./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya --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 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:33:18,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:33:18,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:33:18,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:33:18,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:33:18,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:33:18,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:33:18,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:33:18,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:33:18,976 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:33:18,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:33:18,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:33:18,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:33:18,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:33:18,978 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:33:18,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:33:18,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:33:18,980 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:33:18,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:33:18,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:33:18,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:33:18,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:33:18,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:33:18,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:33:18,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:33:18,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:33:18,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:33:18,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:33:18,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:33:18,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:33:18,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:33:18,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:18,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:33:18,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:33:18,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:33:18,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:33:18,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:33:18,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:33:18,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:33:18,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:33:18,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:33:18,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:33:18,992 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 [2023-11-29 05:33:19,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:33:19,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:33:19,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:33:19,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:33:19,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:33:19,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2023-11-29 05:33:22,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:33:22,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:33:22,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2023-11-29 05:33:22,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data/8bf776439/273f18b9bf7d4f5b852c88c8b62d226a/FLAG835a86170 [2023-11-29 05:33:22,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data/8bf776439/273f18b9bf7d4f5b852c88c8b62d226a [2023-11-29 05:33:22,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:33:22,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:33:22,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:22,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:33:22,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:33:22,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414c9626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22, skipping insertion in model container [2023-11-29 05:33:22,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:33:22,379 WARN L240 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_6cc75f08-99cf-4296-b1df-d937cfa083db/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2023-11-29 05:33:22,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:22,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:33:22,455 WARN L240 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_6cc75f08-99cf-4296-b1df-d937cfa083db/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2023-11-29 05:33:22,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:22,510 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:33:22,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22 WrapperNode [2023-11-29 05:33:22,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:22,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:22,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:33:22,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:33:22,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,573 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2023-11-29 05:33:22,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:22,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:33:22,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:33:22,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:33:22,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,610 INFO L175 MemorySlicer]: Split 123 memory accesses to 7 slices as follows [2, 8, 44, 29, 9, 3, 28]. 36 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 5, 2, 2, 1, 3]. The 16 writes are split as follows [0, 1, 6, 3, 2, 1, 3]. [2023-11-29 05:33:22,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:33:22,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:33:22,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:33:22,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:33:22,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (1/1) ... [2023-11-29 05:33:22,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:22,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:33:22,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:33:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:33:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:33:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:33:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:33:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:33:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:33:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 05:33:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 05:33:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 05:33:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 05:33:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 05:33:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 05:33:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 05:33:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 05:33:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 05:33:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 05:33:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 05:33:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 05:33:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 05:33:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 05:33:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 05:33:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 05:33:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 05:33:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 05:33:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 05:33:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 05:33:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 05:33:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 05:33:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 05:33:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-29 05:33:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:33:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:33:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:33:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:33:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:33:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:33:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:33:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 05:33:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 05:33:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:33:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:33:22,866 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:33:22,868 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:33:23,300 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:33:23,334 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:33:23,334 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:33:23,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:23 BoogieIcfgContainer [2023-11-29 05:33:23,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:33:23,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:33:23,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:33:23,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:33:23,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:33:22" (1/3) ... [2023-11-29 05:33:23,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5082e742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:23, skipping insertion in model container [2023-11-29 05:33:23,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:22" (2/3) ... [2023-11-29 05:33:23,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5082e742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:23, skipping insertion in model container [2023-11-29 05:33:23,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:23" (3/3) ... [2023-11-29 05:33:23,344 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-65.i [2023-11-29 05:33:23,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:33:23,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:33:23,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:33:23,411 INFO L357 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, mHoare=true, 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;@4c62e09e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:33:23,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:33:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:23,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:23,429 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:23,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:23,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:23,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2011339182, now seen corresponding path program 1 times [2023-11-29 05:33:23,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:23,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54478228] [2023-11-29 05:33:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:23,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:33:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:33:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:33:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:33:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:33:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:33:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:23,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:23,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54478228] [2023-11-29 05:33:23,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54478228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:23,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:23,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:33:23,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356553498] [2023-11-29 05:33:23,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:23,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:33:23,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:23,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:33:23,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:23,820 INFO L87 Difference]: Start difference. First operand has 106 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:23,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:23,865 INFO L93 Difference]: Finished difference Result 209 states and 327 transitions. [2023-11-29 05:33:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:33:23,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-29 05:33:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:23,876 INFO L225 Difference]: With dead ends: 209 [2023-11-29 05:33:23,876 INFO L226 Difference]: Without dead ends: 104 [2023-11-29 05:33:23,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:23,884 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 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 [2023-11-29 05:33:23,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:23,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-29 05:33:23,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-29 05:33:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 91 states have internal predecessors, (130), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2023-11-29 05:33:23,933 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 107 [2023-11-29 05:33:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:23,933 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2023-11-29 05:33:23,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2023-11-29 05:33:23,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:23,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:23,939 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:23,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:33:23,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:23,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash -259023512, now seen corresponding path program 1 times [2023-11-29 05:33:23,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:23,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604492067] [2023-11-29 05:33:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:23,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:33:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:33:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:33:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:33:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:33:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:33:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:24,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604492067] [2023-11-29 05:33:24,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604492067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:24,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:24,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:24,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607055159] [2023-11-29 05:33:24,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:24,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:24,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:24,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:24,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:24,206 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:24,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:24,263 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2023-11-29 05:33:24,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:33:24,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-29 05:33:24,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:24,266 INFO L225 Difference]: With dead ends: 213 [2023-11-29 05:33:24,266 INFO L226 Difference]: Without dead ends: 110 [2023-11-29 05:33:24,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:24,269 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 10 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:24,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 433 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:24,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-29 05:33:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-11-29 05:33:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2023-11-29 05:33:24,284 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 107 [2023-11-29 05:33:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:24,295 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2023-11-29 05:33:24,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2023-11-29 05:33:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:24,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:24,298 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:24,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:33:24,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:24,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:24,299 