./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b622541ca33accd8fd1282f4ab4d882383ca3a93d6481afb8b036045feb20c2e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:32:20,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:32:20,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:32:20,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:32:20,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:32:20,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:32:20,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:32:20,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:32:20,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:32:20,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:32:20,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:32:20,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:32:20,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:32:20,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:32:20,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:32:20,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:32:20,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:32:20,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:32:20,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:32:20,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:32:20,921 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:32:20,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:32:20,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:32:20,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:32:20,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:32:20,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:32:20,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:32:20,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:32:20,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:32:20,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:32:20,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:32:20,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:32:20,924 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:32:20,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:32:20,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:32:20,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:32:20,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:32:20,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:32:20,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:32:20,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:32:20,926 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b622541ca33accd8fd1282f4ab4d882383ca3a93d6481afb8b036045feb20c2e [2024-11-28 02:32:21,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:32:21,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:32:21,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:32:21,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:32:21,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:32:21,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i [2024-11-28 02:32:24,330 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/66cfb1171/3e3f4b111087416eaa24b1e7e636313f/FLAG1c95554b9 [2024-11-28 02:32:24,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:32:24,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i [2024-11-28 02:32:24,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/66cfb1171/3e3f4b111087416eaa24b1e7e636313f/FLAG1c95554b9 [2024-11-28 02:32:24,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/66cfb1171/3e3f4b111087416eaa24b1e7e636313f [2024-11-28 02:32:24,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:32:24,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:32:24,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:32:24,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:32:24,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:32:24,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:32:24" (1/1) ... [2024-11-28 02:32:24,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a8a310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:24, skipping insertion in model container [2024-11-28 02:32:24,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:32:24" (1/1) ... [2024-11-28 02:32:24,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:32:24,879 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i[916,929] [2024-11-28 02:32:24,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:32:24,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:32:24,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i[916,929] [2024-11-28 02:32:25,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:32:25,053 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:32:25,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25 WrapperNode [2024-11-28 02:32:25,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:32:25,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:32:25,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:32:25,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:32:25,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,131 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 536 [2024-11-28 02:32:25,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:32:25,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:32:25,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:32:25,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:32:25,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,153 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 02:32:25,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,172 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:32:25,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:32:25,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:32:25,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:32:25,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (1/1) ... [2024-11-28 02:32:25,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:32:25,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:32:25,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:32:25,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:32:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:32:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 02:32:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 02:32:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 02:32:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:32:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 02:32:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:32:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:32:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:32:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:32:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:32:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:32:25,418 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:32:25,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:32:26,501 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2024-11-28 02:32:26,501 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:32:26,520 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:32:26,520 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:32:26,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:32:26 BoogieIcfgContainer [2024-11-28 02:32:26,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:32:26,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:32:26,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:32:26,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:32:26,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:32:24" (1/3) ... [2024-11-28 02:32:26,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dc15d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:32:26, skipping insertion in model container [2024-11-28 02:32:26,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:25" (2/3) ... [2024-11-28 02:32:26,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dc15d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:32:26, skipping insertion in model container [2024-11-28 02:32:26,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:32:26" (3/3) ... [2024-11-28 02:32:26,535 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-23.i [2024-11-28 02:32:26,552 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:32:26,554 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:32:26,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:32:26,637 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e53177f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:32:26,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:32:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:26,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:26,660 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:26,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:26,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:26,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1279411170, now seen corresponding path program 1 times [2024-11-28 02:32:26,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:26,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628509241] [2024-11-28 02:32:26,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:26,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 02:32:27,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:27,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628509241] [2024-11-28 02:32:27,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628509241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:32:27,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415761644] [2024-11-28 02:32:27,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:32:27,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:32:27,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:32:27,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:32:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:27,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:32:27,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:32:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 02:32:27,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:32:27,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415761644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:27,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:32:27,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:32:27,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56067243] [2024-11-28 02:32:27,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:27,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:32:27,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:27,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:32:27,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:32:27,633 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:27,678 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-11-28 02:32:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:32:27,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:32:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:27,690 INFO L225 Difference]: With dead ends: 241 [2024-11-28 02:32:27,691 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 02:32:27,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:32:27,700 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:27,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:32:27,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 02:32:27,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 02:32:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-11-28 02:32:27,770 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-11-28 02:32:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:27,770 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-11-28 02:32:27,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-11-28 02:32:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:27,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:27,777 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:27,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:32:27,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:32:27,978 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:27,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:27,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1334114070, now seen corresponding path program 1 times [2024-11-28 02:32:27,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:27,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135300588] [2024-11-28 02:32:27,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:27,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:28,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:28,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135300588] [2024-11-28 02:32:28,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135300588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:28,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:28,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:32:28,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246837747] [2024-11-28 02:32:28,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:28,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:32:28,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:28,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:32:28,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:32:28,633 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:28,710 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-11-28 02:32:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:32:28,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:32:28,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:28,713 INFO L225 Difference]: With dead ends: 239 [2024-11-28 02:32:28,713 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 02:32:28,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:32:28,715 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:28,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:32:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 02:32:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-28 02:32:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:28,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-11-28 02:32:28,741 