 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:53,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:16:53,812 INFO L93 Difference]: Finished difference Result 827 states and 1091 transitions. [2024-11-23 23:16:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:16:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 194 [2024-11-23 23:16:53,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:16:53,818 INFO L225 Difference]: With dead ends: 827 [2024-11-23 23:16:53,818 INFO L226 Difference]: Without dead ends: 568 [2024-11-23 23:16:53,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:16:53,820 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 305 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:16:53,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 1178 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-23 23:16:53,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-23 23:16:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 262. [2024-11-23 23:16:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 205 states have (on average 1.1853658536585365) internal successors, (243), 206 states have internal predecessors, (243), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 23:16:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 339 transitions. [2024-11-23 23:16:53,876 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 339 transitions. Word has length 194 [2024-11-23 23:16:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:16:53,876 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 339 transitions. [2024-11-23 23:16:53,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:16:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 339 transitions. [2024-11-23 23:16:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 23:16:53,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:16:53,879 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:16:53,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-23 23:16:54,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:54,083 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:16:54,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:16:54,084 INFO L85 PathProgramCache]: Analyzing trace with hash 974799242, now seen corresponding path program 1 times [2024-11-23 23:16:54,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:16:54,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840537134] [2024-11-23 23:16:54,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:54,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:16:54,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:16:54,086 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:16:54,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-23 23:16:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:54,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:16:54,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:56,005 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 119 treesize of output 59 [2024-11-23 23:16:56,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:56,080 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 146 treesize of output 56 [2024-11-23 23:16:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 18 proven. 510 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-23 23:16:56,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:56,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:16:56,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840537134] [2024-11-23 23:16:56,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840537134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:56,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1612577139] [2024-11-23 23:16:56,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:16:56,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:16:56,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:16:56,476 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:16:56,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-23 23:16:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:16:57,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 23:16:57,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:16:59,025 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 119 treesize of output 59 [2024-11-23 23:16:59,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:16:59,133 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 146 treesize of output 56 [2024-11-23 23:16:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 18 proven. 510 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-23 23:16:59,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:16:59,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1612577139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:16:59,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:16:59,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2024-11-23 23:16:59,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555281359] [2024-11-23 23:16:59,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:16:59,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:16:59,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:16:59,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:16:59,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:16:59,622 INFO L87 Difference]: Start difference. First operand 262 states and 339 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-23 23:17:03,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:03,899 INFO L93 Difference]: Finished difference Result 660 states and 850 transitions. [2024-11-23 23:17:03,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:17:03,901 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 194 [2024-11-23 23:17:03,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:03,902 INFO L225 Difference]: With dead ends: 660 [2024-11-23 23:17:03,902 INFO L226 Difference]: Without dead ends: 401 [2024-11-23 23:17:03,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 441 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=217, Invalid=839, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 23:17:03,904 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 276 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:03,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1094 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-23 23:17:03,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-23 23:17:03,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 323. [2024-11-23 23:17:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 245 states have (on average 1.1714285714285715) internal successors, (287), 246 states have internal predecessors, (287), 67 states have call successors, (67), 10 states have call predecessors, (67), 10 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-23 23:17:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 421 transitions. [2024-11-23 23:17:03,976 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 421 transitions. Word has length 194 [2024-11-23 23:17:03,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:03,976 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 421 transitions. [2024-11-23 23:17:03,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-23 23:17:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 421 transitions. [2024-11-23 23:17:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 23:17:03,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:03,979 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:03,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-23 23:17:04,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-23 23:17:04,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:17:04,380 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:04,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:04,380 INFO L85 PathProgramCache]: Analyzing trace with hash 51631816, now seen corresponding path program 1 times [2024-11-23 23:17:04,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:04,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880575503] [2024-11-23 23:17:04,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:04,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:04,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:04,383 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:04,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-23 23:17:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:04,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:17:04,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-23 23:17:04,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:17:04,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:04,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880575503] [2024-11-23 23:17:04,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880575503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:04,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:04,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:17:04,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819421887] [2024-11-23 23:17:04,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:04,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:17:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:04,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:17:04,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:17:04,790 INFO L87 Difference]: Start difference. First operand 323 states and 421 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-23 23:17:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:05,101 INFO L93 Difference]: Finished difference Result 532 states and 689 transitions. [2024-11-23 23:17:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:17:05,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 194 [2024-11-23 23:17:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:05,105 INFO L225 Difference]: With dead ends: 532 [2024-11-23 23:17:05,105 INFO L226 Difference]: Without dead ends: 206 [2024-11-23 23:17:05,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:17:05,107 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:05,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 581 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:17:05,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-23 23:17:05,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 198. [2024-11-23 23:17:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 146 states have (on average 1.1506849315068493) internal successors, (168), 146 states have internal predecessors, (168), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:17:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 256 transitions. [2024-11-23 23:17:05,159 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 256 transitions. Word has length 194 [2024-11-23 23:17:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:05,161 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 