INFO L85 PathProgramCache]: Analyzing trace with hash 624485478, now seen corresponding path program 1 times [2023-11-29 05:33:24,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:24,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276168235] [2023-11-29 05:33:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:24,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:33:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:33:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:33:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:33:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:33:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:33:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:24,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:24,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276168235] [2023-11-29 05:33:24,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276168235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:24,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:24,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:33:24,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419828452] [2023-11-29 05:33:24,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:24,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:33:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:24,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:33:24,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:24,570 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:24,634 INFO L93 Difference]: Finished difference Result 235 states and 341 transitions. [2023-11-29 05:33:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:33:24,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-29 05:33:24,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:24,637 INFO L225 Difference]: With dead ends: 235 [2023-11-29 05:33:24,638 INFO L226 Difference]: Without dead ends: 130 [2023-11-29 05:33:24,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:33:24,640 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 72 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:24,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 617 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-29 05:33:24,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 109. [2023-11-29 05:33:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.40625) internal successors, (135), 96 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2023-11-29 05:33:24,654 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 107 [2023-11-29 05:33:24,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:24,655 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2023-11-29 05:33:24,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2023-11-29 05:33:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:24,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:24,658 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:24,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:33:24,658 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:24,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:24,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1541226316, now seen corresponding path program 1 times [2023-11-29 05:33:24,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:24,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686422006] [2023-11-29 05:33:24,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:33:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:33:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:33:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:33:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:33:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:33:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:24,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:24,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686422006] [2023-11-29 05:33:24,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686422006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:24,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:24,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:24,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022447307] [2023-11-29 05:33:24,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:24,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:24,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:24,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:24,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:24,801 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:24,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:24,840 INFO L93 Difference]: Finished difference Result 229 states and 330 transitions. [2023-11-29 05:33:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:33:24,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-29 05:33:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:24,843 INFO L225 Difference]: With dead ends: 229 [2023-11-29 05:33:24,843 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 05:33:24,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:24,846 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 21 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:24,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 435 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 05:33:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2023-11-29 05:33:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 98 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2023-11-29 05:33:24,857 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 107 [2023-11-29 05:33:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:24,858 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2023-11-29 05:33:24,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2023-11-29 05:33:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:24,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:24,861 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:24,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:33:24,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:24,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:24,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1944394354, now seen corresponding path program 1 times [2023-11-29 05:33:24,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:24,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725772489] [2023-11-29 05:33:24,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:24,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:33:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:33:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:33:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:33:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:33:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:33:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:25,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:25,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725772489] [2023-11-29 05:33:25,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725772489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:25,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:25,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:25,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232056601] [2023-11-29 05:33:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:25,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:25,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:25,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:25,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:25,032 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:25,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:25,068 INFO L93 Difference]: Finished difference Result 229 states and 328 transitions. [2023-11-29 05:33:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:33:25,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-29 05:33:25,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:25,070 INFO L225 Difference]: With dead ends: 229 [2023-11-29 05:33:25,070 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 05:33:25,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:25,072 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 12 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:25,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 433 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 05:33:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-11-29 05:33:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 161 transitions. [2023-11-29 05:33:25,081 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 161 transitions. Word has length 107 [2023-11-29 05:33:25,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:25,082 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 161 transitions. [2023-11-29 05:33:25,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:25,082 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2023-11-29 05:33:25,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:25,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:25,084 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:25,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:33:25,084 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:25,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2001652656, now seen corresponding path program 1 times [2023-11-29 05:33:25,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:25,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759307538] [2023-11-29 05:33:25,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:33:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:33:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:33:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:33:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:33:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:33:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:25,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:25,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759307538] [2023-11-29 05:33:25,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759307538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:25,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:25,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378875522] [2023-11-29 05:33:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:25,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:25,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:25,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:25,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:25,239 INFO L87 Difference]: Start difference. First operand 113 states and 161 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:25,274 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2023-11-29 05:33:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:33:25,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-29 05:33:25,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:25,276 INFO L225 Difference]: With dead ends: 229 [2023-11-29 05:33:25,276 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 05:33:25,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:25,277 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 3 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:25,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 433 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:25,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 05:33:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2023-11-29 05:33:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2023-11-29 05:33:25,286 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 107 [2023-11-29 05:33:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:25,286 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2023-11-29 05:33:25,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2023-11-29 05:33:25,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:25,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:25,288 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:25,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:33:25,288 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:25,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:25,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2001712238, now seen corresponding path program 1 times [2023-11-29 05:33:25,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:25,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388922442] [2023-11-29 05:33:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:25,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:33:25,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:33:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:33:25,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:33:25,453 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:33:25,454 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:33:25,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:33:25,459 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:25,463 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:33:25,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-29 05:33:25,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-29 05:33:25,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 05:33:25,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 05:33:25,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 05:33:25,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-29 05:33:25,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 05:33:25,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-29 05:33:25,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 05:33:25,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 05:33:25,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-29 05:33:25,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-29 05:33:25,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 05:33:25,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 05:33:25,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 05:33:25,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 05:33:25,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 05:33:25,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-29 05:33:25,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 05:33:25,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-29 05:33:25,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-29 05:33:25,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-29 05:33:25,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 05:33:25,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 05:33:25,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:25,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:25,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:25,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 05:33:25,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 05:33:25,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:25,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:25,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 05:33:25,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:25,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:25,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 05:33:25,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 05:33:25,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 05:33:25,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 05:33:25,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-29 05:33:25,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 05:33:25,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 05:33:25,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-29 05:33:25,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-29 05:33:25,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 05:33:25,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-29 05:33:25,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 05:33:25,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 05:33:25,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 05:33:25,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 05:33:25,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 05:33:25,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-29 05:33:25,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 05:33:25,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 05:33:25,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 05:33:25,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-29 05:33:25,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 05:33:25,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 05:33:25,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:33:25,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 05:33:25,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 05:33:25,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 05:33:25,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated [2023-11-29 05:33:25,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 05:33:25,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated [2023-11-29 05:33:25,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 05:33:25,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated [2023-11-29 05:33:25,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-29 05:33:25,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-29 05:33:25,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 05:33:25,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 05:33:25,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated [2023-11-29 05:33:25,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 05:33:25,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated [2023-11-29 05:33:25,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:33:25 BoogieIcfgContainer [2023-11-29 05:33:25,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:33:25,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:33:25,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:33:25,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:33:25,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:23" (3/4) ... [2023-11-29 05:33:25,563 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:33:25,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:33:25,564 INFO L158 Benchmark]: Toolchain (without parser) took 3348.16ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 96.0MB in the beginning and 68.8MB in the end (delta: 27.2MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2023-11-29 05:33:25,565 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:25,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.91ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 81.