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 165 [2024-11-28 02:32:28,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:28,743 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-28 02:32:28,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:28,745 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-11-28 02:32:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:28,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:28,750 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:28,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:32:28,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:28,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:28,752 INFO L85 PathProgramCache]: Analyzing trace with hash 699279976, now seen corresponding path program 1 times [2024-11-28 02:32:28,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885846806] [2024-11-28 02:32:28,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:34,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:34,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885846806] [2024-11-28 02:32:34,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885846806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:34,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:34,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 02:32:34,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679769353] [2024-11-28 02:32:34,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:34,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:32:34,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:34,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:32:34,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:32:34,632 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:36,724 INFO L93 Difference]: Finished difference Result 331 states and 483 transitions. [2024-11-28 02:32:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:32:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:32:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:36,727 INFO L225 Difference]: With dead ends: 331 [2024-11-28 02:32:36,727 INFO L226 Difference]: Without dead ends: 212 [2024-11-28 02:32:36,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:32:36,729 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 168 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:36,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 907 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 02:32:36,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-28 02:32:36,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 139. [2024-11-28 02:32:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 117 states have internal predecessors, (164), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 204 transitions. [2024-11-28 02:32:36,756 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 204 transitions. Word has length 165 [2024-11-28 02:32:36,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:36,758 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 204 transitions. [2024-11-28 02:32:36,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 204 transitions. [2024-11-28 02:32:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:36,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:36,766 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:36,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:32:36,766 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:36,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:36,767 INFO L85 PathProgramCache]: Analyzing trace with hash 112473962, now seen corresponding path program 1 times [2024-11-28 02:32:36,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:36,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484245625] [2024-11-28 02:32:36,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:36,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:40,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:40,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484245625] [2024-11-28 02:32:40,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484245625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:40,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:40,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:32:40,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423987608] [2024-11-28 02:32:40,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:40,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:32:40,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:40,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:32:40,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:32:40,827 INFO L87 Difference]: Start difference. First operand 139 states and 204 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 02:32:42,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:42,631 INFO L93 Difference]: Finished difference Result 344 states and 503 transitions. [2024-11-28 02:32:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:32:42,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-11-28 02:32:42,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:42,639 INFO L225 Difference]: With dead ends: 344 [2024-11-28 02:32:42,641 INFO L226 Difference]: Without dead ends: 208 [2024-11-28 02:32:42,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:32:42,643 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 106 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:42,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 987 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 02:32:42,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-28 02:32:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 148. [2024-11-28 02:32:42,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 126 states have internal predecessors, (177), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2024-11-28 02:32:42,663 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 165 [2024-11-28 02:32:42,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:42,667 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2024-11-28 02:32:42,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 02:32:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2024-11-28 02:32:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:42,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:42,670 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:42,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:32:42,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:42,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash -118368474, now seen corresponding path program 1 times [2024-11-28 02:32:42,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:42,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610062106] [2024-11-28 02:32:42,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:45,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610062106] [2024-11-28 02:32:45,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610062106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:45,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:45,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:32:45,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570607566] [2024-11-28 02:32:45,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:45,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:32:45,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:45,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:32:45,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:32:45,417 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:46,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:46,782 INFO L93 Difference]: Finished difference Result 326 states and 476 transitions. [2024-11-28 02:32:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:32:46,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:32:46,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:46,787 INFO L225 Difference]: With dead ends: 326 [2024-11-28 02:32:46,788 INFO L226 Difference]: Without dead ends: 181 [2024-11-28 02:32:46,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:32:46,789 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 55 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:46,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 973 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:32:46,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-28 02:32:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 139. [2024-11-28 02:32:46,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 117 states have (on average 1.393162393162393) internal successors, (163), 117 states have internal predecessors, (163), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 203 transitions. [2024-11-28 02:32:46,807 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 203 transitions. Word has length 165 [2024-11-28 02:32:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:46,808 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 203 transitions. [2024-11-28 02:32:46,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 203 transitions. [2024-11-28 02:32:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:46,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:46,816 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:46,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:32:46,818 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:46,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:46,819 INFO L85 PathProgramCache]: Analyzing trace with hash 565266470, now seen corresponding path program 1 times [2024-11-28 02:32:46,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:46,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396635821] [2024-11-28 02:32:46,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:49,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:49,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396635821] [2024-11-28 02:32:49,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396635821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:49,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:49,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:32:49,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140783940] [2024-11-28 02:32:49,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:49,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:32:49,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:49,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:32:49,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:32:49,781 INFO L87 Difference]: Start difference. First operand 139 states and 203 transitions. Second operand has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 02:32:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:51,692 INFO L93 Difference]: Finished difference Result 304 states and 443 transitions. [2024-11-28 02:32:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:32:51,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-11-28 02:32:51,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:51,697 INFO L225 Difference]: With dead ends: 304 [2024-11-28 02:32:51,697 INFO L226 Difference]: Without dead ends: 168 [2024-11-28 02:32:51,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:32:51,699 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 53 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:51,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 702 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 02:32:51,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-28 02:32:51,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 139. [2024-11-28 02:32:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 117 states have internal predecessors, (162), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:32:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 202 transitions. [2024-11-28 02:32:51,718 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 202 transitions. Word has length 165 [2024-11-28 02:32:51,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:51,721 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 202 transitions. [2024-11-28 02:32:51,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 02:32:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 202 transitions. [2024-11-28 02:32:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:32:51,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:51,725 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:51,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:32:51,725 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:51,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:51,726 INFO L85 PathProgramCache]: Analyzing trace with hash -21539544, now seen corresponding path program 1 times [2024-11-28 02:32:51,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:51,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177580481] [2024-11-28 02:32:51,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:51,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:54,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:54,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177580481] [2024-11-28 02:32:54,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177580481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:54,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:54,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:32:54,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322669170] [2024-11-28 02:32:54,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:54,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:32:54,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:54,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:32:54,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:32:54,050 INFO L87 Difference]: Start difference. First operand 139 states and 202 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:55,491 INFO L93 Difference]: Finished difference Result 312 states and 450 transitions. [2024-11-28 02:32:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:32:55,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:32:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:55,496 INFO L225 Difference]: With dead ends: 312 [2024-11-28 02:32:55,497 INFO L226 Difference]: Without