256 transitions. [2024-11-23 23:17:05,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-23 23:17:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 256 transitions. [2024-11-23 23:17:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 23:17:05,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:05,163 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:05,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-23 23:17:05,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:05,364 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:05,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash -423079745, now seen corresponding path program 1 times [2024-11-23 23:17:05,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:05,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117336897] [2024-11-23 23:17:05,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:05,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:05,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:05,367 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:05,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-23 23:17:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:05,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 23:17:05,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:08,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-23 23:17:08,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 61 [2024-11-23 23:17:08,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:08,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 20 [2024-11-23 23:17:08,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:08,974 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 127 treesize of output 49 [2024-11-23 23:17:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:17:09,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:17:09,117 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:09,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117336897] [2024-11-23 23:17:09,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117336897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:09,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:09,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:17:09,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826207511] [2024-11-23 23:17:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:09,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:17:09,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:09,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:17:09,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:17:09,119 INFO L87 Difference]: Start difference. First operand 198 states and 256 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:17:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:12,976 INFO L93 Difference]: Finished difference Result 465 states and 595 transitions. [2024-11-23 23:17:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:17:12,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 195 [2024-11-23 23:17:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:12,980 INFO L225 Difference]: With dead ends: 465 [2024-11-23 23:17:12,980 INFO L226 Difference]: Without dead ends: 270 [2024-11-23 23:17:12,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:17:12,981 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 195 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:12,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1169 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-23 23:17:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-23 23:17:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 206. [2024-11-23 23:17:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 154 states have (on average 1.1493506493506493) internal successors, (177), 154 states have internal predecessors, (177), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:17:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 265 transitions. [2024-11-23 23:17:13,032 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 265 transitions. Word has length 195 [2024-11-23 23:17:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:13,033 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 265 transitions. [2024-11-23 23:17:13,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:17:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 265 transitions. [2024-11-23 23:17:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 23:17:13,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:13,035 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:13,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-23 23:17:13,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:13,236 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:13,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1444148099, now seen corresponding path program 1 times [2024-11-23 23:17:13,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:13,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851413451] [2024-11-23 23:17:13,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:13,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:13,239 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:13,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-23 23:17:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:13,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:17:13,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:17:13,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:17:13,645 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:13,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851413451] [2024-11-23 23:17:13,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851413451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:13,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:13,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:17:13,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486523091] [2024-11-23 23:17:13,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:13,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:17:13,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:13,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:17:13,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:17:13,649 INFO L87 Difference]: Start difference. First operand 206 states and 265 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:17:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:13,857 INFO L93 Difference]: Finished difference Result 412 states and 531 transitions. [2024-11-23 23:17:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:17:13,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 195 [2024-11-23 23:17:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:13,860 INFO L225 Difference]: With dead ends: 412 [2024-11-23 23:17:13,860 INFO L226 Difference]: Without dead ends: 209 [2024-11-23 23:17:13,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:17:13,864 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:13,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:17:13,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-23 23:17:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-23 23:17:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 157 states have (on average 1.1464968152866242) internal successors, (180), 157 states have internal predecessors, (180), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:17:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2024-11-23 23:17:13,926 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 195 [2024-11-23 23:17:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:13,927 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2024-11-23 23:17:13,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:17:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2024-11-23 23:17:13,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 23:17:13,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:13,929 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:13,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-23 23:17:14,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:14,130 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:14,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash -35981425, now seen corresponding path program 1 times [2024-11-23 23:17:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742353900] [2024-11-23 23:17:14,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:14,132 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:14,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-23 23:17:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:14,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:17:14,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:14,515 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 43 treesize of output 19 [2024-11-23 23:17:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:17:14,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:17:14,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:14,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742353900] [2024-11-23 23:17:14,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742353900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:14,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:14,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:14,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871876095] [2024-11-23 23:17:14,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:14,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:14,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:14,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:14,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:14,540 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:17:14,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:14,597 INFO L93 Difference]: Finished difference Result 415 states and 533 transitions. [2024-11-23 23:17:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:14,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 197 [2024-11-23 23:17:14,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:14,600 INFO L225 Difference]: With dead ends: 415 [2024-11-23 23:17:14,600 INFO L226 Difference]: Without dead ends: 209 [2024-11-23 23:17:14,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:14,601 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:14,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:17:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-23 23:17:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-23 23:17:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 157 states have (on average 1.1337579617834395) internal successors, (178), 157 states have internal predecessors, (178), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:17:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 266 transitions. [2024-11-23 23:17:14,659 