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:33:25,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.91ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 78.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:33:25,565 INFO L158 Benchmark]: Boogie Preprocessor took 81.45ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 72.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:33:25,566 INFO L158 Benchmark]: RCFGBuilder took 678.31ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 72.9MB in the beginning and 168.0MB in the end (delta: -95.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-11-29 05:33:25,566 INFO L158 Benchmark]: TraceAbstraction took 2221.87ms. Allocated memory is still 207.6MB. Free memory was 168.0MB in the beginning and 68.8MB in the end (delta: 99.2MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2023-11-29 05:33:25,566 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 207.6MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:25,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.91ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 81.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.91ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 78.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.45ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 72.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 678.31ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 72.9MB in the beginning and 168.0MB in the end (delta: -95.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2221.87ms. Allocated memory is still 207.6MB. Free memory was 168.0MB in the beginning and 68.8MB in the end (delta: 99.2MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 207.6MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someUnaryFLOAToperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L28-L30] float float_Array_0[2] = { 8.2, 1000000000.1 }; [L28-L30] float float_Array_0[2] = { 8.2, 1000000000.1 }; [L28-L30] float float_Array_0[2] = { 8.2, 1000000000.1 }; [L31-L33] signed char signed_char_Array_0[2] = { -8, 8 }; [L31-L33] signed char signed_char_Array_0[2] = { -8, 8 }; [L31-L33] signed char signed_char_Array_0[2] = { -8, 8 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -32 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -32 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L40] double last_1_double_Array_0_1_ = 100.5; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] CALL updateLastVariables() [L89] EXPR double_Array_0[1] [L89] last_1_double_Array_0_1_ = double_Array_0[1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] double_Array_0[0] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[0] [L72] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L72] EXPR double_Array_0[0] [L72] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] double_Array_0[2] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[2] [L74] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L74] EXPR double_Array_0[2] [L74] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] double_Array_0[3] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR (double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR (double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not((double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not((double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] double_Array_0[4] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[4] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L78] EXPR double_Array_0[4] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] RET assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] float_Array_0[0] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L82] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_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, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(signed_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, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] RET updateVariables() [L101] CALL step() [L44] COND TRUE 0.625f > last_1_double_Array_0_1_ [L45] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L45] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L51] EXPR signed_char_Array_0[1] [L51] signed_char_Array_0[0] = signed_char_Array_0[1] [L52] EXPR unsigned_short_int_Array_0[2] [L52] unsigned_short_int_Array_0[1] = unsigned_short_int_Array_0[2] [L53] EXPR unsigned_short_int_Array_0[2] [L53] unsigned_short_int_Array_0[0] = unsigned_short_int_Array_0[2] [L54] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L54] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L59] EXPR float_Array_0[1] [L59] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L59] COND TRUE float_Array_0[1] <= float_Array_0[1] [L60] EXPR double_Array_0[2] [L60] EXPR double_Array_0[3] [L60] EXPR double_Array_0[4] [L60] double_Array_0[1] = (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])) [L63] EXPR float_Array_0[0] [L63] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L63] COND FALSE !(float_Array_0[0] > double_Array_0[1]) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR (0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) [L92] EXPR float_Array_0[1] [L92] 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, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L92] EXPR float_Array_0[0] [L92] EXPR ((float_Array_0[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, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[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, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92-L93] return ((((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_short_int_Array_0[2])) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 2499 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1599 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 900 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 43 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1320/1320 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 05:33:25,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya --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 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:33:27,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:33:27,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:33:27,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:33:27,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:33:27,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:33:27,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:33:27,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:33:27,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:33:27,616 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:33:27,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:33:27,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:33:27,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:33:27,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:33:27,619 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:33:27,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:33:27,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:33:27,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:33:27,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:33:27,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:33:27,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:33:27,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:33:27,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:33:27,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:33:27,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:33:27,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:33:27,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:33:27,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:33:27,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:33:27,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:33:27,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:33:27,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:33:27,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:33:27,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:27,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:33:27,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:33:27,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:33:27,627 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:33:27,627 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:33:27,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:33:27,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:33:27,628 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:33:27,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:33:27,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:33:27,629 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:33:27,629 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 [2023-11-29 05:33:27,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:33:27,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:33:27,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:33:27,953 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:33:27,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:33:27,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2023-11-29 05:33:30,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:33:30,928 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:33:30,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2023-11-29 05:33:30,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data/bc164a488/07e8e23dc1264851b1a4162ed306ec78/FLAGb3697e8e8 [2023-11-29 05:33:30,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/data/bc164a488/07e8e23dc1264851b1a4162ed306ec78 [2023-11-29 05:33:30,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:33:30,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:33:30,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:30,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:33:30,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:33:30,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:30" (1/1) ... [2023-11-29 05:33:30,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df22f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:30, skipping insertion in model container [2023-11-29 05:33:30,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:30" (1/1) ... [2023-11-29 05:33:30,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:33:31,143 WARN L240 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_6cc75f08-99cf-4296-b1df-d937cfa083db/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2023-11-29 05:33:31,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:31,226 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:33:31,239 WARN L240 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_6cc75f08-99cf-4296-b1df-d937cfa083db/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2023-11-29 05:33:31,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:31,305 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:33:31,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31 WrapperNode [2023-11-29 05:33:31,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:31,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:31,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:33:31,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:33:31,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,372 INFO L138 Inliner]: procedures = 39, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 438 [2023-11-29 05:33:31,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:31,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:33:31,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:33:31,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:33:31,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,425 INFO L175 MemorySlicer]: Split 123 memory accesses to 7 slices as follows [2, 8, 44, 29, 9, 3, 28]. 36 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 5, 2, 2, 1, 3]. The 16 writes are split as follows [0, 1, 6, 3, 2, 1, 3]. [2023-11-29 05:33:31,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:33:31,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:33:31,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:33:31,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:33:31,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (1/1) ... [2023-11-29 05:33:31,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:31,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:31,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:33:31,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:33:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:33:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 05:33:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 05:33:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 05:33:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 05:33:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-29 05:33:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-29 05:33:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-29 05:33:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 05:33:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 05:33:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 05:33:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 05:33:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-29 05:33:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-29 05:33:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-29 05:33:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 05:33:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 05:33:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 05:33:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 05:33:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 05:33:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 05:33:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 05:33:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 05:33:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 05:33:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-29 05:33:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-29 05:33:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-29 05:33:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-29 05:33:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-11-29 05:33:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:33:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:33:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 05:33:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 05:33:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 05:33:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-29 