dead ends: 176 [2024-11-28 02:32:55,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:32:55,498 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 60 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:55,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1106 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:32:55,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-28 02:32:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2024-11-28 02:32:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 148 states have (on average 1.3783783783783783) internal successors, (204), 149 states have internal predecessors, (204), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:32:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 248 transitions. [2024-11-28 02:32:55,514 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 248 transitions. Word has length 165 [2024-11-28 02:32:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:55,514 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 248 transitions. [2024-11-28 02:32:55,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 248 transitions. [2024-11-28 02:32:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 02:32:55,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:55,517 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:55,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:32:55,517 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:55,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:55,518 INFO L85 PathProgramCache]: Analyzing trace with hash -575774022, now seen corresponding path program 1 times [2024-11-28 02:32:55,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:55,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080657520] [2024-11-28 02:32:55,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:55,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 02:32:55,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:55,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080657520] [2024-11-28 02:32:55,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080657520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:32:55,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091668058] [2024-11-28 02:32:55,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:55,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:32:55,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:32:55,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:32:55,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:32:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:56,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:32:56,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:32:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:56,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:32:56,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091668058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:56,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:32:56,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 02:32:56,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209379711] [2024-11-28 02:32:56,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:56,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:32:56,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:56,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:32:56,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:32:56,211 INFO L87 Difference]: Start difference. First operand 173 states and 248 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:32:56,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:56,255 INFO L93 Difference]: Finished difference Result 349 states and 501 transitions. [2024-11-28 02:32:56,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:32:56,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 167 [2024-11-28 02:32:56,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:56,259 INFO L225 Difference]: With dead ends: 349 [2024-11-28 02:32:56,259 INFO L226 Difference]: Without dead ends: 179 [2024-11-28 02:32:56,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:32:56,260 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:56,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:32:56,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-28 02:32:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-28 02:32:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 154 states have (on average 1.3636363636363635) internal successors, (210), 155 states have internal predecessors, (210), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:32:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 254 transitions. [2024-11-28 02:32:56,274 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 254 transitions. Word has length 167 [2024-11-28 02:32:56,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:56,275 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 254 transitions. [2024-11-28 02:32:56,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:32:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 254 transitions. [2024-11-28 02:32:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:32:56,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:56,278 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:56,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:32:56,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:32:56,479 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:56,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash 107651391, now seen corresponding path program 1 times [2024-11-28 02:32:56,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:56,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871082760] [2024-11-28 02:32:56,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:56,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 02:32:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871082760] [2024-11-28 02:32:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871082760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:32:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451261508] [2024-11-28 02:32:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:57,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:32:57,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:57,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:32:57,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:32:57,452 INFO L87 Difference]: Start difference. First operand 179 states and 254 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:59,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:59,335 INFO L93 Difference]: Finished difference Result 551 states and 774 transitions. [2024-11-28 02:32:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:32:59,336 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-11-28 02:32:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:59,339 INFO L225 Difference]: With dead ends: 551 [2024-11-28 02:32:59,341 INFO L226 Difference]: Without dead ends: 375 [2024-11-28 02:32:59,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:32:59,343 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 256 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:59,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 723 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:32:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-28 02:32:59,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 187. [2024-11-28 02:32:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 162 states have internal predecessors, (217), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:32:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 261 transitions. [2024-11-28 02:32:59,374 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 261 transitions. Word has length 169 [2024-11-28 02:32:59,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:59,375 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 261 transitions. [2024-11-28 02:32:59,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:32:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 261 transitions. [2024-11-28 02:32:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:32:59,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:59,379 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:59,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:32:59,380 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:59,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:59,380 INFO L85 PathProgramCache]: Analyzing trace with hash 530353217, now seen corresponding path program 1 times [2024-11-28 02:32:59,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:59,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160829450] [2024-11-28 02:32:59,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:59,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:32:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:32:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:32:59,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160829450] [2024-11-28 02:32:59,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160829450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:32:59,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:32:59,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:32:59,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131841310] [2024-11-28 02:32:59,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:32:59,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:32:59,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:32:59,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:32:59,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:32:59,516 INFO L87 Difference]: Start difference. First operand 187 states and 261 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:32:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:32:59,544 INFO L93 Difference]: Finished difference Result 373 states and 523 transitions. [2024-11-28 02:32:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:32:59,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-28 02:32:59,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:32:59,547 INFO L225 Difference]: With dead ends: 373 [2024-11-28 02:32:59,547 INFO L226 Difference]: Without dead ends: 189 [2024-11-28 02:32:59,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:32:59,548 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:32:59,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:32:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-28 02:32:59,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-28 02:32:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 163 states have (on average 1.343558282208589) internal successors, (219), 164 states have internal predecessors, (219), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:32:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 263 transitions. [2024-11-28 02:32:59,567 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 263 transitions. Word has length 169 [2024-11-28 02:32:59,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:32:59,568 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 263 transitions. [2024-11-28 02:32:59,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:32:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 263 transitions. [2024-11-28 02:32:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:32:59,574 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:32:59,575 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:32:59,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:32:59,575 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:32:59,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:32:59,576 INFO L85 PathProgramCache]: Analyzing trace with hash 749207935, now seen corresponding path program 1 times [2024-11-28 02:32:59,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:32:59,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726136076] [2024-11-28 02:32:59,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:32:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:32:59,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [162213366] [2024-11-28 02:32:59,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:32:59,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:32:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:32:59,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:32:59,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:33:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:33:01,248 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:33:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:33:02,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:33:02,758 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:33:02,759 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:33:02,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:33:02,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 02:33:02,964 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:03,064 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:33:03,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:33:03 BoogieIcfgContainer [2024-11-28 02:33:03,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:33:03,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:33:03,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:33:03,075 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:33:03,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:32:26" (3/4) ... [2024-11-28 02:33:03,078 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:33:03,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:33:03,081 INFO L158 Benchmark]: Toolchain (without parser) took 38376.09ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 118.0MB in the beginning and 681.3MB in the end (delta: -563.3MB). Peak memory consumption was 168.7MB. Max. memory is 16.1GB. [2024-11-28 02:33:03,082 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:33:03,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.84ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 100.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:33:03,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.84ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 96.