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 266 transitions. Word has length 197 [2024-11-23 23:17:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:14,659 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 266 transitions. [2024-11-23 23:17:14,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:17:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 266 transitions. [2024-11-23 23:17:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 23:17:14,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:14,662 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:14,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-23 23:17:14,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:14,862 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:14,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:14,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1724925167, now seen corresponding path program 1 times [2024-11-23 23:17:14,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:14,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643993104] [2024-11-23 23:17:14,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:14,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:14,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:14,865 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-23 23:17:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:15,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 23:17:15,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:15,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:17:15,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-23 23:17:15,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-23 23:17:17,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:17,320 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 48 treesize of output 42 [2024-11-23 23:17:17,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:17,620 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 52 treesize of output 24 [2024-11-23 23:17:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 50 proven. 138 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 23:17:17,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:17:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-23 23:17:18,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:18,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643993104] [2024-11-23 23:17:18,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643993104] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:17:18,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:17:18,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2024-11-23 23:17:18,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529921482] [2024-11-23 23:17:18,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:17:18,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 23:17:18,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:18,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 23:17:18,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:17:18,201 INFO L87 Difference]: Start difference. First operand 209 states and 266 transitions. Second operand has 19 states, 15 states have (on average 9.466666666666667) internal successors, (142), 17 states have internal predecessors, (142), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-11-23 23:17:19,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:19,656 INFO L93 Difference]: Finished difference Result 425 states and 539 transitions. [2024-11-23 23:17:19,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:17:19,657 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 9.466666666666667) internal successors, (142), 17 states have internal predecessors, (142), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) Word has length 197 [2024-11-23 23:17:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:19,660 INFO L225 Difference]: With dead ends: 425 [2024-11-23 23:17:19,660 INFO L226 Difference]: Without dead ends: 219 [2024-11-23 23:17:19,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:17:19,663 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 134 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:19,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 723 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:17:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-23 23:17:19,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 209. [2024-11-23 23:17:19,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 157 states have (on average 1.127388535031847) internal successors, (177), 157 states have internal predecessors, (177), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:17:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 265 transitions. [2024-11-23 23:17:19,714 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 265 transitions. Word has length 197 [2024-11-23 23:17:19,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:19,714 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 265 transitions. [2024-11-23 23:17:19,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 9.466666666666667) internal successors, (142), 17 states have internal predecessors, (142), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-11-23 23:17:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2024-11-23 23:17:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 23:17:19,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:19,716 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:19,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-23 23:17:19,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:19,917 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:19,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:19,918 INFO L85 PathProgramCache]: Analyzing trace with hash -753300355, now seen corresponding path program 1 times [2024-11-23 23:17:19,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:19,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408376681] [2024-11-23 23:17:19,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:19,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:19,925 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:19,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-23 23:17:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:20,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-23 23:17:20,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:20,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 23:17:20,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 23:17:20,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 23:17:20,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-23 23:17:20,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:20,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-11-23 23:17:20,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:20,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-11-23 23:17:21,075 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:21,075 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 [2024-11-23 23:17:21,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:21,393 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 60 treesize of output 53 [2024-11-23 23:17:21,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:21,607 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 75 treesize of output 80 [2024-11-23 23:17:21,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:21,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 145 treesize of output 67 [2024-11-23 23:17:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-23 23:17:22,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:17:22,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:22,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408376681] [2024-11-23 23:17:22,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408376681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:22,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:22,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:17:22,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052743951] [2024-11-23 23:17:22,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:22,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:17:22,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:22,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:17:22,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:17:22,064 INFO L87 Difference]: Start difference. First operand 209 states and 265 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-23 23:17:23,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:23,949 INFO L93 Difference]: Finished difference Result 527 states and 660 transitions. [2024-11-23 23:17:23,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:17:23,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 197 [2024-11-23 23:17:23,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:23,953 INFO L225 Difference]: With dead ends: 527 [2024-11-23 23:17:23,953 INFO L226 Difference]: Without dead ends: 321 [2024-11-23 23:17:23,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:17:23,955 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 309 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:23,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 736 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:17:23,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-23 23:17:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 314. [2024-11-23 23:17:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 239 states have (on average 1.1338912133891212) internal successors, (271), 241 states have internal predecessors, (271), 60 states have call successors, (60), 14 states have call predecessors, (60), 14 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:17:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 391 transitions. [2024-11-23 23:17:24,028 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 391 transitions. Word has length 197 [2024-11-23 23:17:24,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:24,029 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 391 transitions. [2024-11-23 23:17:24,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-23 23:17:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 391 transitions. [2024-11-23 23:17:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 23:17:24,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:24,031 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:24,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-23 23:17:24,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:24,231 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:24,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:24,232 INFO L85 PathProgramCache]: Analyzing trace with hash -887313861, now seen corresponding path program 1 times [2024-11-23 23:17:24,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:17:24,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958258004] [2024-11-23 