05:33:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 05:33:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-29 05:33:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 05:33:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-29 05:33:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-29 05:33:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-29 05:33:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:33:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:33:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:33:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:33:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 05:33:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 05:33:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 05:33:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 05:33:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 05:33:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 05:33:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 05:33:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 05:33:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 05:33:31,761 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:33:31,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:33:38,417 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:33:38,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:33:38,466 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:33:38,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:38 BoogieIcfgContainer [2023-11-29 05:33:38,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:33:38,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:33:38,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:33:38,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:33:38,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:33:30" (1/3) ... [2023-11-29 05:33:38,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25435883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:38, skipping insertion in model container [2023-11-29 05:33:38,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:31" (2/3) ... [2023-11-29 05:33:38,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25435883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:38, skipping insertion in model container [2023-11-29 05:33:38,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:38" (3/3) ... [2023-11-29 05:33:38,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-65.i [2023-11-29 05:33:38,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:33:38,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:33:38,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:33:38,547 INFO L357 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, mHoare=true, 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;@33ec7bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:33:38,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:33:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:38,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:38,578 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:38,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:38,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:38,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2011339182, now seen corresponding path program 1 times [2023-11-29 05:33:38,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:38,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465851785] [2023-11-29 05:33:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:38,600 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 [2023-11-29 05:33:38,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:38,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:38,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:39,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:33:39,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-29 05:33:39,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:39,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:39,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465851785] [2023-11-29 05:33:39,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465851785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:39,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:39,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:33:39,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439996774] [2023-11-29 05:33:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:39,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:33:39,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:39,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:33:39,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:39,233 INFO L87 Difference]: Start difference. First operand has 106 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:39,291 INFO L93 Difference]: Finished difference Result 209 states and 327 transitions. [2023-11-29 05:33:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:33:39,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-29 05:33:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:39,300 INFO L225 Difference]: With dead ends: 209 [2023-11-29 05:33:39,300 INFO L226 Difference]: Without dead ends: 104 [2023-11-29 05:33:39,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:39,306 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 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 [2023-11-29 05:33:39,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-29 05:33:39,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-29 05:33:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 91 states have internal predecessors, (130), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2023-11-29 05:33:39,346 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 107 [2023-11-29 05:33:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:39,346 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2023-11-29 05:33:39,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2023-11-29 05:33:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:39,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:39,350 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:39,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 05:33:39,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:33:39,555 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:39,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash -259023512, now seen corresponding path program 1 times [2023-11-29 05:33:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:39,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586905101] [2023-11-29 05:33:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:39,557 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 [2023-11-29 05:33:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:39,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:39,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:40,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:33:40,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 05:33:40,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:40,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:40,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586905101] [2023-11-29 05:33:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586905101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:40,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:40,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:40,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191358092] [2023-11-29 05:33:40,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:40,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:40,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:40,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:40,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:40,174 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:40,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:40,381 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2023-11-29 05:33:40,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:33:40,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-29 05:33:40,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:40,383 INFO L225 Difference]: With dead ends: 213 [2023-11-29 05:33:40,383 INFO L226 Difference]: Without dead ends: 110 [2023-11-29 05:33:40,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:40,386 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 10 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:40,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 436 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:33:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-29 05:33:40,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-11-29 05:33:40,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 05:33:40,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2023-11-29 05:33:40,401 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 107 [2023-11-29 05:33:40,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:40,401 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2023-11-29 05:33:40,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:33:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2023-11-29 05:33:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:33:40,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:40,404 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:40,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:40,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:33:40,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:40,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:40,605 INFO L85 PathProgramCache]: Analyzing trace with hash 624485478, now seen corresponding path program 1 times [2023-11-29 05:33:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:40,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135202993] [2023-11-29 05:33:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:40,607 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 [2023-11-29 05:33:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:40,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:40,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:41,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:33:41,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:41,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:33:41,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 20 [2023-11-29 05:33:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:43,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:43,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:43,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135202993] [2023-11-29 05:33:43,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135202993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:43,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:43,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:33:43,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641112126] [2023-11-29 05:33:43,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:43,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:43,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:43,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:43,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:43,586 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:45,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:33:47,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:33:50,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:33:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:52,317 INFO L93 Difference]: Finished difference Result 345 states and 498 transitions. [2023-11-29 05:33:52,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:33:52,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-29 05:33:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:52,320 INFO L225 Difference]: With dead ends: 345 [2023-11-29 05:33:52,320 INFO L226 Difference]: Without dead ends: 240 [2023-11-29 05:33:52,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:52,323 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 190 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:52,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 345 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-11-29 05:33:52,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-29 05:33:52,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 208. [2023-11-29 05:33:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 183 states have (on average 1.3989071038251366) internal successors, (256), 183 states have internal predecessors, (256), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:33:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 300 transitions. [2023-11-29 05:33:52,351 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 300 transitions. Word has length 107 [2023-11-29 05:33:52,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:52,352 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 300 transitions. [2023-11-29 05:33:52,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 300 transitions. [2023-11-29 05:33:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 05:33:52,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:52,355 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:52,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:52,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:33:52,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:52,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash -535187433, now seen corresponding path program 1 times [2023-11-29 05:33:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:52,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603779716] [2023-11-29 05:33:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:52,557 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 [2023-11-29 05:33:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:52,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:52,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:53,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:33:53,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:53,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:53,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:53,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603779716] [2023-11-29 05:33:53,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603779716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:53,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:53,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:33:53,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097207004] [2023-11-29 05:33:53,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:53,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:33:53,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:53,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:33:53,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:53,169 INFO L87 Difference]: Start difference. First operand 208 states and 300 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:53,463 INFO L93 Difference]: Finished difference Result 457 states and 659 transitions. [2023-11-29 05:33:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:33:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-29 05:33:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:53,467 INFO L225 Difference]: With dead ends: 457 [2023-11-29 05:33:53,467 INFO L226 Difference]: Without dead ends: 250 [2023-11-29 05:33:53,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:33:53,469 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 46 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:53,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 570 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:33:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-29 05:33:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 216. [2023-11-29 05:33:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 191 states have (on average 1.382198952879581) internal successors, (264), 191 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:33:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 308 transitions. [2023-11-29 05:33:53,492 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 308 transitions. Word has length 108 [2023-11-29 05:33:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:53,492 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 308 transitions. [2023-11-29 05:33:53,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 308 transitions. [2023-11-29 05:33:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 05:33:53,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:53,495 