./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.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_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:14:04,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:14:04,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:14:04,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:14:04,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:14:04,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:14:04,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:14:04,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:14:04,629 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:14:04,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:14:04,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:14:04,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:14:04,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:14:04,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:14:04,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:14:04,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:14:04,632 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:14:04,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:14:04,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:14:04,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:14:04,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:14:04,633 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_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 [2024-12-02 12:14:04,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:14:04,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:14:04,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:14:04,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:14:04,906 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:14:04,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2024-12-02 12:14:07,568 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/4989c3118/8778df2d6d344da7af1df84a34c8a733/FLAGe9d2dd3e3 [2024-12-02 12:14:07,758 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:14:07,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2024-12-02 12:14:07,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/4989c3118/8778df2d6d344da7af1df84a34c8a733/FLAGe9d2dd3e3 [2024-12-02 12:14:07,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/4989c3118/8778df2d6d344da7af1df84a34c8a733 [2024-12-02 12:14:07,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:14:07,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:14:07,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:14:07,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:14:07,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:14:07,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:14:07" (1/1) ... [2024-12-02 12:14:07,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfc486c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:07, skipping insertion in model container [2024-12-02 12:14:07,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:14:07" (1/1) ... [2024-12-02 12:14:07,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:14:07,967 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2024-12-02 12:14:08,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:14:08,042 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:14:08,054 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_03c245fe-b782-4adc-9d85-9a8904402543/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2024-12-02 12:14:08,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:14:08,112 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:14:08,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08 WrapperNode [2024-12-02 12:14:08,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:14:08,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:14:08,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:14:08,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:14:08,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,166 INFO L138 Inliner]: procedures = 30, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 484 [2024-12-02 12:14:08,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:14:08,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:14:08,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:14:08,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:14:08,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,189 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 12:14:08,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,202 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:14:08,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:14:08,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:14:08,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:14:08,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (1/1) ... [2024-12-02 12:14:08,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:14:08,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:14:08,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:14:08,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:14:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:14:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 12:14:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:14:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:14:08,396 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:14:08,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:14:08,939 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-12-02 12:14:08,939 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:14:08,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:14:08,950 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:14:08,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:14:08 BoogieIcfgContainer [2024-12-02 12:14:08,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:14:08,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:14:08,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:14:08,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:14:08,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:14:07" (1/3) ... [2024-12-02 12:14:08,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b00b95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:14:08, skipping insertion in model container [2024-12-02 12:14:08,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:14:08" (2/3) ... [2024-12-02 12:14:08,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b00b95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:14:08, skipping insertion in model container [2024-12-02 12:14:08,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:14:08" (3/3) ... [2024-12-02 12:14:08,959 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-18.i [2024-12-02 12:14:08,971 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:14:08,972 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-18.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:14:09,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:14:09,039 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;@6b58bfac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:14:09,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:14:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:14:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 12:14:09,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:09,054 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:09,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:09,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:09,060 INFO L85 PathProgramCache]: Analyzing trace with hash -928902654, now seen corresponding path program 1 times [2024-12-02 12:14:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819163059] [2024-12-02 12:14:09,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 12:14:09,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:09,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819163059] [2024-12-02 12:14:09,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819163059] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:14:09,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393885899] [2024-12-02 12:14:09,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:09,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:14:09,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:14:09,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:14:09,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:14:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:09,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:14:09,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:14:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 12:14:09,599 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:14:09,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393885899] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:09,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:14:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:14:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917345805] [2024-12-02 12:14:09,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:09,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:14:09,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:09,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:14:09,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:14:09,622 INFO L87 Difference]: Start difference. First operand has 108 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:09,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:09,646 INFO L93 Difference]: Finished difference Result 209 states and 326 transitions. [2024-12-02 12:14:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:14:09,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2024-12-02 12:14:09,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:09,653 INFO L225 Difference]: With dead ends: 209 [2024-12-02 12:14:09,654 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 12:14:09,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:14:09,658 INFO L435 NwaCegarLoop]: 153 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, 153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:09,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:14:09,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 12:14:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-12-02 12:14:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:14:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2024-12-02 12:14:09,692 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 107 [2024-12-02 12:14:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:09,692 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2024-12-02 12:14:09,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2024-12-02 12:14:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 12:14:09,695 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:09,695 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:09,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:14:09,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:14:09,896 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:09,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:09,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2026293422, now seen corresponding path program 1 times [2024-12-02 12:14:09,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:09,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289865492] [2024-12-02 12:14:09,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:09,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:11,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:11,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289865492] [2024-12-02 12:14:11,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289865492] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:11,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:11,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:14:11,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124701175] [2024-12-02 12:14:11,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:11,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:14:11,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:11,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:14:11,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:14:11,914 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:12,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:12,385 INFO L93 Difference]: Finished difference Result 306 states and 453 transitions. [2024-12-02 12:14:12,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:14:12,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2024-12-02 12:14:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:12,388 INFO L225 Difference]: With dead ends: 306 [2024-12-02 12:14:12,388 INFO L226 Difference]: Without dead ends: 205 [2024-12-02 12:14:12,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:12,390 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 213 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:12,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 646 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:12,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-12-02 12:14:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 198. [2024-12-02 12:14:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 171 states have (on average 1.432748538011696) internal successors, (245), 171 states have internal predecessors, (245), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:14:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 293 transitions. [2024-12-02 12:14:12,416 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 293 transitions. Word has length 107 [2024-12-02 12:14:12,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:12,417 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 293 transitions. [2024-12-02 12:14:12,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2024-12-02 12:14:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:14:12,419 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:12,419 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:12,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:14:12,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:12,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:12,420 INFO L85 PathProgramCache]: Analyzing trace with hash 668226393, now seen corresponding path program 1 times [2024-12-02 12:14:12,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:12,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055439918] [2024-12-02 12:14:12,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:12,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:13,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:13,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055439918] [2024-12-02 12:14:13,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055439918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:13,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:13,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:14:13,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404529372] [2024-12-02 12:14:13,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:13,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:14:13,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:13,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:14:13,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:14:13,916 INFO L87 Difference]: Start difference. First operand 198 states and 293 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:14,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:14,515 INFO L93 Difference]: Finished difference Result 494 states and 733 transitions. [2024-12-02 12:14:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:14:14,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-12-02 12:14:14,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:14,518 INFO L225 Difference]: With dead ends: 494 [2024-12-02 12:14:14,518 INFO L226 Difference]: Without dead ends: 299 [2024-12-02 12:14:14,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:14,520 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 302 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:14,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 436 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:14:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-12-02 12:14:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2024-12-02 12:14:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 254 states have (on average 1.4291338582677164) internal successors, (363), 254 states have internal predecessors, (363), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:14:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 435 transitions. [2024-12-02 12:14:14,554 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 435 transitions. Word has length 108 [2024-12-02 12:14:14,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:14,555 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 435 transitions. [2024-12-02 12:14:14,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 435 transitions. [2024-12-02 12:14:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:14:14,557 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:14,557 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:14,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:14:14,557 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:14,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:14,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1488436341, now seen corresponding path program 1 times [2024-12-02 12:14:14,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:14,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092133714] [2024-12-02 12:14:14,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:14,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:14,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092133714] [2024-12-02 12:14:14,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092133714] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:14,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:14,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:14:14,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146127749] [2024-12-02 12:14:14,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:14,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:14:14,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:14,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:14:14,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:14:14,823 INFO L87 Difference]: Start difference. First operand 294 states and 435 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:14,879 INFO L93 Difference]: Finished difference Result 494 states and 733 transitions. [2024-12-02 12:14:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:14:14,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-12-02 12:14:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:14,882 INFO L225 Difference]: With dead ends: 494 [2024-12-02 12:14:14,882 INFO L226 Difference]: Without dead ends: 297 [2024-12-02 12:14:14,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:14:14,884 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 3 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:14,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 427 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:14:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-12-02 12:14:14,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 296. [2024-12-02 12:14:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 256 states have (on average 1.42578125) internal successors, (365), 256 states have internal predecessors, (365), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:14:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 437 transitions. [2024-12-02 12:14:14,927 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 437 transitions. Word has length 108 [2024-12-02 12:14:14,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:14,927 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 437 transitions. [2024-12-02 12:14:14,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 437 transitions. [2024-12-02 12:14:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:14:14,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:14,929 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:14,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:14:14,930 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:14,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:14,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1218183053, now seen corresponding path program 1 times [2024-12-02 12:14:14,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:14,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135230827] [2024-12-02 12:14:14,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:14,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:15,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:15,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135230827] [2024-12-02 12:14:15,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135230827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:15,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:15,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:14:15,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757610124] [2024-12-02 12:14:15,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:15,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:14:15,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:15,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:14:15,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:14:15,266 INFO L87 Difference]: Start difference. First operand 296 states and 437 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:15,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:15,307 INFO L93 Difference]: Finished difference Result 401 states and 592 transitions. [2024-12-02 12:14:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:14:15,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-12-02 12:14:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:15,310 INFO L225 Difference]: With dead ends: 401 [2024-12-02 12:14:15,310 INFO L226 Difference]: Without dead ends: 299 [2024-12-02 12:14:15,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:14:15,311 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 3 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:15,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 429 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:14:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-12-02 12:14:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2024-12-02 12:14:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 257 states have (on average 1.424124513618677) internal successors, (366), 257 states have internal predecessors, (366), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:14:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 438 transitions. [2024-12-02 12:14:15,333 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 438 transitions. Word has length 108 [2024-12-02 12:14:15,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:15,334 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 438 transitions. [2024-12-02 12:14:15,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 438 transitions. [2024-12-02 12:14:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:14:15,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:15,335 