23:17:24,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:24,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:17:24,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:17:24,234 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:17:24,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-23 23:17:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:24,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:17:24,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:17:26,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-23 23:17:26,074 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 90 treesize of output 48 [2024-11-23 23:17:31,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:31,275 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 122 treesize of output 56 [2024-11-23 23:17:32,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:17:32,626 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 135 treesize of output 63 [2024-11-23 23:17:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 54 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-23 23:17:34,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:17:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:17:50,285 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:17:50,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958258004] [2024-11-23 23:17:50,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958258004] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:17:50,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:17:50,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 19 [2024-11-23 23:17:50,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799411707] [2024-11-23 23:17:50,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:50,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:17:50,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:17:50,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:17:50,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:17:50,287 INFO L87 Difference]: Start difference. First operand 314 states and 391 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:18:18,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:22,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:26,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:18:46,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:46,818 INFO L93 Difference]: Finished difference Result 737 states and 931 transitions. [2024-11-23 23:18:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:18:46,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 197 [2024-11-23 23:18:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:46,829 INFO L225 Difference]: With dead ends: 737 [2024-11-23 23:18:46,830 INFO L226 Difference]: Without dead ends: 426 [2024-11-23 23:18:46,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:18:46,831 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 134 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:46,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 973 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 296 Invalid, 2 Unknown, 0 Unchecked, 50.6s Time] [2024-11-23 23:18:46,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-23 23:18:46,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 301. [2024-11-23 23:18:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 226 states have (on average 1.1327433628318584) internal successors, (256), 228 states have internal predecessors, (256), 60 states have call successors, (60), 14 states have call predecessors, (60), 14 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:18:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 376 transitions. [2024-11-23 23:18:46,941 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 376 transitions. Word has length 197 [2024-11-23 23:18:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:46,942 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 376 transitions. [2024-11-23 23:18:46,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:18:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 376 transitions. [2024-11-23 23:18:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-23 23:18:46,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:46,944 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:46,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-23 23:18:47,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:18:47,145 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:47,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:47,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1206666006, now seen corresponding path program 1 times [2024-11-23 23:18:47,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:18:47,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957519267] [2024-11-23 23:18:47,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:47,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:18:47,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:18:47,148 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:18:47,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-23 23:18:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:47,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-23 23:18:47,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:47,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:18:47,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-23 23:18:48,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:48,027 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 39 treesize of output 26 [2024-11-23 23:18:48,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:48,167 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 34 treesize of output 36 [2024-11-23 23:18:48,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:48,705 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 55 treesize of output 54 [2024-11-23 23:18:49,169 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:49,169 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 65 treesize of output 67 [2024-11-23 23:18:49,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:49,716 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 69 treesize of output 65 [2024-11-23 23:18:50,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:50,182 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 64 treesize of output 75 [2024-11-23 23:18:50,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:50,878 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 79 treesize of output 78 [2024-11-23 23:18:51,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:51,968 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 91 treesize of output 95 [2024-11-23 23:18:53,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:53,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 111 treesize of output 51 [2024-11-23 23:18:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 928 proven. 75 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-23 23:18:54,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:18:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:18:55,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:18:55,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957519267] [2024-11-23 23:18:55,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957519267] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:55,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:18:55,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [23] total 29 [2024-11-23 23:18:55,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020333081] [2024-11-23 23:18:55,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:18:55,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:18:55,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:18:55,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:18:55,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2024-11-23 23:18:55,114 INFO L87 Difference]: Start difference. First operand 301 states and 376 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:18:56,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:56,823 INFO L93 Difference]: Finished difference Result 805 states and 988 transitions. [2024-11-23 23:18:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:18:56,824 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2024-11-23 23:18:56,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:56,828 INFO L225 Difference]: With dead ends: 805 [2024-11-23 23:18:56,828 INFO L226 Difference]: Without dead ends: 507 [2024-11-23 23:18:56,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=153, Invalid=1037, Unknown=0, NotChecked=0, Total=1190 [2024-11-23 23:18:56,830 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 74 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:56,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1329 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:18:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-23 23:18:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 483. [2024-11-23 23:18:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 384 states have (on average 1.1510416666666667) internal successors, (442), 388 states have internal predecessors, (442), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:18:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 590 transitions. [2024-11-23 23:18:57,022 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 590 transitions. Word has length 199 [2024-11-23 23:18:57,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:57,022 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 590 transitions. [2024-11-23 23:18:57,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:18:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 590 transitions. [2024-11-23 23:18:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-23 23:18:57,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:57,025 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:57,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-23 23:18:57,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:18:57,226 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:57,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash -73197672, now seen corresponding path program 1 times [2024-11-23 23:18:57,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:18:57,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682899070] [2024-11-23 23:18:57,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:57,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:18:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:18:57,229 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:18:57,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-23 23:18:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:57,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-23 