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:53,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:53,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:33:53,703 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:53,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:53,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1344534059, now seen corresponding path program 1 times [2023-11-29 05:33:53,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:53,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887296351] [2023-11-29 05:33:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:53,704 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 [2023-11-29 05:33:53,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:53,705 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:53,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:54,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:33:54,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:54,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:54,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887296351] [2023-11-29 05:33:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887296351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:54,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:54,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:33:54,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969136683] [2023-11-29 05:33:54,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:33:54,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:54,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:33:54,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:33:54,334 INFO L87 Difference]: Start difference. First operand 216 states and 308 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:54,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:54,819 INFO L93 Difference]: Finished difference Result 471 states and 669 transitions. [2023-11-29 05:33:54,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:33:54,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-29 05:33:54,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:54,823 INFO L225 Difference]: With dead ends: 471 [2023-11-29 05:33:54,823 INFO L226 Difference]: Without dead ends: 256 [2023-11-29 05:33:54,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:33:54,825 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 49 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:54,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 706 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:33:54,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-29 05:33:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 220. [2023-11-29 05:33:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.3743589743589744) internal successors, (268), 195 states have internal predecessors, (268), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:33:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 312 transitions. [2023-11-29 05:33:54,841 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 312 transitions. Word has length 108 [2023-11-29 05:33:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:54,842 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 312 transitions. [2023-11-29 05:33:54,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 312 transitions. [2023-11-29 05:33:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 05:33:54,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:54,844 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:54,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:55,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:33:55,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:55,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:55,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1287275757, now seen corresponding path program 1 times [2023-11-29 05:33:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:55,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047152757] [2023-11-29 05:33:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:55,045 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 [2023-11-29 05:33:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:55,046 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:55,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:55,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:33:55,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:33:55,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:55,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:55,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047152757] [2023-11-29 05:33:55,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047152757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:55,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:55,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:33:55,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334909452] [2023-11-29 05:33:55,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:55,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:33:55,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:55,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:33:55,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:33:55,722 INFO L87 Difference]: Start difference. First operand 220 states and 312 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:56,449 INFO L93 Difference]: Finished difference Result 477 states and 669 transitions. [2023-11-29 05:33:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 05:33:56,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-29 05:33:56,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:56,453 INFO L225 Difference]: With dead ends: 477 [2023-11-29 05:33:56,453 INFO L226 Difference]: Without dead ends: 258 [2023-11-29 05:33:56,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:33:56,455 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 40 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:56,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 836 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:33:56,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-29 05:33:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 224. [2023-11-29 05:33:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 199 states have (on average 1.3668341708542713) internal successors, (272), 199 states have internal predecessors, (272), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:33:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 316 transitions. [2023-11-29 05:33:56,472 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 316 transitions. Word has length 108 [2023-11-29 05:33:56,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:56,473 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 316 transitions. [2023-11-29 05:33:56,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:33:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 316 transitions. [2023-11-29 05:33:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 05:33:56,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:56,475 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:56,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:56,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:33:56,676 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:56,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:56,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1287216175, now seen corresponding path program 1 times [2023-11-29 05:33:56,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:56,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862518565] [2023-11-29 05:33:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:56,677 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 [2023-11-29 05:33:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:56,678 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:33:56,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:33:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:57,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:33:57,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:57,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:33:57,395 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 155 treesize of output 65 [2023-11-29 05:33:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 05:33:57,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:57,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:57,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862518565] [2023-11-29 05:33:57,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862518565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:57,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:57,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:33:57,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83501371] [2023-11-29 05:33:57,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:57,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:33:57,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:57,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:33:57,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:33:57,500 INFO L87 Difference]: Start difference. First operand 224 states and 316 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:02,430 INFO L93 Difference]: Finished difference Result 455 states and 643 transitions. [2023-11-29 05:34:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2023-11-29 05:34:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:02,433 INFO L225 Difference]: With dead ends: 455 [2023-11-29 05:34:02,433 INFO L226 Difference]: Without dead ends: 232 [2023-11-29 05:34:02,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:34:02,435 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 168 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:02,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 371 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 05:34:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-29 05:34:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2023-11-29 05:34:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.3641025641025641) internal successors, (266), 195 states have internal predecessors, (266), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:34:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 310 transitions. [2023-11-29 05:34:02,445 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 310 transitions. Word has length 108 [2023-11-29 05:34:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:02,445 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 310 transitions. [2023-11-29 05:34:02,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 310 transitions. [2023-11-29 05:34:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 05:34:02,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:02,447 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:02,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-29 05:34:02,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:34:02,647 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:02,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2004145865, now seen corresponding path program 1 times [2023-11-29 05:34:02,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:02,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697967194] [2023-11-29 05:34:02,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:02,648 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 [2023-11-29 05:34:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:02,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:34:02,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:03,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:34:03,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:03,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:03,476 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 154 treesize of output 64 [2023-11-29 05:34:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 05:34:03,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:34:04,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:04,320 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 98 treesize of output 1 [2023-11-29 05:34:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-29 05:34:04,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:04,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697967194] [2023-11-29 05:34:04,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697967194] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:34:04,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:34:04,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-29 05:34:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593715320] [2023-11-29 05:34:04,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:34:04,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:34:04,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:04,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:34:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:34:04,328 INFO L87 Difference]: Start difference. First operand 220 states and 310 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-29 05:34:10,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:10,180 INFO L93 Difference]: Finished difference Result 465 states and 649 transitions. [2023-11-29 05:34:10,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:34:10,181 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 110 [2023-11-29 05:34:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:10,182 INFO L225 Difference]: With dead ends: 465 [2023-11-29 05:34:10,182 INFO L226 Difference]: Without dead ends: 224 [2023-11-29 05:34:10,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-29 05:34:10,184 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 159 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:10,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 489 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 05:34:10,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-29 05:34:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2023-11-29 05:34:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.3435897435897435) internal successors, (262), 195 states have internal predecessors, (262), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:34:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 306 transitions. [2023-11-29 05:34:10,195 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 306 transitions. Word has length 110 [2023-11-29 05:34:10,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:10,195 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 306 transitions. [2023-11-29 05:34:10,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-29 05:34:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 306 transitions. [2023-11-29 05:34:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 05:34:10,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:10,197 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:10,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-29 05:34:10,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:34:10,397 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:10,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:10,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1234090229, now seen corresponding path program 1 times [2023-11-29 05:34:10,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:10,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057890025] [2023-11-29 05:34:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:10,399 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 [2023-11-29 05:34:10,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:10,399 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:34:10,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:10,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:34:10,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:11,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:11,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-29 05:34:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 05:34:11,307 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:11,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:11,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057890025] [2023-11-29 05:34:11,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057890025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:11,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:11,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:34:11,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580998096] [2023-11-29 