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:15,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:14:15,336 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:15,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:15,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1476348491, now seen corresponding path program 1 times [2024-12-02 12:14:15,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:15,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936846753] [2024-12-02 12:14:15,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:15,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 12:14:16,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:16,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936846753] [2024-12-02 12:14:16,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936846753] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:14:16,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067995661] [2024-12-02 12:14:16,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:14:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:14:16,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:14:16,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:14:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:16,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-02 12:14:16,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:14:16,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:14:17,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 12:14:17,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 12:14:17,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 12:14:17,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 12:14:18,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 12:14:18,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 12:14:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:14:18,585 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-02 12:14:18,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2024-12-02 12:14:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:14:18,776 INFO L349 Elim1Store]: treesize reduction 68, result has 42.4 percent of original size [2024-12-02 12:14:18,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 66 [2024-12-02 12:14:20,127 INFO L349 Elim1Store]: treesize reduction 144, result has 76.4 percent of original size [2024-12-02 12:14:20,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 197 treesize of output 553 [2024-12-02 12:14:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 12:14:27,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:14:27,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067995661] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:14:27,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:14:27,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2024-12-02 12:14:27,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843128229] [2024-12-02 12:14:27,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:14:27,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 12:14:27,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:27,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 12:14:27,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2024-12-02 12:14:27,644 INFO L87 Difference]: Start difference. First operand 297 states and 438 transitions. Second operand has 24 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 states have internal predecessors, (97), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 12:14:29,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:29,225 INFO L93 Difference]: Finished difference Result 835 states and 1220 transitions. [2024-12-02 12:14:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 12:14:29,226 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 states have internal predecessors, (97), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) Word has length 108 [2024-12-02 12:14:29,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:29,229 INFO L225 Difference]: With dead ends: 835 [2024-12-02 12:14:29,229 INFO L226 Difference]: Without dead ends: 541 [2024-12-02 12:14:29,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=266, Invalid=1216, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 12:14:29,232 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 807 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:29,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 888 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:14:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-12-02 12:14:29,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 328. [2024-12-02 12:14:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 285 states have (on average 1.3894736842105264) internal successors, (396), 285 states have internal predecessors, (396), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:14:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 468 transitions. [2024-12-02 12:14:29,268 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 468 transitions. Word has length 108 [2024-12-02 12:14:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:29,268 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 468 transitions. [2024-12-02 12:14:29,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 states have internal predecessors, (97), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 12:14:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 468 transitions. [2024-12-02 12:14:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 12:14:29,270 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:29,270 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:29,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 12:14:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 12:14:29,471 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:29,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:29,471 INFO L85 PathProgramCache]: Analyzing trace with hash -127855694, now seen corresponding path program 1 times [2024-12-02 12:14:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:29,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062033992] [2024-12-02 12:14:29,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:31,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:31,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062033992] [2024-12-02 12:14:31,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062033992] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:31,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:31,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 12:14:31,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073583166] [2024-12-02 12:14:31,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:31,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 12:14:31,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:31,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 12:14:31,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:14:31,079 INFO L87 Difference]: Start difference. First operand 328 states and 468 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:32,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:32,435 INFO L93 Difference]: Finished difference Result 899 states and 1277 transitions. [2024-12-02 12:14:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:14:32,436 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-12-02 12:14:32,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:32,439 INFO L225 Difference]: With dead ends: 899 [2024-12-02 12:14:32,439 INFO L226 Difference]: Without dead ends: 677 [2024-12-02 12:14:32,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=430, Unknown=0, NotChecked=0, Total=552 [2024-12-02 12:14:32,440 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 786 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:32,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 767 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:14:32,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-12-02 12:14:32,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 509. [2024-12-02 12:14:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 448 states have (on average 1.3883928571428572) internal successors, (622), 451 states have internal predecessors, (622), 48 states have call successors, (48), 12 states have call predecessors, (48), 12 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 12:14:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 718 transitions. [2024-12-02 12:14:32,486 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 718 transitions. Word has length 109 [2024-12-02 12:14:32,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:32,486 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 718 transitions. [2024-12-02 12:14:32,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 718 transitions. [2024-12-02 12:14:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 12:14:32,488 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:32,488 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:32,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:14:32,488 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:32,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:32,489 INFO L85 PathProgramCache]: Analyzing trace with hash -208465257, now seen corresponding path program 1 times [2024-12-02 12:14:32,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:32,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208227625] [2024-12-02 12:14:32,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:32,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:32,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:32,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208227625] [2024-12-02 12:14:32,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208227625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:32,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:32,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:14:32,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206150702] [2024-12-02 12:14:32,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:32,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:14:32,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:32,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:14:32,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:14:32,683 INFO L87 Difference]: Start difference. First operand 509 states and 718 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:33,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:33,024 INFO L93 Difference]: Finished difference Result 935 states and 1323 transitions. [2024-12-02 12:14:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:14:33,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-12-02 12:14:33,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:33,029 INFO L225 Difference]: With dead ends: 935 [2024-12-02 12:14:33,029 INFO L226 Difference]: Without dead ends: 579 [2024-12-02 12:14:33,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:14:33,030 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 57 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:33,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 656 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:14:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-12-02 12:14:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 512. [2024-12-02 12:14:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 451 states have (on average 1.3835920177383592) internal successors, (624), 454 states have internal predecessors, (624), 48 states have call successors, (48), 12 states have call predecessors, (48), 12 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 12:14:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 720 transitions. [2024-12-02 12:14:33,083 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 720 transitions. Word has length 110 [2024-12-02 12:14:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:33,083 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 720 transitions. [2024-12-02 12:14:33,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 720 transitions. [2024-12-02 12:14:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 12:14:33,084 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:33,085 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:33,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:14:33,085 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:33,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash -879318075, now seen corresponding path program 1 times [2024-12-02 12:14:33,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:33,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124782127] [2024-12-02 12:14:33,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:33,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:33,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:33,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124782127] [2024-12-02 12:14:33,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124782127] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:33,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:33,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:14:33,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137899819] [2024-12-02 12:14:33,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:33,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:14:33,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:33,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:14:33,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:33,792 INFO L87 Difference]: Start difference. First operand 512 states and 720 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 12:14:34,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:34,332 INFO L93 Difference]: Finished difference Result 1250 states and 1763 transitions. [2024-12-02 12:14:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:14:34,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-12-02 12:14:34,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:34,335 INFO L225 Difference]: With dead ends: 1250 [2024-12-02 12:14:34,335 INFO L226 Difference]: Without dead ends: 741 [2024-12-02 12:14:34,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:14:34,337 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 215 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:34,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 960 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:34,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-12-02 12:14:34,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 735. [2024-12-02 12:14:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 640 states have (on average 1.375) internal successors, (880), 644 states have internal predecessors, (880), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1032 transitions. [2024-12-02 12:14:34,386 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1032 transitions. Word has length 110 [2024-12-02 12:14:34,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:34,386 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1032 transitions. [2024-12-02 12:14:34,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 12:14:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1032 transitions. [2024-12-02 12:14:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:14:34,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:34,388 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:34,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:14:34,388 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:34,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:34,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1067030487, now seen corresponding path program 1 times [2024-12-02 12:14:34,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:34,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652653756] [2024-12-02 12:14:34,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:34,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:34,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652653756] [2024-12-02 12:14:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652653756] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:34,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:34,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:14:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335331948] [2024-12-02 12:14:34,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:34,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:14:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:34,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:14:34,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:34,966 INFO L87 Difference]: Start difference. First operand 735 states and 1032 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:35,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:35,746 INFO L93 Difference]: Finished difference Result 1309 states and 1838 transitions. [2024-12-02 12:14:35,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:14:35,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-12-02 12:14:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:35,751 INFO L225 Difference]: With dead ends: 1309 [2024-12-02 12:14:35,751 INFO L226 Difference]: Without dead ends: 796 [2024-12-02 12:14:35,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:14:35,753 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 258 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:35,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 850 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:14:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-12-02 12:14:35,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 739. [2024-12-02 12:14:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 644 states have (on average 1.374223602484472) internal successors, (885), 648 states have internal predecessors, (885), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1037 transitions. [2024-12-02 12:14:35,806 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1037 transitions. Word has length 111 [2024-12-02 12:14:35,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:35,806 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1037 transitions. [2024-12-02 12:14:35,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1037 transitions. [2024-12-02 12:14:35,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:14:35,808 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:35,808 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:35,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:14:35,808 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:35,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash -393371019, now seen corresponding path program 1 times [2024-12-02 12:14:35,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:35,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515049180] [2024-12-02 12:14:35,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:35,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:36,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:36,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515049180] [2024-12-02 12:14:36,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515049180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:36,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:36,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 12:14:36,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557127882] [2024-12-02 12:14:36,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:36,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:14:36,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:36,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:14:36,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:14:36,934 INFO L87 Difference]: Start difference. First operand 739 states and 1037 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:37,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:37,982 INFO L93 Difference]: Finished difference Result 1577 states and 2226 transitions. [2024-12-02 12:14:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:14:37,982 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-12-02 12:14:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:37,987 INFO L225 Difference]: With dead ends: 1577 [2024-12-02 12:14:37,987 INFO L226 Difference]: Without dead ends: 1062 [2024-12-02 12:14:37,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:14:37,988 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 341 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:37,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 722 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:14:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-12-02 12:14:38,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 761. [2024-12-02 12:14:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 666 states have (on average 1.3768768768768769) internal successors, (917), 670 states have internal predecessors, (917), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1069 transitions. [2024-12-02 12:14:38,041 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1069 transitions. Word has length 111 [2024-12-02 12:14:38,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:38,041 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 1069 transitions. [2024-12-02 12:14:38,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1069 transitions. [2024-12-02 12:14:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:14:38,042 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:38,043 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:38,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:14:38,043 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:38,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:38,043 INFO L85 PathProgramCache]: Analyzing trace with hash 565436183, now seen corresponding path program 1 times [2024-12-02 12:14:38,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:38,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131147934] [2024-12-02 12:14:38,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:38,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:39,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:39,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131147934] [2024-12-02 12:14:39,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131147934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:39,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:39,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 12:14:39,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052729137] [2024-12-02 12:14:39,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:39,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:14:39,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:39,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:14:39,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:14:39,244 INFO L87 Difference]: Start difference. First operand 761 states and 1069 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:40,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:40,421 INFO L93 Difference]: Finished difference Result 1214 states and 1709 transitions. [2024-12-02 12:14:40,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 12:14:40,422 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-12-02 12:14:40,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:40,426 INFO L225 Difference]: With dead ends: 1214 [2024-12-02 12:14:40,426 INFO L226 Difference]: Without dead