23:18:57,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:57,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:18:58,060 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 17 [2024-11-23 23:18:58,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:58,396 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 48 treesize of output 31 [2024-11-23 23:18:58,638 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:58,639 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 43 treesize of output 41 [2024-11-23 23:18:59,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:59,003 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 58 treesize of output 44 [2024-11-23 23:18:59,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:59,273 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 58 treesize of output 44 [2024-11-23 23:18:59,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:18:59,609 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 53 treesize of output 54 [2024-11-23 23:19:00,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:00,066 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 68 treesize of output 57 [2024-11-23 23:19:00,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:00,484 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 68 treesize of output 57 [2024-11-23 23:19:01,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:01,238 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 74 treesize of output 59 [2024-11-23 23:19:02,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:02,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 33 [2024-11-23 23:19:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 903 proven. 87 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-23 23:19:02,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:19:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:02,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:02,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682899070] [2024-11-23 23:19:02,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682899070] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:19:02,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:19:02,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2024-11-23 23:19:02,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566650819] [2024-11-23 23:19:02,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:02,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:19:02,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:02,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:19:02,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:19:02,747 INFO L87 Difference]: Start difference. First operand 483 states and 590 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:03,565 INFO L93 Difference]: Finished difference Result 975 states and 1186 transitions. [2024-11-23 23:19:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:19:03,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2024-11-23 23:19:03,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:03,568 INFO L225 Difference]: With dead ends: 975 [2024-11-23 23:19:03,568 INFO L226 Difference]: Without dead ends: 495 [2024-11-23 23:19:03,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 374 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:19:03,569 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 64 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:03,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 598 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:19:03,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-23 23:19:03,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 471. [2024-11-23 23:19:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 372 states have (on average 1.1451612903225807) internal successors, (426), 376 states have internal predecessors, (426), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 23:19:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 574 transitions. [2024-11-23 23:19:03,717 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 574 transitions. Word has length 199 [2024-11-23 23:19:03,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:03,717 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 574 transitions. [2024-11-23 23:19:03,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 574 transitions. [2024-11-23 23:19:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-23 23:19:03,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:03,720 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:03,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-23 23:19:03,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:03,920 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:03,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash -638701160, now seen corresponding path program 1 times [2024-11-23 23:19:03,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:03,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085770467] [2024-11-23 23:19:03,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:03,926 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:03,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-23 23:19:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:04,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-23 23:19:04,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:04,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:19:04,718 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 17 [2024-11-23 23:19:05,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:05,046 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 48 treesize of output 31 [2024-11-23 23:19:05,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:05,264 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 43 treesize of output 41 [2024-11-23 23:19:05,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:05,586 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 53 treesize of output 54 [2024-11-23 23:19:06,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:06,038 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 63 treesize of output 67 [2024-11-23 23:19:06,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:06,569 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 73 treesize of output 80 [2024-11-23 23:19:07,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:07,180 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 88 treesize of output 83 [2024-11-23 23:19:07,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:07,765 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 83 treesize of output 93 [2024-11-23 23:19:09,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:09,059 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 107 treesize of output 99 [2024-11-23 23:19:10,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:10,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 106 treesize of output 46 [2024-11-23 23:19:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 983 proven. 87 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-23 23:19:10,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:19:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:10,839 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:10,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085770467] [2024-11-23 23:19:10,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085770467] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:19:10,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:19:10,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2024-11-23 23:19:10,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435187213] [2024-11-23 23:19:10,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:10,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:19:10,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:10,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:19:10,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:19:10,841 INFO L87 Difference]: Start difference. First operand 471 states and 574 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:11,741 INFO L93 Difference]: Finished difference Result 971 states and 1174 transitions. [2024-11-23 23:19:11,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:19:11,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2024-11-23 23:19:11,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:11,754 INFO L225 Difference]: With dead ends: 971 [2024-11-23 23:19:11,754 INFO L226 Difference]: Without dead ends: 503 [2024-11-23 23:19:11,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:19:11,760 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 120 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:11,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 470 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:19:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-23 23:19:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 365. [2024-11-23 23:19:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 288 states have (on average 1.1180555555555556) internal successors, (322), 290 states have internal predecessors, (322), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:19:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 442 transitions. [2024-11-23 23:19:11,892 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 442 transitions. Word has length 199 [2024-11-23 23:19:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:11,892 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 442 transitions. [2024-11-23 23:19:11,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 442 transitions. [2024-11-23 23:19:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-23 23:19:11,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:11,895 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:11,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-11-23 23:19:12,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:12,096 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:12,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:12,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1918564838, now seen corresponding path program 1 times [2024-11-23 23:19:12,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:12,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425794676] [2024-11-23 23:19:12,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:12,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:12,099 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:12,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-23 23:19:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:12,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 23:19:12,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:12,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 23:19:12,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-23 23:19:13,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:13,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-11-23 