05:34:11,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:11,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:34:11,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:11,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:34:11,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:34:11,310 INFO L87 Difference]: Start difference. First operand 220 states and 306 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:16,026 INFO L93 Difference]: Finished difference Result 451 states and 629 transitions. [2023-11-29 05:34:16,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:16,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2023-11-29 05:34:16,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:16,029 INFO L225 Difference]: With dead ends: 451 [2023-11-29 05:34:16,030 INFO L226 Difference]: Without dead ends: 232 [2023-11-29 05:34:16,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:34:16,031 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:16,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 364 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 05:34:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-29 05:34:16,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2023-11-29 05:34:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.3333333333333333) internal successors, (260), 195 states have internal predecessors, (260), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:34:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 304 transitions. [2023-11-29 05:34:16,047 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 304 transitions. Word has length 110 [2023-11-29 05:34:16,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:16,047 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 304 transitions. [2023-11-29 05:34:16,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 304 transitions. [2023-11-29 05:34:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 05:34:16,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:16,049 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:16,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:16,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:34:16,250 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:16,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:16,250 INFO L85 PathProgramCache]: Analyzing trace with hash 926238097, now seen corresponding path program 1 times [2023-11-29 05:34:16,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:16,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064574954] [2023-11-29 05:34:16,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:16,251 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 [2023-11-29 05:34:16,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:16,251 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:34:16,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:16,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:34:16,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:17,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:17,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2023-11-29 05:34:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 05:34:17,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:17,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:17,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064574954] [2023-11-29 05:34:17,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064574954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:17,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:17,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:34:17,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232939939] [2023-11-29 05:34:17,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:17,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:34:17,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:17,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:34:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:34:17,319 INFO L87 Difference]: Start difference. First operand 220 states and 304 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:20,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:22,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:22,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:22,773 INFO L93 Difference]: Finished difference Result 451 states and 625 transitions. [2023-11-29 05:34:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:22,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2023-11-29 05:34:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:22,776 INFO L225 Difference]: With dead ends: 451 [2023-11-29 05:34:22,776 INFO L226 Difference]: Without dead ends: 232 [2023-11-29 05:34:22,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:34:22,778 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 133 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:22,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 360 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-29 05:34:22,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-29 05:34:22,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2023-11-29 05:34:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.323076923076923) internal successors, (258), 195 states have internal predecessors, (258), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:34:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 302 transitions. [2023-11-29 05:34:22,790 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 302 transitions. Word has length 112 [2023-11-29 05:34:22,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:22,791 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 302 transitions. [2023-11-29 05:34:22,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 302 transitions. [2023-11-29 05:34:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 05:34:22,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:22,792 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:22,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:22,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:34:22,993 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:22,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:22,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1826834741, now seen corresponding path program 1 times [2023-11-29 05:34:22,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:22,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052343436] [2023-11-29 05:34:22,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:22,994 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 [2023-11-29 05:34:22,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:22,994 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:34:22,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:23,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:34:23,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:24,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:24,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-29 05:34:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:34:24,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:24,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:24,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052343436] [2023-11-29 05:34:24,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052343436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:24,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:24,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:34:24,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003824771] [2023-11-29 05:34:24,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:24,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:34:24,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:24,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:34:24,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:34:24,115 INFO L87 Difference]: Start difference. First operand 220 states and 302 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:26,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:29,190 INFO L93 Difference]: Finished difference Result 451 states and 621 transitions. [2023-11-29 05:34:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:29,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 114 [2023-11-29 05:34:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:29,193 INFO L225 Difference]: With dead ends: 451 [2023-11-29 05:34:29,193 INFO L226 Difference]: Without dead ends: 232 [2023-11-29 05:34:29,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:34:29,195 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 124 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:29,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 356 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 05:34:29,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-29 05:34:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2023-11-29 05:34:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.3128205128205128) internal successors, (256), 195 states have internal predecessors, (256), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 05:34:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 300 transitions. [2023-11-29 05:34:29,210 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 300 transitions. Word has length 114 [2023-11-29 05:34:29,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:29,210 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 300 transitions. [2023-11-29 05:34:29,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 300 transitions. [2023-11-29 05:34:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 05:34:29,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:29,211 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:29,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:29,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:34:29,419 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:29,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:29,419 INFO L85 PathProgramCache]: Analyzing trace with hash 375904081, now seen corresponding path program 1 times [2023-11-29 05:34:29,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:29,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847702749] [2023-11-29 05:34:29,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:29,420 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 [2023-11-29 05:34:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:29,421 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:34:29,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:34:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:30,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 05:34:30,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:30,505 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 [2023-11-29 05:34:31,678 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 113 treesize of output 65 [2023-11-29 05:34:32,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:32,364 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 143 treesize of output 59 [2023-11-29 05:34:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:34:45,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:45,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:45,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847702749] [2023-11-29 05:34:45,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847702749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:45,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:45,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:34:45,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890385428] [2023-11-29 05:34:45,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:45,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:34:45,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:45,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:34:45,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=97, Unknown=3, NotChecked=0, Total=132 [2023-11-29 05:34:45,865 INFO L87 Difference]: Start difference. First operand 220 states and 300 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:34:51,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:34:55,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:00,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:04,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:09,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:13,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:18,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:23,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:25,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:31,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:35,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:41,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:47,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:51,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:35:56,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:00,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:05,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:09,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:14,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:18,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:20,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:24,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:29,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:33,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:37,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:40,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:44,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:49,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:53,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:36:58,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:03,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:07,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:12,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:17,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:22,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:26,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:31,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:35,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:40,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:45,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:51,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:53,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:37:57,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:00,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:38:06,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:11,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:16,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:20,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:25,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:29,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:34,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:38,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:43,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:47,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:51,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:38:56,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:01,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:05,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:10,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:14,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:19,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:24,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:28,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:33,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:37,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:42,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:46,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:51,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:39:55,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:00,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:05,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:09,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:14,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:18,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:23,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:27,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:32,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:36,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:41,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:45,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:50,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:54,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:40:59,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:03,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:08,