ends: 850 [2024-12-02 12:14:40,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:14:40,427 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 314 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:40,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1132 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:14:40,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-12-02 12:14:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 778. [2024-12-02 12:14:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 683 states have (on average 1.3718887262079063) internal successors, (937), 687 states have internal predecessors, (937), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1089 transitions. [2024-12-02 12:14:40,482 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1089 transitions. Word has length 111 [2024-12-02 12:14:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:40,482 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1089 transitions. [2024-12-02 12:14:40,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1089 transitions. [2024-12-02 12:14:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:14:40,483 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:40,483 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:40,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:14:40,483 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:40,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash 390825252, now seen corresponding path program 1 times [2024-12-02 12:14:40,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:40,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977997875] [2024-12-02 12:14:40,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 12:14:40,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:40,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977997875] [2024-12-02 12:14:40,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977997875] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:14:40,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690042306] [2024-12-02 12:14:40,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:40,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:14:40,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:14:40,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:14:40,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:14:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:40,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:14:40,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:14:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:40,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:14:40,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690042306] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:40,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:14:40,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 12:14:40,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699749657] [2024-12-02 12:14:40,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:40,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:14:40,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:40,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:14:40,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:40,873 INFO L87 Difference]: Start difference. First operand 778 states and 1089 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:40,935 INFO L93 Difference]: Finished difference Result 1560 states and 2188 transitions. [2024-12-02 12:14:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:14:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-12-02 12:14:40,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:40,937 INFO L225 Difference]: With dead ends: 1560 [2024-12-02 12:14:40,937 INFO L226 Difference]: Without dead ends: 802 [2024-12-02 12:14:40,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:40,939 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:40,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 585 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:14:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-12-02 12:14:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2024-12-02 12:14:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 707 states have (on average 1.3592644978783592) internal successors, (961), 711 states have internal predecessors, (961), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1113 transitions. [2024-12-02 12:14:40,987 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1113 transitions. Word has length 111 [2024-12-02 12:14:40,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:40,987 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1113 transitions. [2024-12-02 12:14:40,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:40,987 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1113 transitions. [2024-12-02 12:14:40,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:14:40,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:40,988 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:40,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:14:41,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 12:14:41,189 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:41,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash -139075208, now seen corresponding path program 1 times [2024-12-02 12:14:41,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:41,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102687295] [2024-12-02 12:14:41,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:41,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:41,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102687295] [2024-12-02 12:14:41,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102687295] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:41,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:41,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:14:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834567386] [2024-12-02 12:14:41,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:41,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:14:41,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:41,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:14:41,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:41,837 INFO L87 Difference]: Start difference. First operand 802 states and 1113 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 12:14:42,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:42,376 INFO L93 Difference]: Finished difference Result 1599 states and 2225 transitions. [2024-12-02 12:14:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:14:42,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-12-02 12:14:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:42,381 INFO L225 Difference]: With dead ends: 1599 [2024-12-02 12:14:42,381 INFO L226 Difference]: Without dead ends: 817 [2024-12-02 12:14:42,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:14:42,383 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 219 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:42,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 845 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:42,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-12-02 12:14:42,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 809. [2024-12-02 12:14:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 714 states have (on average 1.3557422969187676) internal successors, (968), 718 states have internal predecessors, (968), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1120 transitions. [2024-12-02 12:14:42,432 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1120 transitions. Word has length 111 [2024-12-02 12:14:42,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:42,433 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1120 transitions. [2024-12-02 12:14:42,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 12:14:42,433 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1120 transitions. [2024-12-02 12:14:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 12:14:42,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:42,434 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:42,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:14:42,434 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:42,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:42,434 INFO L85 PathProgramCache]: Analyzing trace with hash -503496918, now seen corresponding path program 1 times [2024-12-02 12:14:42,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:42,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887256632] [2024-12-02 12:14:42,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:42,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:43,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:43,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887256632] [2024-12-02 12:14:43,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887256632] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:43,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:43,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:14:43,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638145432] [2024-12-02 12:14:43,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:43,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:14:43,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:43,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:14:43,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:43,160 INFO L87 Difference]: Start difference. First operand 809 states and 1120 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:43,661 INFO L93 Difference]: Finished difference Result 1623 states and 2254 transitions. [2024-12-02 12:14:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:14:43,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-12-02 12:14:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:43,667 INFO L225 Difference]: With dead ends: 1623 [2024-12-02 12:14:43,667 INFO L226 Difference]: Without dead ends: 834 [2024-12-02 12:14:43,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:14:43,669 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 122 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:43,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 682 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:43,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-12-02 12:14:43,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 817. [2024-12-02 12:14:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 722 states have (on average 1.350415512465374) internal successors, (975), 726 states have internal predecessors, (975), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1127 transitions. [2024-12-02 12:14:43,750 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1127 transitions. Word has length 112 [2024-12-02 12:14:43,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:43,750 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1127 transitions. [2024-12-02 12:14:43,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1127 transitions. [2024-12-02 12:14:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 12:14:43,751 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:43,751 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:43,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:14:43,751 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:43,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:43,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1090302932, now seen corresponding path program 1 times [2024-12-02 12:14:43,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:43,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704671078] [2024-12-02 12:14:43,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:43,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:44,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:44,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704671078] [2024-12-02 12:14:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704671078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:44,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:14:44,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585068828] [2024-12-02 12:14:44,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:44,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:14:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:44,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:14:44,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:44,093 INFO L87 Difference]: Start difference. First operand 817 states and 1127 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:44,705 INFO L93 Difference]: Finished difference Result 1970 states and 2732 transitions. [2024-12-02 12:14:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:14:44,706 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-12-02 12:14:44,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:44,708 INFO L225 Difference]: With dead ends: 1970 [2024-12-02 12:14:44,708 INFO L226 Difference]: Without dead ends: 1400 [2024-12-02 12:14:44,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:14:44,710 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 584 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:44,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 630 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2024-12-02 12:14:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 882. [2024-12-02 12:14:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 787 states have (on average 1.3621346886912324) internal successors, (1072), 791 states have internal predecessors, (1072), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1224 transitions. [2024-12-02 12:14:44,780 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1224 transitions. Word has length 112 [2024-12-02 12:14:44,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:44,780 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1224 transitions. [2024-12-02 12:14:44,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1224 transitions. [2024-12-02 12:14:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 12:14:44,782 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:44,782 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:44,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:14:44,782 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:44,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:44,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1746645732, now seen corresponding path program 1 times [2024-12-02 12:14:44,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:44,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807860781] [2024-12-02 12:14:44,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:44,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:45,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:45,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807860781] [2024-12-02 12:14:45,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807860781] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:45,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:45,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 12:14:45,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296994999] [2024-12-02 12:14:45,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:45,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:14:45,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:45,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:14:45,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:14:45,264 INFO L87 Difference]: Start difference. First operand 882 states and 1224 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:46,212 INFO L93 Difference]: Finished difference Result 1616 states and 2242 transitions. [2024-12-02 12:14:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:14:46,213 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2024-12-02 12:14:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:46,215 INFO L225 Difference]: With dead ends: 1616 [2024-12-02 12:14:46,215 INFO L226 Difference]: Without dead ends: 1388 [2024-12-02 12:14:46,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:14:46,216 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 346 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:46,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1237 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:14:46,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-12-02 12:14:46,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 886. [2024-12-02 12:14:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 791 states have (on average 1.3628318584070795) internal successors, (1078), 795 states have internal predecessors, (1078), 76 states have call successors, (76), 18 states have call predecessors, (76), 18 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 12:14:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1230 transitions. [2024-12-02 12:14:46,292 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1230 transitions. Word has length 112 [2024-12-02 12:14:46,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:46,292 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1230 transitions. [2024-12-02 12:14:46,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1230 transitions. [2024-12-02 12:14:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:46,294 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:46,294 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:46,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:14:46,294 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:46,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:46,294 INFO L85 PathProgramCache]: Analyzing trace with hash 653614227, now seen corresponding path program 1 times [2024-12-02 12:14:46,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:46,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544213470] [2024-12-02 12:14:46,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:46,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:46,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544213470] [2024-12-02 12:14:46,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544213470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:46,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:46,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:14:46,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664071132] [2024-12-02 12:14:46,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:46,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:14:46,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:46,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:14:46,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:14:46,924 INFO L87 Difference]: Start difference. First operand 886 states and 1230 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:47,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:47,348 INFO L93 Difference]: Finished difference Result 1872 states and 2613 transitions. [2024-12-02 12:14:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:14:47,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-12-02 12:14:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:47,351 INFO L225 Difference]: With dead ends: 1872 [2024-12-02 12:14:47,351 INFO L226 Difference]: Without dead ends: 1006 [2024-12-02 12:14:47,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:47,352 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 194 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:47,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 478 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:14:47,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-12-02 12:14:47,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 998. [2024-12-02 12:14:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 889 states have (on average 1.3655793025871765) internal successors, (1214), 893 states have internal predecessors, (1214), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 12:14:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1390 transitions. [2024-12-02 12:14:47,408 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1390 transitions. Word has length 113 [2024-12-02 12:14:47,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:47,409 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1390 transitions. [2024-12-02 12:14:47,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1390 transitions. [2024-12-02 12:14:47,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:47,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:47,410 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:47,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:14:47,410 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:47,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash 49930470, now seen corresponding path program 1 times [2024-12-02 12:14:47,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:47,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552410254] [2024-12-02 12:14:47,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:48,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:48,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552410254] [2024-12-02 12:14:48,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552410254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:48,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:48,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 12:14:48,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159627391] [2024-12-02 12:14:48,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:48,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:14:48,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:48,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:14:48,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:14:48,308 INFO L87 Difference]: Start difference. First operand 998 states and 1390 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:48,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:48,891 INFO L93 Difference]: Finished difference Result 1645 states and 2290 transitions. [2024-12-02 12:14:48,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:14:48,891 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-12-02 12:14:48,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:48,894 INFO L225 Difference]: With dead ends: 1645 [2024-12-02 12:14:48,894 INFO L226 Difference]: Without dead ends: 1014 [2024-12-02 12:14:48,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:14:48,895 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 206 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:48,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 753 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-12-02 12:14:48,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 1006. [2024-12-02 12:14:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 897 states have (on average 1.3623188405797102) internal successors, (1222), 901 states have internal predecessors, (1222), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 12:14:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1398 transitions. [2024-12-02 12:14:48,957 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1398 transitions. Word has length 113 [2024-12-02 12:14:48,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:48,957 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1398 transitions. [2024-12-02 