23:19:13,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:13,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-11-23 23:19:13,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:13,503 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 [2024-11-23 23:19:13,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:13,808 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 60 treesize of output 53 [2024-11-23 23:19:14,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:14,063 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 60 treesize of output 53 [2024-11-23 23:19:14,329 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:14,330 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 60 treesize of output 53 [2024-11-23 23:19:14,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:14,829 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 74 treesize of output 79 [2024-11-23 23:19:15,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:15,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 101 treesize of output 41 [2024-11-23 23:19:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 912 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-23 23:19:16,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:19:16,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:16,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425794676] [2024-11-23 23:19:16,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425794676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:19:16,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:19:16,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 23:19:16,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438285821] [2024-11-23 23:19:16,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:16,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:19:16,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:16,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:19:16,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:19:16,064 INFO L87 Difference]: Start difference. First operand 365 states and 442 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-23 23:19:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:19,544 INFO L93 Difference]: Finished difference Result 893 states and 1072 transitions. [2024-11-23 23:19:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:19:19,545 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 199 [2024-11-23 23:19:19,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:19,547 INFO L225 Difference]: With dead ends: 893 [2024-11-23 23:19:19,547 INFO L226 Difference]: Without dead ends: 531 [2024-11-23 23:19:19,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:19:19,549 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 329 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:19,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1196 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-23 23:19:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-23 23:19:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 525. [2024-11-23 23:19:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 408 states have (on average 1.1225490196078431) internal successors, (458), 414 states have internal predecessors, (458), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-23 23:19:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 626 transitions. [2024-11-23 23:19:19,699 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 626 transitions. Word has length 199 [2024-11-23 23:19:19,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:19,700 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 626 transitions. [2024-11-23 23:19:19,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-23 23:19:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 626 transitions. [2024-11-23 23:19:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-23 23:19:19,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:19,702 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:19,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-23 23:19:19,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:19,903 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:19,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:19,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1587889639, now seen corresponding path program 1 times [2024-11-23 23:19:19,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:19,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661338282] [2024-11-23 23:19:19,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:19,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:19,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:19,906 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:19,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-23 23:19:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:20,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:19:20,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:20,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 23:19:20,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-23 23:19:21,262 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 33 treesize of output 26 [2024-11-23 23:19:21,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:21,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 26 [2024-11-23 23:19:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-23 23:19:21,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:19:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-23 23:19:22,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:22,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661338282] [2024-11-23 23:19:22,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661338282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:19:22,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:19:22,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2024-11-23 23:19:22,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500905486] [2024-11-23 23:19:22,426 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:19:22,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:19:22,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:22,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:19:22,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:19:22,428 INFO L87 Difference]: Start difference. First operand 525 states and 626 transitions. Second operand has 11 states, 9 states have (on average 12.333333333333334) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 23:19:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:23,630 INFO L93 Difference]: Finished difference Result 1079 states and 1281 transitions. [2024-11-23 23:19:23,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:19:23,631 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 12.333333333333334) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 4 states have call successors, (47) Word has length 202 [2024-11-23 23:19:23,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:23,635 INFO L225 Difference]: With dead ends: 1079 [2024-11-23 23:19:23,636 INFO L226 Difference]: Without dead ends: 557 [2024-11-23 23:19:23,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:19:23,637 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 111 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:23,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 494 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:19:23,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-23 23:19:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 525. [2024-11-23 23:19:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 408 states have (on average 1.1127450980392157) internal successors, (454), 414 states have internal predecessors, (454), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-23 23:19:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 622 transitions. [2024-11-23 23:19:23,892 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 622 transitions. Word has length 202 [2024-11-23 23:19:23,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:23,892 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 622 transitions. [2024-11-23 23:19:23,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 12.333333333333334) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 23:19:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 622 transitions. [2024-11-23 23:19:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 23:19:23,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:23,895 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:23,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-23 23:19:24,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:24,096 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:24,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash -247245715, now seen corresponding path program 1 times [2024-11-23 23:19:24,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:24,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656370228] [2024-11-23 23:19:24,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:24,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:24,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:24,100 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:24,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-23 23:19:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:24,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:19:24,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:24,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 23:19:26,730 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 121 treesize of output 61 [2024-11-23 23:19:27,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:27,485 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 203 treesize of output 77 [2024-11-23 23:19:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-23 23:19:27,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:19:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:28,488 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:28,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656370228] [2024-11-23 23:19:28,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656370228] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:19:28,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:19:28,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2024-11-23 23:19:28,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598949574] [2024-11-23 23:19:28,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:28,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:19:28,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:28,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:19:28,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:19:28,490 INFO L87 Difference]: Start difference. First operand 525 states and 622 