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:12,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:17,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:22,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:26,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:31,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:36,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:40,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:45,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:50,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:54,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:41:59,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:03,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:08,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:12,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:17,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:21,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:31,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:35,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:40,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:44,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:49,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:53,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:42:58,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:02,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:06,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:11,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:15,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:19,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:24,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:28,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:33,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:37,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:41,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:43,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:43:47,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:51,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:43:56,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:00,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:05,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:09,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:14,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:18,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:23,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:27,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:31,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:36,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:40,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:45,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:49,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:54,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:44:54,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:54,828 INFO L93 Difference]: Finished difference Result 865 states and 1172 transitions. [2023-11-29 05:44:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:44:54,829 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2023-11-29 05:44:54,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:54,834 INFO L225 Difference]: With dead ends: 865 [2023-11-29 05:44:54,834 INFO L226 Difference]: Without dead ends: 646 [2023-11-29 05:44:54,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=86, Invalid=252, Unknown=4, NotChecked=0, Total=342 [2023-11-29 05:44:54,836 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 463 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 6 mSolverCounterUnsat, 129 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 555.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 129 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 601.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:54,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1332 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1063 Invalid, 129 Unknown, 0 Unchecked, 601.8s Time] [2023-11-29 05:44:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2023-11-29 05:44:54,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 611. [2023-11-29 05:44:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 548 states have (on average 1.3047445255474452) internal successors, (715), 552 states have internal predecessors, (715), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 05:44:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 827 transitions. [2023-11-29 05:44:54,892 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 827 transitions. Word has length 116 [2023-11-29 05:44:54,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:54,893 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 827 transitions. [2023-11-29 05:44:54,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:44:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 827 transitions. [2023-11-29 05:44:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 05:44:54,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:54,895 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:54,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:44:55,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:55,096 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:55,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash 241890575, now seen corresponding path program 1 times [2023-11-29 05:44:55,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:44:55,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389723362] [2023-11-29 05:44:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:55,097 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 [2023-11-29 05:44:55,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:44:55,098 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:44:55,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 05:44:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:55,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:44:55,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:00,357 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 70 treesize of output 34 [2023-11-29 05:45:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:45:00,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:45:00,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:45:00,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389723362] [2023-11-29 05:45:00,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389723362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:00,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:00,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:00,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27964206] [2023-11-29 05:45:00,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:00,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:00,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:45:00,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:00,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:00,687 INFO L87 Difference]: Start difference. First operand 611 states and 827 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:45:07,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:11,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:15,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:17,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:20,615 INFO L93 Difference]: Finished difference Result 1521 states and 2054 transitions. [2023-11-29 05:45:20,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:45:20,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2023-11-29 05:45:20,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:20,624 INFO L225 Difference]: With dead ends: 1521 [2023-11-29 05:45:20,624 INFO L226 Difference]: Without dead ends: 911 [2023-11-29 05:45:20,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:45:20,627 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 227 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:20,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 524 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 19.2s Time] [2023-11-29 05:45:20,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2023-11-29 05:45:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 729. [2023-11-29 05:45:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 648 states have (on average 1.3024691358024691) internal successors, (844), 653 states have internal predecessors, (844), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:45:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 988 transitions. [2023-11-29 05:45:20,685 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 988 transitions. Word has length 116 [2023-11-29 05:45:20,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:20,686 INFO L495 AbstractCegarLoop]: Abstraction has 729 states and 988 transitions. [2023-11-29 05:45:20,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:45:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 988 transitions. [2023-11-29 05:45:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 05:45:20,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:20,688 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:20,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 05:45:20,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:45:20,889 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:45:20,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 809633167, now seen corresponding path program 1 times [2023-11-29 05:45:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:45:20,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62022489] [2023-11-29 05:45:20,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:20,890 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 [2023-11-29 05:45:20,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:45:20,890 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:45:20,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:45:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:21,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:45:21,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:45:21,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:45:21,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:45:21,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62022489] [2023-11-29 05:45:21,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62022489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:21,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:21,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:45:21,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269329864] [2023-11-29 05:45:21,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:21,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:45:21,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:45:21,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:45:21,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:45:21,521 INFO L87 Difference]: Start difference. First operand 729 states and 988 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:45:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:21,921 INFO L93 Difference]: Finished difference Result 1457 states and 1975 transitions. [2023-11-29 05:45:21,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:45:21,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2023-11-29 05:45:21,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:21,926 INFO L225 Difference]: With dead ends: 1457 [2023-11-29 05:45:21,926 INFO L226 Difference]: Without dead ends: 729 [2023-11-29 05:45:21,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:45:21,928 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 7 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:21,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 423 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:45:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-29 05:45:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2023-11-29 05:45:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 648 states have (on average 1.2993827160493827) internal successors, (842), 653 states have internal predecessors, (842), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:45:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 986 transitions. [2023-11-29 05:45:21,980 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 986 transitions. Word has length 116 [2023-11-29 05:45:21,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:21,980 INFO L495 AbstractCegarLoop]: Abstraction has 729 states and 986 transitions. [2023-11-29 05:45:21,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:45:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 986 transitions. [2023-11-29 05:45:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 05:45:21,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:21,982 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:21,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:45:22,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:45:22,182 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:45:22,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:22,183 INFO L85 PathProgramCache]: Analyzing trace with hash -623436065, now seen corresponding path program 1 times [2023-11-29 05:45:22,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:45:22,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865701473] [2023-11-29 05:45:22,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:22,184 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 [2023-11-29 05:45:22,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:45:22,184 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:45:22,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:45:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:22,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:45:22,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:45:22,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:45:22,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:45:22,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865701473] [2023-11-29 05:45:22,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865701473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:22,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:22,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:45:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33372931] [2023-11-29 05:45:22,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:22,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:45:22,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:45:22,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:45:22,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:45:22,921 INFO L87 Difference]: Start difference. First operand 729 states and 986 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:45:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:23,527 INFO L93 Difference]: Finished difference Result 1611 states and 2181 transitions. [2023-11-29 05:45:23,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:45:23,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2023-11-29 05:45:23,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:23,533 INFO L225 Difference]: With dead ends: 1611 [2023-11-29 05:45:23,533 INFO L226 Difference]: Without dead ends: 883 [2023-11-29 05:45:23,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:23,535 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 74 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:23,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 544 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:45:23,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-11-29 05:45:23,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 750. [2023-11-29 05:45:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.289985052316891) internal successors, (863), 674 states have internal predecessors, (863), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:45:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1007 transitions. [2023-11-29 05:45:23,576 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1007 transitions. Word has length 118 [2023-11-29 05:45:23,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:23,576 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1007 transitions. [2023-11-29 05:45:23,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:45:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1007 transitions. [2023-11-29 05:45:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 05:45:23,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:23,578 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:23,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:45:23,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:45:23,778 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:45:23,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:23,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1667066807, now seen corresponding path program 1 times [2023-11-29 05:45:23,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:45:23,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493284559] [2023-11-29 05:45:23,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:23,780 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 [2023-11-29 05:45:23,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:45:23,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:45:23,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:45:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:24,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:45:24,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:25,802 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 [2023-11-29 05:45:28,463 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 43 treesize of output 19 [2023-11-29 05:45:28,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2023-11-29 05:45:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 118 proven. 