12:14:48,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:48,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1398 transitions. [2024-12-02 12:14:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:48,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:48,958 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:48,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:14:48,958 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:48,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash -173705668, now seen corresponding path program 1 times [2024-12-02 12:14:48,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:48,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181838574] [2024-12-02 12:14:48,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:48,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:50,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:50,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181838574] [2024-12-02 12:14:50,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181838574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:50,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:50,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 12:14:50,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913574099] [2024-12-02 12:14:50,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:50,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:14:50,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:50,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:14:50,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:14:50,069 INFO L87 Difference]: Start difference. First operand 1006 states and 1398 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:51,241 INFO L93 Difference]: Finished difference Result 1719 states and 2382 transitions. [2024-12-02 12:14:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:14:51,242 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-12-02 12:14:51,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:51,245 INFO L225 Difference]: With dead ends: 1719 [2024-12-02 12:14:51,245 INFO L226 Difference]: Without dead ends: 1080 [2024-12-02 12:14:51,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:14:51,246 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 714 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:51,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1104 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:14:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-12-02 12:14:51,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 985. [2024-12-02 12:14:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 876 states have (on average 1.3595890410958904) internal successors, (1191), 880 states have internal predecessors, (1191), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 12:14:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1367 transitions. [2024-12-02 12:14:51,344 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1367 transitions. Word has length 113 [2024-12-02 12:14:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:51,344 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1367 transitions. [2024-12-02 12:14:51,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1367 transitions. [2024-12-02 12:14:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:51,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:51,346 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:51,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:14:51,346 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:51,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:51,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1093688689, now seen corresponding path program 1 times [2024-12-02 12:14:51,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:51,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350640951] [2024-12-02 12:14:51,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:51,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 12:14:51,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350640951] [2024-12-02 12:14:51,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350640951] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:14:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384312813] [2024-12-02 12:14:51,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:51,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:14:51,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:14:51,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:14:51,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:14:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:51,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:14:51,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:14:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:51,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:14:51,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384312813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:51,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:14:51,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 12:14:51,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237555163] [2024-12-02 12:14:51,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:51,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:14:51,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:51,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:14:51,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:14:51,700 INFO L87 Difference]: Start difference. First operand 985 states and 1367 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:51,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:51,799 INFO L93 Difference]: Finished difference Result 1977 states and 2748 transitions. [2024-12-02 12:14:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:14:51,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2024-12-02 12:14:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:51,803 INFO L225 Difference]: With dead ends: 1977 [2024-12-02 12:14:51,804 INFO L226 Difference]: Without dead ends: 1012 [2024-12-02 12:14:51,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:14:51,805 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 584 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 [2024-12-02 12:14:51,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 584 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:14:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2024-12-02 12:14:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2024-12-02 12:14:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 903 states have (on average 1.3488372093023255) internal successors, (1218), 907 states have internal predecessors, (1218), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 12:14:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1394 transitions. [2024-12-02 12:14:51,873 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1394 transitions. Word has length 113 [2024-12-02 12:14:51,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:51,873 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1394 transitions. [2024-12-02 12:14:51,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1394 transitions. [2024-12-02 12:14:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:51,874 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:51,874 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:51,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:14:52,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:14:52,075 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:52,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:52,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1632418423, now seen corresponding path program 1 times [2024-12-02 12:14:52,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:52,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843404717] [2024-12-02 12:14:52,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:52,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:52,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:52,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843404717] [2024-12-02 12:14:52,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843404717] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:52,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:52,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:14:52,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943320735] [2024-12-02 12:14:52,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:52,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:14:52,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:52,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:14:52,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:52,919 INFO L87 Difference]: Start difference. First operand 1012 states and 1394 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:53,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:53,805 INFO L93 Difference]: Finished difference Result 1290 states and 1775 transitions. [2024-12-02 12:14:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:14:53,806 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2024-12-02 12:14:53,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:53,810 INFO L225 Difference]: With dead ends: 1290 [2024-12-02 12:14:53,810 INFO L226 Difference]: Without dead ends: 1052 [2024-12-02 12:14:53,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:14:53,812 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 311 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:53,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 867 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:14:53,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2024-12-02 12:14:53,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1015. [2024-12-02 12:14:53,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 906 states have (on average 1.3476821192052981) internal successors, (1221), 910 states have internal predecessors, (1221), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 12:14:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1397 transitions. [2024-12-02 12:14:53,867 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1397 transitions. Word has length 113 [2024-12-02 12:14:53,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:53,867 INFO L471 AbstractCegarLoop]: Abstraction has 1015 states and 1397 transitions. [2024-12-02 12:14:53,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1397 transitions. [2024-12-02 12:14:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:53,868 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:53,868 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:53,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:14:53,868 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:53,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1709577915, now seen corresponding path program 1 times [2024-12-02 12:14:53,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812550168] [2024-12-02 12:14:53,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:53,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:54,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:54,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812550168] [2024-12-02 12:14:54,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812550168] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:54,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:54,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:14:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518694481] [2024-12-02 12:14:54,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:54,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:14:54,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:54,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:14:54,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:54,641 INFO L87 Difference]: Start difference. First operand 1015 states and 1397 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 12:14:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:55,137 INFO L93 Difference]: Finished difference Result 1507 states and 2088 transitions. [2024-12-02 12:14:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:14:55,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2024-12-02 12:14:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:55,140 INFO L225 Difference]: With dead ends: 1507 [2024-12-02 12:14:55,140 INFO L226 Difference]: Without dead ends: 1140 [2024-12-02 12:14:55,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:14:55,141 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 205 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:55,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 730 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:14:55,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-12-02 12:14:55,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1138. [2024-12-02 12:14:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1015 states have (on average 1.3507389162561576) internal successors, (1371), 1019 states have internal predecessors, (1371), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:14:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1571 transitions. [2024-12-02 12:14:55,201 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1571 transitions. Word has length 113 [2024-12-02 12:14:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:55,202 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1571 transitions. [2024-12-02 12:14:55,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 12:14:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1571 transitions. [2024-12-02 12:14:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:14:55,203 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:55,203 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:55,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:14:55,203 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:55,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -949509134, now seen corresponding path program 1 times [2024-12-02 12:14:55,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:55,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086376553] [2024-12-02 12:14:55,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:55,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:55,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086376553] [2024-12-02 12:14:55,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086376553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:55,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:55,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:14:55,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766792614] [2024-12-02 12:14:55,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:55,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:14:55,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:55,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:14:55,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:55,534 INFO L87 Difference]: Start difference. First operand 1138 states and 1571 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:55,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:55,975 INFO L93 Difference]: Finished difference Result 1882 states and 2600 transitions. [2024-12-02 12:14:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:14:55,976 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2024-12-02 12:14:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:55,979 INFO L225 Difference]: With dead ends: 1882 [2024-12-02 12:14:55,979 INFO L226 Difference]: Without dead ends: 1392 [2024-12-02 12:14:55,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:14:55,980 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 252 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:55,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 672 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:14:55,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2024-12-02 12:14:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1146. [2024-12-02 12:14:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 1023 states have (on average 1.3470185728250244) internal successors, (1378), 1027 states have internal predecessors, (1378), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:14:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1578 transitions. [2024-12-02 12:14:56,057 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1578 transitions. Word has length 113 [2024-12-02 12:14:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:56,058 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1578 transitions. [2024-12-02 12:14:56,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:14:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1578 transitions. [2024-12-02 12:14:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:14:56,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:56,059 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:56,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 12:14:56,059 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:56,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:56,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1069576467, now seen corresponding path program 1 times [2024-12-02 12:14:56,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:56,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089740170] [2024-12-02 12:14:56,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:56,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:57,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:57,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089740170] [2024-12-02 12:14:57,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089740170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:57,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:57,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:14:57,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91347863] [2024-12-02 12:14:57,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:57,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:14:57,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:57,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:14:57,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:14:57,011 INFO L87 Difference]: Start difference. First operand 1146 states and 1578 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:57,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:57,991 INFO L93 Difference]: Finished difference Result 2199 states and 3013 transitions. [2024-12-02 12:14:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:14:57,992 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-12-02 12:14:57,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:57,996 INFO L225 Difference]: With dead ends: 2199 [2024-12-02 12:14:57,996 INFO L226 Difference]: Without dead ends: 1553 [2024-12-02 12:14:57,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:14:57,997 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 376 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:57,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1165 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:14:57,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2024-12-02 12:14:58,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1169. [2024-12-02 12:14:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1046 states have (on average 1.347036328871893) internal successors, (1409), 1050 states have internal predecessors, (1409), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:14:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1609 transitions. [2024-12-02 12:14:58,071 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1609 transitions. Word has length 114 [2024-12-02 12:14:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:58,071 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1609 transitions. [2024-12-02 12:14:58,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1609 transitions. [2024-12-02 12:14:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:14:58,072 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:58,072 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:58,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 12:14:58,072 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:58,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:58,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1945527151, now seen corresponding path program 1 times [2024-12-02 12:14:58,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:58,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541443652] [2024-12-02 12:14:58,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:58,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:14:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:14:58,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:14:58,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541443652] [2024-12-02 12:14:58,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541443652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:14:58,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:14:58,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:14:58,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741926936] [2024-12-02 12:14:58,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:14:58,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:14:58,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:14:58,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:14:58,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:14:58,819 INFO L87 Difference]: Start difference. First operand 1169 states and 1609 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:59,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:14:59,611 INFO L93 Difference]: Finished difference Result 1954 states and 2679 transitions. [2024-12-02 12:14:59,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:14:59,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-12-02 12:14:59,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:14:59,614 INFO L225 Difference]: With dead ends: 1954 [2024-12-02 12:14:59,614 INFO L226 Difference]: Without dead ends: 1284 [2024-12-02 12:14:59,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:14:59,615 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 355 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:14:59,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 829 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:14:59,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2024-12-02 12:14:59,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1150. [2024-12-02 12:14:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1027 states have (on average 1.3456669912366115) internal successors, (1382), 1031 states have internal predecessors, (1382), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:14:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1582 transitions. [2024-12-02 12:14:59,678 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1582 transitions. Word has length 114 [2024-12-02 12:14:59,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:14:59,678 INFO L471 AbstractCegarLoop]: Abstraction has 1150 states and 1582 transitions. [2024-12-02 12:14:59,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:14:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1582 transitions. [2024-12-02 12:14:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:14:59,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:14:59,679 