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:33:03,082 INFO L158 Benchmark]: Boogie Preprocessor took 67.26ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.3MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:33:03,083 INFO L158 Benchmark]: RCFGBuilder took 1320.20ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 112.4MB in the end (delta: -19.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-28 02:33:03,083 INFO L158 Benchmark]: TraceAbstraction took 36549.48ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 111.8MB in the beginning and 681.5MB in the end (delta: -569.7MB). Peak memory consumption was 154.6MB. Max. memory is 16.1GB. [2024-11-28 02:33:03,083 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 872.4MB. Free memory was 681.5MB in the beginning and 681.3MB in the end (delta: 119.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:33:03,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.84ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 100.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.84ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 96.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.26ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.3MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.20ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 112.4MB in the end (delta: -19.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * TraceAbstraction took 36549.48ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 111.8MB in the beginning and 681.5MB in the end (delta: -569.7MB). Peak memory consumption was 154.6MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 872.4MB. Free memory was 681.5MB in the beginning and 681.3MB in the end (delta: 119.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 120, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 0, 16, 64, 25, 1.2, 999.7, 1.4, 9.75, 1.75, 16, 1277342739, 1394088949, 0, 0, 0, 0, 0 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L124] isInitial = 1 [L125] FCALL initially() [L127] FCALL updateLastVariables() [L128] CALL updateVariables() [L84] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ulong() [L85] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L85] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ulong() [L88] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L91] EXPR WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L93] EXPR WrapperStruct00.var_1_6 [L93] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_6 [L93] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_6 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_6 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_7 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_7 [L96] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_7 [L96] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_11 = __VERIFIER_nondet_ulong() [L102] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L105] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 1073741824) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 1073741824) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L108] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L111] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] WrapperStruct00.var_1_19 = __VERIFIER_nondet_uchar() [L114] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] RET updateVariables() [L129] CALL step() [L64] EXPR WrapperStruct00.var_1_2 [L64] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L64] EXPR ((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) [L64] EXPR WrapperStruct00.var_1_2 [L64] EXPR ((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) VAL [WrapperStruct00={4:0}, isInitial=1] [L64] WrapperStruct00.var_1_1 = ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))) [L65] EXPR WrapperStruct00.var_1_5 [L65] EXPR WrapperStruct00.var_1_6 [L65] EXPR WrapperStruct00.var_1_7 [L65] EXPR WrapperStruct00.var_1_8 [L65] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L65] COND FALSE !((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) [L68] EXPR WrapperStruct00.var_1_2 [L68] EXPR WrapperStruct00.var_1_11 [L68] EXPR WrapperStruct00.var_1_12 [L68] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L68] EXPR ((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13)) [L68] EXPR WrapperStruct00.var_1_2 [L68] EXPR ((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13)) VAL [WrapperStruct00={4:0}, isInitial=1] [L68] WrapperStruct00.var_1_10 = ((((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13)))) [L69] EXPR WrapperStruct00.var_1_5 [L69] unsigned char stepLocal_0 = (- WrapperStruct00.var_1_5) != 1.9f; [L70] stepLocal_0 || ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_13) < WrapperStruct00.var_1_3) [L70] EXPR WrapperStruct00.var_1_4 [L70] EXPR WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_3 [L70] stepLocal_0 || ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_13) < WrapperStruct00.var_1_3) VAL [WrapperStruct00={4:0}, isInitial=1] [L70] COND FALSE !(stepLocal_0 || ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_13) < WrapperStruct00.var_1_3)) [L73] EXPR WrapperStruct00.var_1_19 [L73] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L75] WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L75] COND FALSE !(WrapperStruct00.var_1_18) [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR WrapperStruct00.var_1_1 [L120] EXPR WrapperStruct00.var_1_2 [L120] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) [L120] EXPR WrapperStruct00.var_1_2 [L120] EXPR ((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) && (((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1) [L120] EXPR WrapperStruct00.var_1_5 [L120] EXPR WrapperStruct00.var_1_6 [L120] EXPR WrapperStruct00.var_1_7 [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1 [L120] EXPR WrapperStruct00.var_1_4 [L120] EXPR WrapperStruct00.var_1_2 [L120] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) [L120] EXPR WrapperStruct00.var_1_2 [L120] EXPR ((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) && (((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) && (((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1)) && (WrapperStruct00.var_1_10 == ((unsigned long int) ((((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13)))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR (((WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) && (((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1)) && (WrapperStruct00.var_1_10 == ((unsigned long int) ((((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))))))) && (WrapperStruct00.var_1_18 ? ((! ((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_18 ? (WrapperStruct00.var_1_14 == ((unsigned char) (! WrapperStruct00.var_1_17))) : 1) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((((WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) && (((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1)) && (WrapperStruct00.var_1_10 == ((unsigned long int) ((((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))))))) && (WrapperStruct00.var_1_18 ? ((! ((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_18 ? (WrapperStruct00.var_1_14 == ((unsigned char) (! WrapperStruct00.var_1_17))) : 1) : 1) : 1)) && ((((- WrapperStruct00.var_1_5) != 1.9f) || ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_13) < WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_18 == ((unsigned char) (! WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_18 == ((unsigned char) WrapperStruct00.var_1_19))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120-L121] return ((((WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) && (((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) <= (WrapperStruct00.var_1_7 + (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_4 == ((unsigned long int) ((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3))))) : 1)) && (WrapperStruct00.var_1_10 == ((unsigned long int) ((((WrapperStruct00.var_1_2) > (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_2) : (((WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) - WrapperStruct00.var_1_13))))))) && (WrapperStruct00.var_1_18 ? ((! ((WrapperStruct00.var_1_5 / WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9))) ? (WrapperStruct00.var_1_18 ? (WrapperStruct00.var_1_14 == ((unsigned char) (! WrapperStruct00.var_1_17))) : 1) : 1) : 1)) && ((((- WrapperStruct00.var_1_5) != 1.9f) || ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_13) < WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_18 == ((unsigned char) (! WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_18 == ((unsigned char) WrapperStruct00.var_1_19))) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 11, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 725 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 698 mSDsluCounter, 7099 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5398 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3888 IncrementalHoareTripleChecker+Invalid, 3995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 1701 mSDtfsCounter, 3888 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 522 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=10, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 395 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 2330 NumberOfCodeBlocks, 2330 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1980 ConstructedInterpolants, 0 QuantifiedInterpolants, 3777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1170 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 9025/9120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:33:03,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b622541ca33accd8fd1282f4ab4d882383ca3a93d6481afb8b036045feb20c2e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:33:05,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:33:05,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:33:05,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:33:05,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:33:05,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:33:05,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:33:05,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:33:05,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:33:05,940 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:33:05,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:33:05,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:33:05,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:33:05,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:33:05,941 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:33:05,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:33:05,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:33:05,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:33:05,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:33:05,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:33:05,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:33:05,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:33:05,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:33:05,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:33:05,946 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:33:05,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:33:05,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:33:05,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:33:05,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:33:05,947 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:33:05,948 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b622541ca33accd8fd1282f4ab4d882383ca3a93d6481afb8b036045feb20c2e [2024-11-28 02:33:06,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:33:06,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:33:06,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:33:06,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:33:06,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:33:06,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i [2024-11-28 02:33:09,418 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/300c06619/d4e6f5fdbbea4457a34975eddfd83301/FLAGb2ae145fa [2024-11-28 02:33:09,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:33:09,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i [2024-11-28 02:33:09,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/300c06619/d4e6f5fdbbea4457a34975eddfd83301/FLAGb2ae145fa [2024-11-28 02:33:09,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/data/300c06619/d4e6f5fdbbea4457a34975eddfd83301 [2024-11-28 02:33:09,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:33:09,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:33:09,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:33:09,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:33:09,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:33:09,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:09" (1/1) ... [2024-11-28 02:33:09,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3960cd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:09, skipping insertion in model container [2024-11-28 02:33:09,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:09" (1/1) ... [2024-11-28 02:33:09,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:33:09,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i[916,929] [2024-11-28 02:33:10,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:33:10,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:33:10,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-23.i[916,929] [2024-11-28 02:33:10,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:33:10,152 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:33:10,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10 WrapperNode [2024-11-28 02:33:10,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:33:10,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:33:10,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:33:10,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:33:10,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,224 INFO L138 Inliner]: procedures = 34, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 535 [2024-11-28 