12 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-29 05:45:29,071 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:45:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-29 05:45:31,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:45:31,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493284559] [2023-11-29 05:45:31,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493284559] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:45:31,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:45:31,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-29 05:45:31,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097751349] [2023-11-29 05:45:31,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:45:31,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 05:45:31,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:45:31,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 05:45:31,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:45:31,083 INFO L87 Difference]: Start difference. First operand 750 states and 1007 transitions. Second operand has 15 states, 13 states have (on average 9.76923076923077) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-29 05:45:40,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:44,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:50,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:45:54,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:45:57,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:46:00,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:46:09,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:46:15,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:46:17,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:46:17,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:17,875 INFO L93 Difference]: Finished difference Result 2368 states and 3148 transitions. [2023-11-29 05:46:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 05:46:17,887 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.76923076923077) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 118 [2023-11-29 05:46:17,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:17,896 INFO L225 Difference]: With dead ends: 2368 [2023-11-29 05:46:17,896 INFO L226 Difference]: Without dead ends: 1577 [2023-11-29 05:46:17,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2023-11-29 05:46:17,899 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 580 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:17,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1162 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 43.4s Time] [2023-11-29 05:46:17,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-11-29 05:46:17,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 779. [2023-11-29 05:46:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 694 states have (on average 1.2795389048991355) internal successors, (888), 699 states have internal predecessors, (888), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:46:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1032 transitions. [2023-11-29 05:46:17,968 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1032 transitions. Word has length 118 [2023-11-29 05:46:17,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:17,969 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1032 transitions. [2023-11-29 05:46:17,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.76923076923077) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-29 05:46:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1032 transitions. [2023-11-29 05:46:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 05:46:17,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:17,971 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:17,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:46:18,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:46:18,172 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:46:18,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:18,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1348036811, now seen corresponding path program 1 times [2023-11-29 05:46:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261193788] [2023-11-29 05:46:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:18,173 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 [2023-11-29 05:46:18,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:18,174 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:46:18,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:46:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:19,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 05:46:19,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:20,336 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 [2023-11-29 05:46:23,669 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 111 treesize of output 63 [2023-11-29 05:46:25,577 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:46:25,577 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 140 treesize of output 56 [2023-11-29 05:46:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 05:46:26,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:46:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 05:46:32,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:32,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261193788] [2023-11-29 05:46:32,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261193788] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 05:46:32,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:46:32,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 24 [2023-11-29 05:46:32,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315962160] [2023-11-29 05:46:32,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:32,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:46:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:32,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:46:32,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:46:32,315 INFO L87 Difference]: Start difference. First operand 779 states and 1032 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:46:36,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 05:46:39,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 05:46:49,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:49,671 INFO L93 Difference]: Finished difference Result 1783 states and 2360 transitions. [2023-11-29 05:46:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:46:49,673 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2023-11-29 05:46:49,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:49,680 INFO L225 Difference]: With dead ends: 1783 [2023-11-29 05:46:49,680 INFO L226 Difference]: Without dead ends: 1340 [2023-11-29 05:46:49,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2023-11-29 05:46:49,682 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 490 mSDsluCounter, 1736 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2032 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:49,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2032 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2023-11-29 05:46:49,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2023-11-29 05:46:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 774. [2023-11-29 05:46:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 689 states have (on average 1.2801161103047896) internal successors, (882), 694 states have internal predecessors, (882), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:46:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1026 transitions. [2023-11-29 05:46:49,726 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1026 transitions. Word has length 118 [2023-11-29 05:46:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:49,727 INFO L495 AbstractCegarLoop]: Abstraction has 774 states and 1026 transitions. [2023-11-29 05:46:49,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:46:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1026 transitions. [2023-11-29 05:46:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 05:46:49,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:49,728 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:49,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:46:49,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:46:49,929 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:46:49,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 530388361, now seen corresponding path program 1 times [2023-11-29 05:46:49,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:49,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977522269] [2023-11-29 05:46:49,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:49,930 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 [2023-11-29 05:46:49,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:49,931 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:46:49,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:46:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:50,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 05:46:50,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:54,922 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 111 treesize of output 63 [2023-11-29 05:46:55,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:46:55,366 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 [2023-11-29 05:46:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 05:46:55,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:46:57,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:57,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977522269] [2023-11-29 05:46:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977522269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:46:57,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [337395420] [2023-11-29 05:46:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:57,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:46:57,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:46:57,191 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:46:57,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-29 05:46:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:59,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 05:46:59,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:03,320 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 111 treesize of output 63 [2023-11-29 05:47:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 05:47:04,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:47:04,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [337395420] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:47:04,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:47:04,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2023-11-29 05:47:04,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924100538] [2023-11-29 05:47:04,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:47:04,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 05:47:04,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:04,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 05:47:04,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:47:04,535 INFO L87 Difference]: Start difference. First operand 774 states and 1026 transitions. Second operand has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:47:15,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:19,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:21,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:47:22,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:32,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:39,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:41,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:43,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:48,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:48,515 INFO L93 Difference]: Finished difference Result 2178 states and 2870 transitions. [2023-11-29 05:47:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 05:47:48,516 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 118 [2023-11-29 05:47:48,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:48,525 INFO L225 Difference]: With dead ends: 2178 [2023-11-29 05:47:48,525 INFO L226 Difference]: Without dead ends: 1437 [2023-11-29 05:47:48,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 269 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=232, Invalid=890, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 05:47:48,528 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 389 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:48,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1293 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1310 Invalid, 1 Unknown, 0 Unchecked, 39.8s Time] [2023-11-29 05:47:48,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2023-11-29 05:47:48,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1134. [2023-11-29 05:47:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1003 states have (on average 1.27617148554337) internal successors, (1280), 1011 states have internal predecessors, (1280), 110 states have call successors, (110), 20 states have call predecessors, (110), 20 states have return successors, (110), 102 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-29 05:47:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1500 transitions. [2023-11-29 05:47:48,606 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1500 transitions. Word has length 118 [2023-11-29 05:47:48,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:48,607 INFO L495 AbstractCegarLoop]: Abstraction has 1134 states and 1500 transitions. [2023-11-29 05:47:48,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:47:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1500 transitions. [2023-11-29 05:47:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 05:47:48,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:48,609 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:47:48,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-11-29 05:47:48,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:47:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:47:49,015 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:47:49,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash 630718466, now seen corresponding path program 1 times [2023-11-29 05:47:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:49,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003182923] [2023-11-29 05:47:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:47:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:49,017 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 05:47:49,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75f08-99cf-4296-b1df-d937cfa083db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 05:47:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:49,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 05:47:49,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:50,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2023-11-29 05:47:56,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:47:56,037 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 59 treesize of output 38 [2023-11-29 05:47:57,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:47:57,405 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 49 treesize of output 58 [2023-11-29 05:48:07,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:48:07,590 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 84