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:14:59,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 12:14:59,679 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:14:59,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:14:59,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1363693079, now seen corresponding path program 1 times [2024-12-02 12:14:59,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:14:59,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394823617] [2024-12-02 12:14:59,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:14:59,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:14:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:15:00,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394823617] [2024-12-02 12:15:00,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394823617] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:00,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:00,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 12:15:00,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148591806] [2024-12-02 12:15:00,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:00,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:15:00,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:15:00,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:15:00,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:15:00,447 INFO L87 Difference]: Start difference. First operand 1150 states and 1582 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:01,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:01,391 INFO L93 Difference]: Finished difference Result 2135 states and 2918 transitions. [2024-12-02 12:15:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:15:01,392 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-12-02 12:15:01,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:01,397 INFO L225 Difference]: With dead ends: 2135 [2024-12-02 12:15:01,397 INFO L226 Difference]: Without dead ends: 1657 [2024-12-02 12:15:01,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:15:01,398 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 478 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:01,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 812 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:15:01,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2024-12-02 12:15:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1155. [2024-12-02 12:15:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1032 states have (on average 1.3420542635658914) internal successors, (1385), 1036 states have internal predecessors, (1385), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:15:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1585 transitions. [2024-12-02 12:15:01,507 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1585 transitions. Word has length 114 [2024-12-02 12:15:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:01,507 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1585 transitions. [2024-12-02 12:15:01,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1585 transitions. [2024-12-02 12:15:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:15:01,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:01,508 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:01,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:15:01,509 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:01,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:01,509 INFO L85 PathProgramCache]: Analyzing trace with hash -273087997, now seen corresponding path program 1 times [2024-12-02 12:15:01,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:15:01,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828758619] [2024-12-02 12:15:01,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:01,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:15:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:01,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:15:01,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828758619] [2024-12-02 12:15:01,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828758619] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:01,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:01,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 12:15:01,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735875413] [2024-12-02 12:15:01,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:01,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:15:01,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:15:01,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:15:01,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:15:01,866 INFO L87 Difference]: Start difference. First operand 1155 states and 1585 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:02,473 INFO L93 Difference]: Finished difference Result 1655 states and 2265 transitions. [2024-12-02 12:15:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:15:02,474 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-12-02 12:15:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:02,479 INFO L225 Difference]: With dead ends: 1655 [2024-12-02 12:15:02,479 INFO L226 Difference]: Without dead ends: 1403 [2024-12-02 12:15:02,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:15:02,481 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 169 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:02,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 850 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:15:02,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-02 12:15:02,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1158. [2024-12-02 12:15:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1035 states have (on average 1.3429951690821256) internal successors, (1390), 1039 states have internal predecessors, (1390), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:15:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1590 transitions. [2024-12-02 12:15:02,580 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1590 transitions. Word has length 114 [2024-12-02 12:15:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:02,580 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1590 transitions. [2024-12-02 12:15:02,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1590 transitions. [2024-12-02 12:15:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:15:02,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:02,581 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:02,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:15:02,581 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:02,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:02,582 INFO L85 PathProgramCache]: Analyzing trace with hash 90081879, now seen corresponding path program 1 times [2024-12-02 12:15:02,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:15:02,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987907454] [2024-12-02 12:15:02,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:02,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:15:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:15:02,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987907454] [2024-12-02 12:15:02,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987907454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:02,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:02,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:02,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774132815] [2024-12-02 12:15:02,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:02,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:02,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:15:02,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:02,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:02,729 INFO L87 Difference]: Start difference. First operand 1158 states and 1590 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:02,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:02,881 INFO L93 Difference]: Finished difference Result 1437 states and 1974 transitions. [2024-12-02 12:15:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:15:02,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-12-02 12:15:02,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:02,887 INFO L225 Difference]: With dead ends: 1437 [2024-12-02 12:15:02,887 INFO L226 Difference]: Without dead ends: 1182 [2024-12-02 12:15:02,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:02,888 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 4 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:02,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 387 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:15:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-12-02 12:15:02,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1155. [2024-12-02 12:15:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1032 states have (on average 1.3420542635658914) internal successors, (1385), 1036 states have internal predecessors, (1385), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:15:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1585 transitions. [2024-12-02 12:15:02,961 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1585 transitions. Word has length 114 [2024-12-02 12:15:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:02,962 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1585 transitions. [2024-12-02 12:15:02,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1585 transitions. [2024-12-02 12:15:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:15:02,962 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:02,962 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:02,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 12:15:02,963 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:02,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:02,963 INFO L85 PathProgramCache]: Analyzing trace with hash -496724135, now seen corresponding path program 1 times [2024-12-02 12:15:02,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:15:02,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099852567] [2024-12-02 12:15:02,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:02,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:15:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:03,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:15:03,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099852567] [2024-12-02 12:15:03,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099852567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:03,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:03,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 12:15:03,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411037425] [2024-12-02 12:15:03,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:03,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:15:03,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:15:03,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:15:03,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:15:03,526 INFO L87 Difference]: Start difference. First operand 1155 states and 1585 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:04,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:04,390 INFO L93 Difference]: Finished difference Result 2741 states and 3742 transitions. [2024-12-02 12:15:04,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 12:15:04,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-12-02 12:15:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:04,396 INFO L225 Difference]: With dead ends: 2741 [2024-12-02 12:15:04,396 INFO L226 Difference]: Without dead ends: 2086 [2024-12-02 12:15:04,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:15:04,398 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 595 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:04,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 943 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:15:04,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2024-12-02 12:15:04,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1172. [2024-12-02 12:15:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1049 states have (on average 1.34604385128694) internal successors, (1412), 1053 states have internal predecessors, (1412), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:15:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1612 transitions. [2024-12-02 12:15:04,475 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1612 transitions. Word has length 114 [2024-12-02 12:15:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:04,475 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1612 transitions. [2024-12-02 12:15:04,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1612 transitions. [2024-12-02 12:15:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:15:04,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:04,476 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:04,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 12:15:04,476 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:04,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:04,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1482295786, now seen corresponding path program 1 times [2024-12-02 12:15:04,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:15:04,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783182645] [2024-12-02 12:15:04,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:15:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:04,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:15:04,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783182645] [2024-12-02 12:15:04,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783182645] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:04,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:04,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:15:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423761344] [2024-12-02 12:15:04,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:04,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:15:04,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:15:04,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:15:04,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:15:04,550 INFO L87 Difference]: Start difference. First operand 1172 states and 1612 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:04,652 INFO L93 Difference]: Finished difference Result 2294 states and 3151 transitions. [2024-12-02 12:15:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:15:04,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-12-02 12:15:04,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:04,655 INFO L225 Difference]: With dead ends: 2294 [2024-12-02 12:15:04,655 INFO L226 Difference]: Without dead ends: 1134 [2024-12-02 12:15:04,656 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 [2024-12-02 12:15:04,657 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 298 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 [2024-12-02 12:15:04,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 298 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:15:04,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-12-02 12:15:04,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1130. [2024-12-02 12:15:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1007 states have (on average 1.3326713008937439) internal successors, (1342), 1011 states have internal predecessors, (1342), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:15:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1542 transitions. [2024-12-02 12:15:04,726 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1542 transitions. Word has length 115 [2024-12-02 12:15:04,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:04,726 INFO L471 AbstractCegarLoop]: Abstraction has 1130 states and 1542 transitions. [2024-12-02 12:15:04,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1542 transitions. [2024-12-02 12:15:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:15:04,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:04,727 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:04,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 12:15:04,728 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:04,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -687901443, now seen corresponding path program 1 times [2024-12-02 12:15:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:15:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105440649] [2024-12-02 12:15:04,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:15:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:05,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:15:05,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105440649] [2024-12-02 12:15:05,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105440649] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:05,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:05,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:15:05,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254290772] [2024-12-02 12:15:05,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:05,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:15:05,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:15:05,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:15:05,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:15:05,668 INFO L87 Difference]: Start difference. First operand 1130 states and 1542 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:15:06,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:06,316 INFO L93 Difference]: Finished difference Result 1930 states and 2630 transitions. [2024-12-02 12:15:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:15:06,316 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-12-02 12:15:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:06,319 INFO L225 Difference]: With dead ends: 1930 [2024-12-02 12:15:06,319 INFO L226 Difference]: Without dead ends: 1280 [2024-12-02 12:15:06,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:15:06,320 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 444 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:06,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 591 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:15:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2024-12-02 12:15:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1107. [2024-12-02 12:15:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 984 states have (on average 1.326219512195122) internal successors, (1305), 988 states have internal predecessors, (1305), 100 states have call successors, (100), 22 states have call predecessors, (100), 22 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 12:15:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1505 transitions. [2024-12-02 12:15:06,387 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1505 transitions. Word has length 115 [2024-12-02 12:15:06,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:06,387 INFO L471 AbstractCegarLoop]: Abstraction has 1107 states and 1505 transitions. [2024-12-02 12:15:06,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:15:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1505 transitions. [2024-12-02 12:15:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:15:06,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:06,388 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:06,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 12:15:06,388 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:06,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1967765121, now seen corresponding path program 1 times [2024-12-02 12:15:06,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:15:06,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087662440] [2024-12-02 12:15:06,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:15:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:15:06,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800171871] [2024-12-02 12:15:06,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:06,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:15:06,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:15:06,435 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:15:06,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:15:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:15:06,905 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:15:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:15:07,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:15:07,189 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:15:07,190 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:15:07,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:15:07,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:15:07,395 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:07,501 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:15:07,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:15:07 BoogieIcfgContainer [2024-12-02 12:15:07,504 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:15:07,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:15:07,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:15:07,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:15:07,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:14:08" (3/4) ... [2024-12-02 12:15:07,508 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:15:07,509 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:15:07,509 INFO L158 Benchmark]: Toolchain (without parser) took 59721.65ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 116.6MB in the beginning and 419.1MB in the end (delta: -302.5MB). Peak memory consumption was 309.4MB. Max. memory is 16.1GB. [2024-12-02 12:15:07,509 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:15:07,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.52ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 101.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:15:07,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.89ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:15:07,510 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 94.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:15:07,510 INFO L158 Benchmark]: RCFGBuilder took 732.66ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 58.8MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 12:15:07,511 INFO L158 Benchmark]: TraceAbstraction took 58551.95ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 58.0MB in the beginning and 419.1MB in the end (delta: -361.1MB). Peak memory consumption was 250.7MB. Max. memory is 16.1GB. [2024-12-02 12:15:07,511 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 755.0MB. Free memory was 419.1MB in the beginning and 419.1MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:15:07,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.52ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 101.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.89ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 94.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 732.66ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 58.8MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 58551.95ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 58.0MB in the beginning and 419.1MB in the end (delta: -361.1MB). Peak memory consumption was 250.7MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 755.0MB. Free memory was 419.1MB in the beginning and 419.1MB in the end (delta: 67.8kB). There was no memory consumed. 