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:29,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:29,200 INFO L93 Difference]: Finished difference Result 1047 states and 1241 transitions. [2024-11-23 23:19:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:19:29,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-11-23 23:19:29,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:29,205 INFO L225 Difference]: With dead ends: 1047 [2024-11-23 23:19:29,205 INFO L226 Difference]: Without dead ends: 525 [2024-11-23 23:19:29,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:19:29,207 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 77 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:29,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 552 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:19:29,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-23 23:19:29,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2024-11-23 23:19:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 408 states have (on average 1.1029411764705883) internal successors, (450), 414 states have internal predecessors, (450), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-23 23:19:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 618 transitions. [2024-11-23 23:19:29,483 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 618 transitions. Word has length 204 [2024-11-23 23:19:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:29,483 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 618 transitions. [2024-11-23 23:19:29,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 618 transitions. [2024-11-23 23:19:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 23:19:29,487 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:29,487 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:29,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-23 23:19:29,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:29,688 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:29,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:29,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2024100119, now seen corresponding path program 1 times [2024-11-23 23:19:29,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:29,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493173404] [2024-11-23 23:19:29,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:29,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:29,692 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-23 23:19:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:30,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:19:30,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:31,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 23:19:31,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-23 23:19:31,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:19:31,910 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 120 treesize of output 50 [2024-11-23 23:19:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:31,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:19:31,970 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:31,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493173404] [2024-11-23 23:19:31,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493173404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:19:31,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:19:31,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:19:31,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76729190] [2024-11-23 23:19:31,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:31,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:19:31,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:31,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:19:31,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:19:31,972 INFO L87 Difference]: Start difference. First operand 525 states and 618 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:33,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:33,311 INFO L93 Difference]: Finished difference Result 698 states and 842 transitions. [2024-11-23 23:19:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:19:33,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-11-23 23:19:33,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:33,316 INFO L225 Difference]: With dead ends: 698 [2024-11-23 23:19:33,316 INFO L226 Difference]: Without dead ends: 696 [2024-11-23 23:19:33,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:19:33,316 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 141 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:33,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 952 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:19:33,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-23 23:19:33,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 537. [2024-11-23 23:19:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.1) internal successors, (462), 426 states have internal predecessors, (462), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-23 23:19:33,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 630 transitions. [2024-11-23 23:19:33,513 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 630 transitions. Word has length 204 [2024-11-23 23:19:33,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:33,513 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 630 transitions. [2024-11-23 23:19:33,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 630 transitions. [2024-11-23 23:19:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 23:19:33,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:33,515 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:33,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-23 23:19:33,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:33,716 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:33,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:33,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253077, now seen corresponding path program 1 times [2024-11-23 23:19:33,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:33,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690731766] [2024-11-23 23:19:33,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:33,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:33,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:33,719 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:33,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-23 23:19:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:34,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:19:34,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:34,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-11-23 23:19:34,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-11-23 23:19:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:34,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:19:34,466 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690731766] [2024-11-23 23:19:34,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690731766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:19:34,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:19:34,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:19:34,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186461054] [2024-11-23 23:19:34,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:34,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:19:34,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:34,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:19:34,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:19:34,468 INFO L87 Difference]: Start difference. First operand 537 states and 630 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:35,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:35,357 INFO L93 Difference]: Finished difference Result 1192 states and 1412 transitions. [2024-11-23 23:19:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:19:35,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-11-23 23:19:35,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:35,362 INFO L225 Difference]: With dead ends: 1192 [2024-11-23 23:19:35,362 INFO L226 Difference]: Without dead ends: 658 [2024-11-23 23:19:35,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:19:35,364 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 89 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:35,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 680 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:19:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-23 23:19:35,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 656. [2024-11-23 23:19:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 491 states have (on average 1.0814663951120163) internal successors, (531), 499 states have internal predecessors, (531), 124 states have call successors, (124), 40 states have call predecessors, (124), 40 states have return successors, (124), 116 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-23 23:19:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 779 transitions. [2024-11-23 23:19:35,594 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 779 transitions. Word has length 204 [2024-11-23 23:19:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:35,595 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 779 transitions. [2024-11-23 23:19:35,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 779 transitions. [2024-11-23 23:19:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 23:19:35,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:35,597 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:35,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-23 23:19:35,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:35,798 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:35,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash 432812655, now seen corresponding path program 1 times [2024-11-23 23:19:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:35,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595738362] [2024-11-23 23:19:35,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:35,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:35,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:35,802 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:35,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-23 23:19:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:36,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:19:36,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:36,249 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 15 [2024-11-23 23:19:36,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-11-23 23:19:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:36,475 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:19:36,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:36,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595738362] [2024-11-23 