02:33:10,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:33:10,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:33:10,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:33:10,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:33:10,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,258 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,292 INFO L175 MemorySlicer]: Split 147 memory accesses to 2 slices as follows [2, 145]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 36 writes are split as follows [0, 36]. [2024-11-28 02:33:10,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,316 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:33:10,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:33:10,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:33:10,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:33:10,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (1/1) ... [2024-11-28 02:33:10,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:33:10,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:33:10,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:33:10,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:33:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:33:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:33:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:33:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-28 02:33:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:33:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:33:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-28 02:33:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-28 02:33:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:33:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:33:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-28 02:33:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-28 02:33:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:33:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:33:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:33:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:33:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:33:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:33:10,584 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:33:10,586 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:33:28,324 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-28 02:33:28,327 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:33:28,345 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:33:28,348 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:33:28,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:28 BoogieIcfgContainer [2024-11-28 02:33:28,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:33:28,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:33:28,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:33:28,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:33:28,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:33:09" (1/3) ... [2024-11-28 02:33:28,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d5c524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:33:28, skipping insertion in model container [2024-11-28 02:33:28,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:10" (2/3) ... [2024-11-28 02:33:28,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d5c524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:33:28, skipping insertion in model container [2024-11-28 02:33:28,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:28" (3/3) ... [2024-11-28 02:33:28,360 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-23.i [2024-11-28 02:33:28,375 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:33:28,376 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:33:28,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:33:28,443 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a1a863f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:33:28,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:33:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:33:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:33:28,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:33:28,485 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:28,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:33:28,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:28,493 INFO L85 PathProgramCache]: Analyzing trace with hash 2052164388, now seen corresponding path program 1 times [2024-11-28 02:33:28,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:33:28,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90449579] [2024-11-28 02:33:28,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:28,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:33:28,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:33:28,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:33:28,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:33:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:29,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:33:29,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:33:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-28 02:33:29,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:33:29,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:33:29,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90449579] [2024-11-28 02:33:29,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90449579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:29,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:29,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:29,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098080118] [2024-11-28 02:33:29,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:29,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:33:29,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:33:29,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:33:29,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:33:29,398 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:33:29,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:33:29,441 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-11-28 02:33:29,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:33:29,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:33:29,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:33:29,452 INFO L225 Difference]: With dead ends: 241 [2024-11-28 02:33:29,452 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 02:33:29,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:33:29,458 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:33:29,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:33:29,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 02:33:29,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 02:33:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:33:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-11-28 02:33:29,515 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-11-28 02:33:29,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:33:29,515 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-11-28 02:33:29,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:33:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-11-28 02:33:29,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:33:29,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:33:29,521 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:29,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:33:29,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:33:29,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:33:29,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1997461488, now seen corresponding path program 1 times [2024-11-28 02:33:29,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:33:29,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958736488] [2024-11-28 02:33:29,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:29,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:33:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:33:29,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:33:29,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:33:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:30,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:33:30,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:33:31,056 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 95 treesize of output 41 [2024-11-28 02:33:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-28 02:33:31,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:33:31,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:33:31,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958736488] [2024-11-28 02:33:31,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958736488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:31,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:31,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:33:31,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752683069] [2024-11-28 02:33:31,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:31,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:33:31,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:33:31,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:33:31,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:33:31,180 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:33:36,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:37,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:39,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:41,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:44,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:46,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:47,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:49,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:49,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:33:49,895 INFO L93 Difference]: Finished difference Result 238 states and 350 transitions. [2024-11-28 02:33:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:33:49,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-28 02:33:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:33:49,899 INFO L225 Difference]: With dead ends: 238 [2024-11-28 02:33:49,899 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 02:33:49,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:33:49,906 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 135 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:33:49,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 483 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2024-11-28 02:33:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 02:33:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-28 02:33:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3775510204081634) internal successors, (135), 98 states have internal predecessors, (135), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:33:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 175 transitions. [2024-11-28 02:33:49,922 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 175 transitions. Word has length 165 [2024-11-28 02:33:49,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:33:49,926 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 175 transitions. [2024-11-28 02:33:49,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:33:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 175 transitions. [2024-11-28 02:33:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 02:33:49,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:33:49,929 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:49,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:33:50,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:33:50,130 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:33:50,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1213753846, now seen corresponding path program 1 times [2024-11-28 02:33:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:33:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255318859] [2024-11-28 02:33:50,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:50,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:33:50,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:33:50,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:33:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:33:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:50,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:33:50,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:33:51,401 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 95 treesize of output 41 [2024-11-28 02:33:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:33:51,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:33:51,486 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:33:51,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255318859] [2024-11-28 02:33:51,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1255318859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:51,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:51,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:33:51,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619759613] [2024-11-28 02:33:51,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:51,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:33:51,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:33:51,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:33:51,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:33:51,488 INFO L87 Difference]: Start difference. First operand 120 states and 175 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:33:55,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:57,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:33:59,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:02,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:05,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:07,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:09,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:09,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:09,133 INFO L93 Difference]: Finished difference Result 238 states and 348 transitions. [2024-11-28 02:34:09,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:34:09,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 167 [2024-11-28 02:34:09,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:09,136 INFO L225 Difference]: With dead ends: 238 [2024-11-28 02:34:09,136 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 02:34:09,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:34:09,138 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 126 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:09,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 479 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2024-11-28 02:34:09,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 02:34:09,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-28 02:34:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3673469387755102) internal successors, (134), 98 states have internal predecessors, (134), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:34:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-28 02:34:09,149 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 167 [2024-11-28 02:34:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:09,150 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-28 02:34:09,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:34:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-28 02:34:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:34:09,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:09,153 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:09,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:34:09,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:09,354 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:09,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:09,354 INFO L85 PathProgramCache]: Analyzing trace with hash 277156016, now seen corresponding path program 1 times [2024-11-28 02:34:09,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:34:09,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864672652] [2024-11-28 02:34:09,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:09,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:09,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:34:09,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:34:09,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:34:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:10,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:34:10,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:10,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-28 02:34:10,339 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 27 treesize of output 15 [2024-11-28 02:34:10,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-28 02:34:10,441 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 75 treesize of output 47 [2024-11-28 02:34:10,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:10,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 14 [2024-11-28 02:34:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 02:34:10,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:34:10,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:34:10,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864672652] [2024-11-28 02:34:10,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864672652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:10,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:34:10,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:34:10,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124813728] [2024-11-28 02:34:10,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:10,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:34:10,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:34:10,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:34:10,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:34:10,614 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:34:15,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:17,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:20,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:21,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:23,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:24,709 INFO L93 Difference]: Finished difference Result 349 states and 502 transitions. [2024-11-28 02:34:24,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:34:24,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-11-28 02:34:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:24,712 INFO L225 Difference]: With dead ends: 349 [2024-11-28 02:34:24,712 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 02:34:24,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:34:24,714 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 252 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:24,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 692 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2024-11-28 02:34:24,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 02:34:24,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 126. [2024-11-28 02:34:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:34:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 179 transitions. [2024-11-28 02:34:24,736 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 179 transitions. Word has length 169 [2024-11-28 02:34:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:24,738 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 179 transitions. [2024-11-28 02:34:24,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:34:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 179 transitions. [2024-11-28 02:34:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:34:24,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:24,744 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:24,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:34:24,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:24,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:24,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1311191886, now seen corresponding path program 1 times [2024-11-28 02:34:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:34:24,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826866281] [2024-11-28 02:34:24,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:24,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:24,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:34:24,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:34:24,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:34:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:25,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:34:25,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:34:25,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:34:25,561 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:34:25,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826866281] [2024-11-28 02:34:25,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826866281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:25,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:34:25,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:34:25,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987267605] [2024-11-28 02:34:25,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:25,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:34:25,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:34:25,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:34:25,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:34:25,563 INFO L87 Difference]: Start difference. First operand 126 states and 179 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:34:25,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:25,623 INFO L93 Difference]: Finished difference Result 250 states and 357 transitions. [2024-11-28 02:34:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:34:25,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-28 02:34:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:25,626 INFO L225 Difference]: With dead ends: 250 [2024-11-28 02:34:25,626 INFO L226 Difference]: Without dead ends: 127 [2024-11-28 02:34:25,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:34:25,628 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:25,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:34:25,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-28 02:34:25,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-28 02:34:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:34:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2024-11-28 02:34:25,664 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 169 [2024-11-28 02:34:25,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:25,665 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2024-11-28 02:34:25,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:34:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2024-11-28 02:34:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:34:25,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:25,668 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:25,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 02:34:25,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:25,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:25,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:25,870 INFO L85 PathProgramCache]: Analyzing trace with hash 989630704, now seen corresponding path program 1 times [2024-11-28 02:34:25,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:34:25,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631831375] [2024-11-28 02:34:25,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:25,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:25,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:34:25,872 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:34:25,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:34:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:26,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:34:26,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:26,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 02:34:26,679 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 17 treesize of output 17 [2024-11-28 02:34:26,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:26,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 20 [2024-11-28 02:34:26,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:26,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 20 [2024-11-28 02:34:26,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:26,896 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 30 treesize of output 10 [2024-11-28 02:34:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:34:26,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:34:26,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:34:26,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631831375] [2024-11-28 02:34:26,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631831375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:26,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:34:26,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:34:26,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124099845] [2024-11-28 02:34:26,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:26,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:34:26,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:34:26,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:34:26,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:34:26,992 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:34:31,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:32,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:34,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:37,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:40,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:42,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:45,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:45,537 INFO L93 Difference]: Finished difference Result 302 states and 430 transitions. [2024-11-28 02:34:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:34:45,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-28 02:34:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:45,541 INFO L225 Difference]: With dead ends: 302 [2024-11-28 02:34:45,541 INFO L226 Difference]: Without dead ends: 178 [2024-11-28 02:34:45,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:34:45,542 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 55 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:45,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 714 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2024-11-28 02:34:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-28 02:34:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 147. [2024-11-28 02:34:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 124 states have (on average 1.3629032258064515) internal successors, (169), 124 states have internal predecessors, (169), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:34:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 209 transitions. [2024-11-28 02:34:45,567 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 209 transitions. Word has length 169 [2024-11-28 02:34:45,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:45,569 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 209 transitions. [2024-11-28 02:34:45,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:34:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 209 transitions. [2024-11-28 02:34:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:34:45,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:45,579 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:45,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-28 02:34:45,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:45,779 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:45,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:45,780 INFO L85 PathProgramCache]: Analyzing trace with hash 402824690, now seen corresponding path program 1 times [2024-11-28 02:34:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:34:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672181063] [2024-11-28 02:34:45,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:34:45,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:34:45,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 