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 114, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of bitwiseOr at line 114, overapproximation of bitwiseOr at line 79, overapproximation of bitwiseAnd at line 71. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 99.25, 18477, 5, 5.8, 0.5, 16, 50, 1, 256, 0 }; [L47] float* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] signed short int* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L49] signed short int* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L50] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L51] float* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L52] unsigned char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L53] unsigned char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L54] unsigned char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L55] unsigned long int* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L56] unsigned char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L57] unsigned char last_1_WrapperStruct00_var_1_11 = 16; [L58] unsigned long int last_1_WrapperStruct00_var_1_14 = 256; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=0, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L118] isInitial = 1 [L119] FCALL initially() [L121] CALL updateLastVariables() [L110] EXPR WrapperStruct00.var_1_11 [L110] last_1_WrapperStruct00_var_1_11 = WrapperStruct00.var_1_11 [L111] EXPR WrapperStruct00.var_1_14 [L111] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L121] RET updateLastVariables() [L122] CALL updateVariables() [L89] WrapperStruct00.var_1_7 = __VERIFIER_nondet_short() [L90] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L91] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L92] WrapperStruct00.var_1_8 = __VERIFIER_nondet_short() [L93] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L94] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L95] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_9 [L96] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_9 [L96] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L96] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L97] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_10 [L98] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_10 [L98] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L98] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L99] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L101] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L102] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L104] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L105] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L107] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L122] RET updateVariables() [L123] CALL step() [L62] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L62] signed short int stepLocal_3 = (*(WrapperStruct00_var_1_8_Pointer)); [L63] unsigned long int stepLocal_2 = last_1_WrapperStruct00_var_1_14; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256, stepLocal_3=256] [L64] COND FALSE !(last_1_WrapperStruct00_var_1_14 > stepLocal_3) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256] [L71] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_7_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256] [L71] EXPR (*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256] [L71] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256] [L71] COND FALSE !(((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) [L76] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L76] (*(WrapperStruct00_var_1_14_Pointer)) = (*(WrapperStruct00_var_1_7_Pointer)) [L78] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L78] unsigned char stepLocal_1 = (*(WrapperStruct00_var_1_11_Pointer)); [L79] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L79] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L79] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256] [L79] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) [L79] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L79] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256] [L79] EXPR (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256] [L79] unsigned long int stepLocal_0 = (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))))); [L80] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_0=16, stepLocal_1=16, stepLocal_2=256] [L80] COND FALSE !(stepLocal_0 != (*(WrapperStruct00_var_1_11_Pointer))) [L85] (*(WrapperStruct00_var_1_1_Pointer)) = 10.5f VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256] [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) [L114] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f)) [L114] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR ((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)) && ((((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) && ((*(WrapperStruct00_var_1_9_Pointer)) > (*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer)))) : 1) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114-L115] return (((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)) && ((((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) && ((*(WrapperStruct00_var_1_9_Pointer)) > (*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer)))) : 1) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer))))) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.4s, OverallIterations: 33, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8876 SdHoareTripleChecker+Valid, 13.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8873 mSDsluCounter, 23108 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18310 mSDsCounter, 465 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14603 IncrementalHoareTripleChecker+Invalid, 15068 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 465 mSolverCounterUnsat, 4798 mSDtfsCounter, 14603 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 621 SyntacticMatches, 2 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1172occurred in iteration=30, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 32 MinimizatonAttempts, 4723 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 31.7s InterpolantComputationTime, 4240 NumberOfCodeBlocks, 4240 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 3974 ConstructedInterpolants, 6 QuantifiedInterpolants, 33482 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1837 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 36 InterpolantComputations, 31 PerfectInterpolantSequences, 9312/9504 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:15:07,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:15:09,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:15:09,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:15:09,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:15:09,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:15:09,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:15:09,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:15:09,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:15:09,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:15:09,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:15:09,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:15:09,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:15:09,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:15:09,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:15:09,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:15:09,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:15:09,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:15:09,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:15:09,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:15:09,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:15:09,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:15:09,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:15:09,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:15:09,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:15:09,585 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_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 [2024-12-02 12:15:09,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:15:09,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:15:09,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:15:09,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:15:09,838 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:15:09,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2024-12-02 12:15:12,511 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/d39dd1488/8dd4a33a1c604b31979696c1ef67e5ca/FLAGacecf5dc6 [2024-12-02 12:15:12,707 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:15:12,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2024-12-02 12:15:12,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/d39dd1488/8dd4a33a1c604b31979696c1ef67e5ca/FLAGacecf5dc6 [2024-12-02 12:15:12,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/data/d39dd1488/8dd4a33a1c604b31979696c1ef67e5ca [2024-12-02 12:15:12,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:15:12,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:15:12,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:15:12,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:15:12,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:15:12,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:12,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19463e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12, skipping insertion in model container [2024-12-02 12:15:12,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:12,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:15:12,859 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_03c245fe-b782-4adc-9d85-9a8904402543/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2024-12-02 12:15:12,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:15:12,924 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:15:12,934 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_03c245fe-b782-4adc-9d85-9a8904402543/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2024-12-02 12:15:12,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:15:12,986 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:15:12,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12 WrapperNode [2024-12-02 12:15:12,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:15:12,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:15:12,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:15:12,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:15:12,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,031 INFO L138 Inliner]: procedures = 37, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 442 [2024-12-02 12:15:13,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:15:13,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:15:13,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:15:13,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:15:13,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,064 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 24 writes are split as follows [0, 24]. [2024-12-02 12:15:13,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:15:13,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:15:13,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:15:13,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:15:13,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (1/1) ... [2024-12-02 12:15:13,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:15:13,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:15:13,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:15:13,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:15:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:15:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 12:15:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:15:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:15:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:15:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 12:15:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 12:15:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 12:15:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 12:15:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 12:15:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 12:15:13,283 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:15:13,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:15:14,098 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-12-02 12:15:14,098 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:15:14,108 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:15:14,108 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:15:14,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:14 BoogieIcfgContainer [2024-12-02 12:15:14,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:15:14,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:15:14,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:15:14,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:15:14,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:15:12" (1/3) ... [2024-12-02 12:15:14,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10301fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:15:14, skipping insertion in model container [2024-12-02 12:15:14,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:12" (2/3) ... [2024-12-02 12:15:14,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10301fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:15:14, skipping insertion in model container [2024-12-02 12:15:14,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:14" (3/3) ... [2024-12-02 12:15:14,116 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-18.i [2024-12-02 12:15:14,126 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:15:14,127 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-18.i that has 2 procedures, 92 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:15:14,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:15:14,179 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;@4e95670d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:15:14,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:15:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 12:15:14,191 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:14,191 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:14,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:14,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:14,196 INFO L85 PathProgramCache]: Analyzing trace with hash -40990956, now seen corresponding path program 1 times [2024-12-02 12:15:14,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:14,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428589998] [2024-12-02 12:15:14,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:14,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:14,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:14,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:14,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 12:15:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:14,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:15:14,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-02 12:15:14,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:14,551 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:14,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428589998] [2024-12-02 12:15:14,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428589998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:14,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:15:14,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005547141] [2024-12-02 12:15:14,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:14,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:15:14,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:14,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:15:14,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:15:14,580 INFO L87 Difference]: Start difference. First operand has 92 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:15:14,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:14,605 INFO L93 Difference]: Finished difference Result 177 states and 274 transitions. [2024-12-02 12:15:14,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:15:14,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2024-12-02 12:15:14,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:14,613 INFO L225 Difference]: With dead ends: 177 [2024-12-02 12:15:14,613 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 12:15:14,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:15:14,618 INFO L435 NwaCegarLoop]: 127 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, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:14,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:15:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 12:15:14,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-12-02 12:15:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 74 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2024-12-02 12:15:14,653 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 103 [2024-12-02 12:15:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:14,654 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2024-12-02 12:15:14,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:15:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2024-12-02 12:15:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 12:15:14,656 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:14,656 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:14,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 12:15:14,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:14,856 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:14,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:14,857 INFO L85 PathProgramCache]: Analyzing trace with hash 2006021056, now seen corresponding path program 1 times [2024-12-02 12:15:14,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:14,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407494631] [2024-12-02 12:15:14,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:14,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:14,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:14,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:14,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 12:15:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:15,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 12:15:15,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:15,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:15:15,272 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 80 treesize of output 44 [2024-12-02 12:15:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:15,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:15,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:15,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407494631] [2024-12-02 12:15:15,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407494631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:15,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:15,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:15,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709904586] [2024-12-02 12:15:15,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:15,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:15,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:15,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:15,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:15,314 INFO L87 Difference]: Start difference. First operand 88 states and 127 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:16,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:16,198 INFO L93 Difference]: Finished difference Result 206 states and 297 transitions. [2024-12-02 12:15:16,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:15:16,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-12-02 12:15:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:16,201 INFO L225 Difference]: With dead ends: 206 [2024-12-02 12:15:16,201 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 12:15:16,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:15:16,202 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 41 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:16,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 423 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:15:16,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 12:15:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 94. [2024-12-02 12:15:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2024-12-02 12:15:16,212 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 103 [2024-12-02 12:15:16,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:16,214 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2024-12-02 12:15:16,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-12-02 12:15:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 12:15:16,216 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:16,216 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:16,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 12:15:16,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:16,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:16,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash -631250749, now seen corresponding path program 1 times [2024-12-02 12:15:16,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:16,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959652954] [2024-12-02 12:15:16,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:16,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:16,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:16,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:16,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 12:15:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:16,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:15:16,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:16,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:16,816 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:16,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959652954] [2024-12-02 12:15:16,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959652954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:16,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:16,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:16,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236278522] [2024-12-02 12:15:16,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:16,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:16,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:16,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:16,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:16,818 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:18,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:18,113 INFO L93 Difference]: Finished difference Result 221 states and 318 transitions. [2024-12-02 12:15:18,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:15:18,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-12-02 12:15:18,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:18,115 