23:19:36,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1595738362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:19:36,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:19:36,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:19:36,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492051127] [2024-11-23 23:19:36,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:36,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:19:36,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:36,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:19:36,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:19:36,477 INFO L87 Difference]: Start difference. First operand 656 states and 779 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:37,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:37,673 INFO L93 Difference]: Finished difference Result 1672 states and 1954 transitions. [2024-11-23 23:19:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:19:37,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-11-23 23:19:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:37,679 INFO L225 Difference]: With dead ends: 1672 [2024-11-23 23:19:37,679 INFO L226 Difference]: Without dead ends: 1130 [2024-11-23 23:19:37,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:19:37,680 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 83 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:37,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 895 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:19:37,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-11-23 23:19:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1128. [2024-11-23 23:19:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 855 states have (on average 1.0701754385964912) internal successors, (915), 871 states have internal predecessors, (915), 200 states have call successors, (200), 72 states have call predecessors, (200), 72 states have return successors, (200), 184 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-23 23:19:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1315 transitions. [2024-11-23 23:19:38,110 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1315 transitions. Word has length 204 [2024-11-23 23:19:38,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:38,110 INFO L471 AbstractCegarLoop]: Abstraction has 1128 states and 1315 transitions. [2024-11-23 23:19:38,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1315 transitions. [2024-11-23 23:19:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 23:19:38,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:38,112 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:38,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-23 23:19:38,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:38,313 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:38,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:38,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1412554511, now seen corresponding path program 1 times [2024-11-23 23:19:38,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:19:38,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313487899] [2024-11-23 23:19:38,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:38,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:38,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:19:38,316 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:19:38,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-23 23:19:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:38,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:19:38,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-23 23:19:38,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:19:38,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:19:38,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313487899] [2024-11-23 23:19:38,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313487899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:19:38,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:19:38,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:19:38,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512795365] [2024-11-23 23:19:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:38,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:19:38,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:19:38,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:19:38,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:19:38,823 INFO L87 Difference]: Start difference. First operand 1128 states and 1315 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:39,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:39,368 INFO L93 Difference]: Finished difference Result 1648 states and 1913 transitions. [2024-11-23 23:19:39,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:19:39,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-11-23 23:19:39,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:39,370 INFO L225 Difference]: With dead ends: 1648 [2024-11-23 23:19:39,370 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:19:39,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:19:39,376 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 48 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:19:39,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 598 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:19:39,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:19:39,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:19:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:19:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:19:39,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-11-23 23:19:39,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:39,382 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:19:39,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-23 23:19:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:19:39,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:19:39,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:19:39,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2024-11-23 23:19:39,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26ae5ef-1f9d-468c-8801-161537cd9d50/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:19:39,592 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:19:39,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:20:04,220 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 293 DAG size of output: 335 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:20:30,989 WARN L286 SmtUtils]: Spent 13.67s on a formula simplification. DAG size of input: 270 DAG size of output: 349 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:20:50,786 WARN L286 SmtUtils]: Spent 19.21s on a formula simplification. DAG size of input: 251 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:21:02,728 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 270 DAG size of output: 317 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:21:21,211 WARN L286 SmtUtils]: Spent 14.94s on a formula simplification. DAG size of input: 270 DAG size of output: 349 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:21:29,986 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 252 DAG size of output: 299 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:22:00,854 WARN L286 SmtUtils]: Spent 28.34s on a formula simplification. DAG size of input: 269 DAG size of output: 348 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:22:17,018 WARN L286 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 269 DAG size of output: 345 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:22:26,550 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 270 DAG size of output: 317 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:22:35,029 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification. DAG size of input: 265 DAG size of output: 341 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:22:59,982 WARN L286 SmtUtils]: Spent 24.35s on a formula simplification. DAG size of input: 251 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:23:17,135 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 265 DAG size of output: 341 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:23:28,485 WARN L286 SmtUtils]: Spent 9.29s on a formula simplification. DAG size of input: 269 DAG size of output: 345 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:24:04,695 WARN L286 SmtUtils]: Spent 30.46s on a formula simplification. DAG size of input: 269 DAG size of output: 348 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 23:24:24,797 WARN L286 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 216 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:24:34,959 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 242 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:24:43,804 WARN L286 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 208 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:24:52,684 WARN L286 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 216 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:25:00,683 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification. DAG size of input: 292 DAG size of output: 113 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:25:07,110 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 195 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:25:16,401 WARN L286 SmtUtils]: Spent 9.29s on a formula simplification. DAG size of input: 276 DAG size of output: 149 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:25:25,680 WARN L286 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 216 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:28:03,480 WARN L286 SmtUtils]: Spent 2.63m on a formula simplification. DAG size of input: 1123 DAG size of output: 167 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:28:15,150 WARN L286 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 242 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:28:22,991 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 281 DAG size of output: 154 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:28:32,321 WARN L286 SmtUtils]: Spent 9.33s on a formula simplification. DAG size of input: 216 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:28:42,906 WARN L286 SmtUtils]: Spent 10.58s on a formula simplification. DAG size of input: 216 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:29:03,557 WARN L286 SmtUtils]: Spent 20.65s on a formula simplification. DAG size of input: 288 DAG size of output: 133 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-23 23:29:13,517 WARN L286 SmtUtils]: Spent 9.96s on a formula simplification. DAG size of input: 335 DAG size of output: 160 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)