02:34:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:46,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:34:46,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:46,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 02:34:46,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:46,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 22 [2024-11-28 02:34:46,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:46,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-28 02:34:46,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:46,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-28 02:34:46,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:34:46,724 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 34 treesize of output 10 [2024-11-28 02:34:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:34:46,769 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:34:46,769 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:34:46,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672181063] [2024-11-28 02:34:46,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672181063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:46,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:34:46,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:34:46,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885534069] [2024-11-28 02:34:46,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:46,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:34:46,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:34:46,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:34:46,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:34:46,770 INFO L87 Difference]: Start difference. First operand 147 states and 209 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:34:49,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:51,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:53,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:55,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:56,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:58,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:34:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:58,996 INFO L93 Difference]: Finished difference Result 320 states and 455 transitions. [2024-11-28 02:34:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:34:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-28 02:34:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:59,000 INFO L225 Difference]: With dead ends: 320 [2024-11-28 02:34:59,000 INFO L226 Difference]: Without dead ends: 176 [2024-11-28 02:34:59,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:34:59,004 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 54 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:59,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 556 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-28 02:34:59,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-28 02:34:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 147. [2024-11-28 02:34:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:34:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 208 transitions. [2024-11-28 02:34:59,020 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 208 transitions. Word has length 169 [2024-11-28 02:34:59,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:59,021 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 208 transitions. [2024-11-28 02:34:59,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:34:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2024-11-28 02:34:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:34:59,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:59,023 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:59,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:34:59,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:59,223 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:59,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:59,224 INFO L85 PathProgramCache]: Analyzing trace with hash 855617198, now seen corresponding path program 1 times [2024-11-28 02:34:59,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:34:59,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588282597] [2024-11-28 02:34:59,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:59,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:34:59,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:34:59,227 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:34:59,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 02:34:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:59,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:34:59,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:59,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 02:35:00,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:00,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2024-11-28 02:35:00,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:00,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-11-28 02:35:00,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:00,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-11-28 02:35:00,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:00,186 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 35 treesize of output 11 [2024-11-28 02:35:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:35:00,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:00,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:00,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588282597] [2024-11-28 02:35:00,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1588282597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:00,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:00,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:35:00,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421108294] [2024-11-28 02:35:00,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:00,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:35:00,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:00,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:35:00,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:35:00,236 INFO L87 Difference]: Start difference. First operand 147 states and 208 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:05,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:09,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:11,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:12,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:16,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:19,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:20,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:22,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:22,609 INFO L93 Difference]: Finished difference Result 320 states and 453 transitions. [2024-11-28 02:35:22,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:35:22,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-28 02:35:22,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:22,611 INFO L225 Difference]: With dead ends: 320 [2024-11-28 02:35:22,612 INFO L226 Difference]: Without dead ends: 176 [2024-11-28 02:35:22,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:35:22,613 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 53 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:22,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 547 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 240 Invalid, 1 Unknown, 0 Unchecked, 22.3s Time] [2024-11-28 02:35:22,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-28 02:35:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 147. [2024-11-28 02:35:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 124 states have (on average 1.346774193548387) internal successors, (167), 124 states have internal predecessors, (167), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:35:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 207 transitions. [2024-11-28 02:35:22,635 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 207 transitions. Word has length 169 [2024-11-28 02:35:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:22,636 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 207 transitions. [2024-11-28 02:35:22,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 207 transitions. [2024-11-28 02:35:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:35:22,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:22,638 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:22,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 02:35:22,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:22,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:22,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 268811184, now seen corresponding path program 1 times [2024-11-28 02:35:22,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:22,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435644778] [2024-11-28 02:35:22,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:22,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:22,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:22,842 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:22,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 02:35:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:23,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:35:23,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:23,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 02:35:23,685 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 17 treesize of output 17 [2024-11-28 02:35:23,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:23,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 20 [2024-11-28 02:35:23,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:23,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 20 [2024-11-28 02:35:23,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:23,871 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 30 treesize of output 10 [2024-11-28 02:35:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:35:23,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:23,951 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:23,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435644778] [2024-11-28 02:35:23,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435644778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:23,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:23,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:35:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895366714] [2024-11-28 02:35:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:23,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:35:23,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:23,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:35:23,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:35:23,953 INFO L87 Difference]: Start difference. First operand 147 states and 207 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:30,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:32,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:33,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:37,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:38,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:41,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:41,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:41,901 INFO L93 Difference]: Finished difference Result 328 states and 460 transitions. [2024-11-28 02:35:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:35:41,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-28 02:35:41,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:41,904 INFO L225 Difference]: With dead ends: 328 [2024-11-28 02:35:41,904 INFO L226 Difference]: Without dead ends: 184 [2024-11-28 02:35:41,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:35:41,905 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 59 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:41,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 970 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2024-11-28 02:35:41,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-28 02:35:41,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2024-11-28 02:35:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 155 states have (on average 1.3483870967741935) internal successors, (209), 156 states have internal predecessors, (209), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:35:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 253 transitions. [2024-11-28 02:35:41,920 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 253 transitions. Word has length 169 [2024-11-28 02:35:41,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:41,921 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 253 transitions. [2024-11-28 02:35:41,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2024-11-28 02:35:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 02:35:41,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:41,923 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:41,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:35:42,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:42,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:42,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:42,124 INFO L85 PathProgramCache]: Analyzing trace with hash -721598398, now seen corresponding path program 1 times [2024-11-28 02:35:42,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:42,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81712469] [2024-11-28 02:35:42,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:42,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:42,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:42,128 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:42,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 02:35:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:42,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:35:42,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:35:42,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:42,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:42,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81712469] [2024-11-28 