INFO L225 Difference]: With dead ends: 221 [2024-12-02 12:15:18,115 INFO L226 Difference]: Without dead ends: 130 [2024-12-02 12:15:18,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:18,116 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 43 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:18,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 279 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 12:15:18,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-12-02 12:15:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 99. [2024-12-02 12:15:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.388235294117647) internal successors, (118), 85 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2024-12-02 12:15:18,121 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 142 transitions. Word has length 104 [2024-12-02 12:15:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:18,121 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 142 transitions. [2024-12-02 12:15:18,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2024-12-02 12:15:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 12:15:18,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:18,123 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:18,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 12:15:18,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:18,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:18,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1332315327, now seen corresponding path program 1 times [2024-12-02 12:15:18,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:18,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589797576] [2024-12-02 12:15:18,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:18,326 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:18,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 12:15:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:18,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 12:15:18,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:18,700 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 50 treesize of output 26 [2024-12-02 12:15:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:18,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:18,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589797576] [2024-12-02 12:15:18,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589797576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:18,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:18,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:15:18,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764084851] [2024-12-02 12:15:18,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:18,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:15:18,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:18,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:15:18,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:15:18,761 INFO L87 Difference]: Start difference. First operand 99 states and 142 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:20,338 INFO L93 Difference]: Finished difference Result 226 states and 324 transitions. [2024-12-02 12:15:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:15:20,338 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-12-02 12:15:20,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:20,340 INFO L225 Difference]: With dead ends: 226 [2024-12-02 12:15:20,340 INFO L226 Difference]: Without dead ends: 130 [2024-12-02 12:15:20,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:15:20,341 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 44 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:20,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 663 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 12:15:20,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-12-02 12:15:20,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 101. [2024-12-02 12:15:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.3793103448275863) internal successors, (120), 87 states have internal predecessors, (120), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2024-12-02 12:15:20,349 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 104 [2024-12-02 12:15:20,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:20,349 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2024-12-02 12:15:20,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-12-02 12:15:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 12:15:20,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:20,351 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:20,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 12:15:20,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:20,552 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:20,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1652319103, now seen corresponding path program 1 times [2024-12-02 12:15:20,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:20,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123992385] [2024-12-02 12:15:20,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:20,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:20,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:20,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:20,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 12:15:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:20,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 12:15:20,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:20,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:15:20,964 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 46 treesize of output 34 [2024-12-02 12:15:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:21,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:21,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123992385] [2024-12-02 12:15:21,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123992385] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:21,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:21,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:15:21,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968615337] [2024-12-02 12:15:21,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:21,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:15:21,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:21,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:15:21,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:15:21,029 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:22,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:22,750 INFO L93 Difference]: Finished difference Result 234 states and 334 transitions. [2024-12-02 12:15:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:15:22,751 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-12-02 12:15:22,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:22,752 INFO L225 Difference]: With dead ends: 234 [2024-12-02 12:15:22,752 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 12:15:22,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:15:22,754 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 54 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:22,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 549 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 12:15:22,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 12:15:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 103. [2024-12-02 12:15:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2024-12-02 12:15:22,762 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 104 [2024-12-02 12:15:22,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:22,762 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2024-12-02 12:15:22,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2024-12-02 12:15:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 12:15:22,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:22,764 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:22,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 12:15:22,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:22,964 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:22,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:22,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1941583615, now seen corresponding path program 1 times [2024-12-02 12:15:22,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:22,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84165896] [2024-12-02 12:15:22,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:22,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:22,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 12:15:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:23,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:15:23,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:23,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:23,257 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:23,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84165896] [2024-12-02 12:15:23,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84165896] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:23,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:23,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:23,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552993648] [2024-12-02 12:15:23,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:23,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:23,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:23,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:23,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:23,258 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:24,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:24,562 INFO L93 Difference]: Finished difference Result 240 states and 341 transitions. [2024-12-02 12:15:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:15:24,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-12-02 12:15:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:24,564 INFO L225 Difference]: With dead ends: 240 [2024-12-02 12:15:24,564 INFO L226 Difference]: Without dead ends: 140 [2024-12-02 12:15:24,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:15:24,565 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 46 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:24,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 378 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 12:15:24,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-12-02 12:15:24,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 105. [2024-12-02 12:15:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2024-12-02 12:15:24,574 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 104 [2024-12-02 12:15:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:24,575 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2024-12-02 12:15:24,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2024-12-02 12:15:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 12:15:24,577 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:24,577 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:24,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 12:15:24,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:24,777 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:24,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:24,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1371805074, now seen corresponding path program 1 times [2024-12-02 12:15:24,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:24,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245617825] [2024-12-02 12:15:24,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:24,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:24,780 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:24,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 12:15:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:24,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:15:24,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:25,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:25,021 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:25,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245617825] [2024-12-02 12:15:25,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245617825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:25,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:25,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:25,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520641891] [2024-12-02 12:15:25,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:25,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:25,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:25,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:25,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:25,023 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:25,057 INFO L93 Difference]: Finished difference Result 210 states and 297 transitions. [2024-12-02 12:15:25,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:15:25,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-12-02 12:15:25,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:25,058 INFO L225 Difference]: With dead ends: 210 [2024-12-02 12:15:25,058 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 12:15:25,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:25,059 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:25,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:15:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 12:15:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2024-12-02 12:15:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 149 transitions. [2024-12-02 12:15:25,065 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 149 transitions. Word has length 105 [2024-12-02 12:15:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:25,065 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 149 transitions. [2024-12-02 12:15:25,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2024-12-02 12:15:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 12:15:25,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:25,067 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:25,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 12:15:25,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:25,267 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:25,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:25,268 INFO L85 PathProgramCache]: Analyzing trace with hash -348891637, now seen corresponding path program 1 times [2024-12-02 12:15:25,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:25,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867085098] [2024-12-02 12:15:25,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:25,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:25,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:25,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:25,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 12:15:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:25,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:15:25,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:25,488 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:25,488 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:25,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867085098] [2024-12-02 12:15:25,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867085098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:25,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:25,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:25,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555148597] [2024-12-02 12:15:25,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:25,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:25,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:25,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:25,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:25,489 INFO L87 Difference]: Start difference. First operand 106 states and 149 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:25,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:25,528 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2024-12-02 12:15:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:15:25,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-12-02 12:15:25,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:25,530 INFO L225 Difference]: With dead ends: 212 [2024-12-02 12:15:25,530 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 12:15:25,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:25,531 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 480 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 [2024-12-02 12:15:25,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 480 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:15:25,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 12:15:25,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 12:15:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.3473684210526315) internal successors, (128), 95 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2024-12-02 12:15:25,537 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 105 [2024-12-02 12:15:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:25,538 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2024-12-02 12:15:25,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2024-12-02 12:15:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 12:15:25,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:25,539 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:25,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 12:15:25,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:25,741 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:25,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:25,743 INFO L85 PathProgramCache]: Analyzing trace with hash -382676098, now seen corresponding path program 1 times [2024-12-02 12:15:25,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:25,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662089330] [2024-12-02 12:15:25,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:25,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:25,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:25,750 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:25,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 12:15:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:26,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 12:15:26,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:26,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 12:15:26,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:26,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:26,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:27,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:27,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:27,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:15:27,836 INFO L349 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2024-12-02 12:15:27,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 41 [2024-12-02 12:15:27,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:15:27,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 38 [2024-12-02 12:15:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 12:15:27,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:15:28,145 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:28,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662089330] [2024-12-02 12:15:28,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662089330] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:15:28,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [362458987] [2024-12-02 12:15:28,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:28,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:15:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:15:28,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:15:28,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-02 12:15:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:29,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 12:15:29,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:29,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:15:29,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:29,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:29,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:30,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:30,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:30,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:30,855 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-12-02 12:15:30,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2024-12-02 12:15:30,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:15:30,937 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 22 [2024-12-02 12:15:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 12:15:30,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:15:30,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [362458987] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:15:30,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:15:30,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-12-02 12:15:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076744743] [2024-12-02 12:15:30,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:15:31,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 12:15:31,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:31,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 12:15:31,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:15:31,001 INFO L87 Difference]: Start difference. First operand 109 states and 152 transitions. Second operand has 17 states, 15 states have (on average 6.133333333333334) internal successors, (92), 16 states have internal predecessors, (92), 6 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 12:15:34,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:34,879 INFO L93 Difference]: Finished difference Result 324 states and 441 transitions. [2024-12-02 12:15:34,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 12:15:34,880 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.133333333333334) internal successors, (92), 16 states have internal predecessors, (92), 6 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) Word has length 106 [2024-12-02 12:15:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:34,881 INFO L225 Difference]: With dead ends: 324 [2024-12-02 12:15:34,881 INFO L226 Difference]: Without dead ends: 218 [2024-12-02 12:15:34,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2024-12-02 12:15:34,882 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 530 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:34,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 824 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-12-02 12:15:34,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-12-02 12:15:34,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 123. [2024-12-02 12:15:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2024-12-02 12:15:34,890 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 106 [2024-12-02 12:15:34,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:34,891 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2024-12-02 12:15:34,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.133333333333334) internal successors, (92), 