02:35:42,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81712469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:42,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:35:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226411701] [2024-11-28 02:35:42,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:42,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:35:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:42,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:35:42,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:35:42,999 INFO L87 Difference]: Start difference. First operand 181 states and 253 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:43,101 INFO L93 Difference]: Finished difference Result 365 states and 511 transitions. [2024-11-28 02:35:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:35:43,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-28 02:35:43,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:43,106 INFO L225 Difference]: With dead ends: 365 [2024-11-28 02:35:43,107 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 02:35:43,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:35:43,108 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:43,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 664 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:35:43,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 02:35:43,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-28 02:35:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 161 states have (on average 1.3354037267080745) internal successors, (215), 162 states have internal predecessors, (215), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:35:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 259 transitions. [2024-11-28 02:35:43,129 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 259 transitions. Word has length 171 [2024-11-28 02:35:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:43,133 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 259 transitions. [2024-11-28 02:35:43,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 259 transitions. [2024-11-28 02:35:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 02:35:43,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:43,135 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:43,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 02:35:43,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:43,336 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:43,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:43,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1418172579, now seen corresponding path program 1 times [2024-11-28 02:35:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:43,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801924735] [2024-11-28 02:35:43,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:43,340 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:43,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-28 02:35:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:44,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:35:44,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:44,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 02:35:44,492 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 19 treesize of output 19 [2024-11-28 02:35:44,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:44,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-28 02:35:44,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:44,666 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 34 treesize of output 10 [2024-11-28 02:35:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:35:44,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:44,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:44,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801924735] [2024-11-28 02:35:44,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801924735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:44,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:44,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:35:44,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641973956] [2024-11-28 02:35:44,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:44,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:35:44,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:44,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:35:44,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:35:44,795 INFO L87 Difference]: Start difference. First operand 187 states and 259 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:48,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:51,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:55,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:59,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:59,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:59,196 INFO L93 Difference]: Finished difference Result 467 states and 646 transitions. [2024-11-28 02:35:59,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:35:59,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-11-28 02:35:59,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:59,200 INFO L225 Difference]: With dead ends: 467 [2024-11-28 02:35:59,200 INFO L226 Difference]: Without dead ends: 283 [2024-11-28 02:35:59,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:35:59,202 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 48 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:59,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 789 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2024-11-28 02:35:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-28 02:35:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2024-11-28 02:35:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 215 states have (on average 1.3348837209302327) internal successors, (287), 216 states have internal predecessors, (287), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:35:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 331 transitions. [2024-11-28 02:35:59,225 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 331 transitions. Word has length 173 [2024-11-28 02:35:59,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:59,226 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 331 transitions. [2024-11-28 02:35:59,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:35:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 331 transitions. [2024-11-28 02:35:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 02:35:59,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:59,228 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:59,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-28 02:35:59,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:59,429 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:59,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:59,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1811199589, now seen corresponding path program 1 times [2024-11-28 02:35:59,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:59,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303390665] [2024-11-28 02:35:59,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:59,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:59,432 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:59,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-28 02:36:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:02,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-28 02:36:02,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:36:02,551 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 90 treesize of output 89 [2024-11-28 02:36:02,926 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 187 treesize of output 156 [2024-11-28 02:36:03,624 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 193 treesize of output 160 [2024-11-28 02:36:04,649 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 199 treesize of output 164 [2024-11-28 02:36:05,274 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 199 treesize of output 164 [2024-11-28 02:36:06,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 164 [2024-11-28 02:36:06,923 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 199 treesize of output 164 [2024-11-28 02:36:07,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 164 [2024-11-28 02:36:08,580 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 199 treesize of output 164 [2024-11-28 02:36:13,762 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 217 treesize of output 178 [2024-11-28 02:36:21,832 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 235 treesize of output 192 [2024-11-28 02:36:27,885 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 239 treesize of output 194 [2024-11-28 02:36:30,412 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 234 treesize of output 191 [2024-11-28 02:36:35,767 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 245 treesize of output 200 [2024-11-28 02:36:40,065 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 284 treesize of output 229 [2024-11-28 02:36:44,653 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 308 treesize of output 247 [2024-11-28 02:36:50,755 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 319 treesize of output 255 [2024-11-28 02:36:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 411 proven. 216 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-28 02:36:51,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:36:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:36:58,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:36:58,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303390665] [2024-11-28 02:36:58,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303390665] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:36:58,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:36:58,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [35] total 43 [2024-11-28 02:36:58,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031186002] [2024-11-28 02:36:58,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:58,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:36:58,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:36:58,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:36:58,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1566, Unknown=0, NotChecked=0, Total=1806 [2024-11-28 02:36:58,097 INFO L87 Difference]: Start difference. First operand 241 states and 331 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:37:04,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:09,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:13,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:15,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:20,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:23,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:25,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:28,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:32,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:35,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:38,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:37:38,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:37:38,738 INFO L93 Difference]: Finished difference Result 562 states and 768 transitions. [2024-11-28 02:37:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:37:38,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-11-28 02:37:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:37:38,743 INFO L225 Difference]: With dead ends: 562 [2024-11-28 02:37:38,743 INFO L226 Difference]: Without dead ends: 324 [2024-11-28 02:37:38,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 294 SyntacticMatches, 9 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 41.6s TimeCoverageRelationStatistics Valid=275, Invalid=1795, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 02:37:38,745 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 284 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:37:38,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 721 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 39.8s Time] [2024-11-28 02:37:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-28 02:37:38,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 257. [2024-11-28 02:37:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 231 states have (on average 1.3333333333333333) internal successors, (308), 232 states have internal predecessors, (308), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:37:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 352 transitions. [2024-11-28 02:37:38,770 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 352 transitions. Word has length 173 [2024-11-28 02:37:38,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:37:38,771 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 352 transitions. [2024-11-28 02:37:38,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 02:37:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 352 transitions. [2024-11-28 02:37:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 02:37:38,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:37:38,773 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:37:38,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-28 02:37:38,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:37:38,974 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:37:38,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:38,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1704347079, now seen corresponding path program 1 times [2024-11-28 02:37:38,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:37:38,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523378017] [2024-11-28 02:37:38,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:38,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:37:38,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:37:38,977 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:37:38,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a59cb55-8775-42c6-b9ac-1c7002ea6e47/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process