16 states have internal predecessors, (92), 6 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 12:15:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2024-12-02 12:15:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 12:15:34,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:34,891 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:34,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-02 12:15:35,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 12:15:35,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:35,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:35,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:35,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1918146492, now seen corresponding path program 1 times [2024-12-02 12:15:35,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:35,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632006520] [2024-12-02 12:15:35,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:35,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:35,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:35,298 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:35,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 12:15:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:35,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 12:15:35,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:36,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:15:36,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-12-02 12:15:36,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:15:36,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 22 [2024-12-02 12:15:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:36,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:36,942 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:36,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632006520] [2024-12-02 12:15:36,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632006520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:36,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:36,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:15:36,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842086870] [2024-12-02 12:15:36,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:36,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:15:36,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:36,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:15:36,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:15:36,943 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:39,067 INFO L93 Difference]: Finished difference Result 286 states and 388 transitions. [2024-12-02 12:15:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:15:39,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2024-12-02 12:15:39,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:39,068 INFO L225 Difference]: With dead ends: 286 [2024-12-02 12:15:39,068 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 12:15:39,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:15:39,069 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 126 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:39,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 534 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 12:15:39,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 12:15:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2024-12-02 12:15:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions. [2024-12-02 12:15:39,077 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 106 [2024-12-02 12:15:39,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:39,077 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions. [2024-12-02 12:15:39,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions. [2024-12-02 12:15:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 12:15:39,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:39,078 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:39,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 12:15:39,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:39,280 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:39,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:39,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1217081914, now seen corresponding path program 1 times [2024-12-02 12:15:39,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:39,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852091581] [2024-12-02 12:15:39,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:39,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:39,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:39,289 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:39,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 12:15:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:39,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:15:39,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:39,585 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 36 treesize of output 20 [2024-12-02 12:15:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:15:39,609 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:15:39,609 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:39,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852091581] [2024-12-02 12:15:39,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852091581] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:15:39,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:15:39,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:15:39,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215401847] [2024-12-02 12:15:39,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:15:39,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:15:39,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:39,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:15:39,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:15:39,610 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:40,371 INFO L93 Difference]: Finished difference Result 257 states and 351 transitions. [2024-12-02 12:15:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:15:40,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2024-12-02 12:15:40,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:40,372 INFO L225 Difference]: With dead ends: 257 [2024-12-02 12:15:40,372 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 12:15:40,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:15:40,373 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:40,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 370 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:15:40,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 12:15:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 127. [2024-12-02 12:15:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:40,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions. [2024-12-02 12:15:40,385 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 106 [2024-12-02 12:15:40,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:40,385 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions. [2024-12-02 12:15:40,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:15:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions. [2024-12-02 12:15:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 12:15:40,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:40,386 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:40,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 12:15:40,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:40,586 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:40,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2122199513, now seen corresponding path program 1 times [2024-12-02 12:15:40,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:40,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883525089] [2024-12-02 12:15:40,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:40,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:40,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:40,589 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:40,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 12:15:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:40,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 12:15:40,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:40,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 12:15:41,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:41,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:41,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 12:15:41,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:15:41,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:15:42,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 12:15:42,247 INFO L349 Elim1Store]: treesize reduction 42, result has 44.7 percent of original size [2024-12-02 12:15:42,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 56 [2024-12-02 12:15:42,367 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:15:42,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2024-12-02 12:15:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 89 proven. 107 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 12:15:42,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:15:42,588 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883525089] [2024-12-02 12:15:42,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883525089] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:15:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1256584863] [2024-12-02 12:15:42,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:42,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:15:42,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:15:42,590 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:15:42,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-02 12:15:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:43,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 12:15:43,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:43,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:15:44,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:15:44,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:15:44,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:15:44,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 12:15:45,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 12:15:45,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 12:15:46,214 INFO L349 Elim1Store]: treesize reduction 56, result has 44.6 percent of original size [2024-12-02 12:15:46,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 71 [2024-12-02 12:15:46,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:15:46,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 70 [2024-12-02 12:15:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 105 proven. 107 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:15:46,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:15:46,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1256584863] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:15:46,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:15:46,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 20 [2024-12-02 12:15:46,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661102890] [2024-12-02 12:15:46,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:15:46,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 12:15:46,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:15:46,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 12:15:46,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:15:46,516 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand has 21 states, 19 states have (on average 5.421052631578948) internal successors, (103), 20 states have internal predecessors, (103), 9 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 7 states have call predecessors, (24), 9 states have call successors, (24) [2024-12-02 12:15:52,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:15:52,758 INFO L93 Difference]: Finished difference Result 356 states and 476 transitions. [2024-12-02 12:15:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 12:15:52,758 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.421052631578948) internal successors, (103), 20 states have internal predecessors, (103), 9 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 7 states have call predecessors, (24), 9 states have call successors, (24) Word has length 107 [2024-12-02 12:15:52,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:15:52,760 INFO L225 Difference]: With dead ends: 356 [2024-12-02 12:15:52,760 INFO L226 Difference]: Without dead ends: 232 [2024-12-02 12:15:52,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 239 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 12:15:52,760 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 546 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:15:52,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 1020 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 12:15:52,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-12-02 12:15:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 137. [2024-12-02 12:15:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 119 states have (on average 1.319327731092437) internal successors, (157), 119 states have internal predecessors, (157), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:15:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 181 transitions. [2024-12-02 12:15:52,770 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 181 transitions. Word has length 107 [2024-12-02 12:15:52,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:15:52,770 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 181 transitions. [2024-12-02 12:15:52,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.421052631578948) internal successors, (103), 20 states have internal predecessors, (103), 9 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 7 states have call predecessors, (24), 9 states have call successors, (24) [2024-12-02 12:15:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2024-12-02 12:15:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 12:15:52,771 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:15:52,771 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:15:52,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 12:15:52,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-02 12:15:53,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:15:53,171 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:15:53,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:15:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1246667971, now seen corresponding path program 1 times [2024-12-02 12:15:53,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:15:53,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581616137] [2024-12-02 12:15:53,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:53,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:15:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:15:53,174 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:15:53,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 12:15:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:53,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 12:15:53,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:53,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 12:15:54,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 12:15:54,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 12:15:54,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 12:15:54,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 12:15:55,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 12:15:55,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-12-02 12:15:56,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-12-02 12:15:56,165 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-12-02 12:15:56,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 51 [2024-12-02 12:15:56,280 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-12-02 12:15:56,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 45 [2024-12-02 12:15:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 65 proven. 107 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-02 12:15:56,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:15:56,560 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:15:56,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581616137] [2024-12-02 12:15:56,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581616137] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:15:56,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [782640562] [2024-12-02 12:15:56,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:15:56,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:15:56,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:15:56,562 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:15:56,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-02 12:15:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:15:57,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 12:15:57,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:15:57,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 12:15:58,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 12:15:58,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-12-02 12:15:59,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-12-02 12:15:59,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-12-02 12:16:00,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-12-02 12:16:00,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-12-02 12:16:01,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-12-02 12:16:01,774 INFO L349 Elim1Store]: treesize reduction 60, result has 40.6 percent of original size [2024-12-02 12:16:01,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 66 [2024-12-02 12:16:01,984 INFO L349 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2024-12-02 12:16:01,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 61 [2024-12-02 12:16:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 121 proven. 107 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 12:16:02,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:16:02,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [782640562] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:16:02,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:16:02,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2024-12-02 12:16:02,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344768788] [2024-12-02 12:16:02,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:16:02,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 12:16:02,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:16:02,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 12:16:02,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:16:02,330 INFO L87 Difference]: Start difference. First operand 137 states and 181 transitions. Second operand has 25 states, 23 states have (on average 4.608695652173913) internal successors, (106), 22 states have internal predecessors, (106), 10 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 8 states have call predecessors, (24), 10 states have call successors, (24) [2024-12-02 12:16:11,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 12:16:13,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:13,830 INFO L93 Difference]: Finished difference Result 360 states and 471 transitions. [2024-12-02 12:16:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 12:16:13,831 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 4.608695652173913) internal successors, (106), 22 states have internal predecessors, (106), 10 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 8 states have call predecessors, (24), 10 states have call successors, (24) Word has length 107 [2024-12-02 12:16:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:13,832 INFO L225 Difference]: With dead ends: 360 [2024-12-02 12:16:13,832 INFO L226 Difference]: Without dead ends: 226 [2024-12-02 12:16:13,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 233 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=461, Invalid=1609, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 12:16:13,834 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 868 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:16:13,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 767 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-12-02 12:16:13,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-12-02 12:16:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 143. [2024-12-02 12:16:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 124 states have internal predecessors, (162), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:16:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 186 transitions. [2024-12-02 12:16:13,857 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 186 transitions. Word has length 107 [2024-12-02 12:16:13,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:13,857 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 186 transitions. [2024-12-02 12:16:13,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 4.608695652173913) internal successors, (106), 22 states have internal predecessors, (106), 10 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 8 states have call predecessors, (24), 10 states have call successors, (24) [2024-12-02 12:16:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 186 transitions. [2024-12-02 12:16:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:16:13,858 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:13,858 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:16:13,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 12:16:14,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-02 12:16:14,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:16:14,259 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:14,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:14,259 INFO L85 PathProgramCache]: Analyzing trace with hash -770230684, now seen corresponding path program 1 times [2024-12-02 12:16:14,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:16:14,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139439424] [2024-12-02 12:16:14,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:14,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:14,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:16:14,261 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:16:14,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 12:16:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:14,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 12:16:14,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:15,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2024-12-02 12:16:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:16:16,079 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:16:16,079 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:16:16,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139439424] [2024-12-02 12:16:16,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139439424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:16:16,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:16:16,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:16:16,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266251693] [2024-12-02 12:16:16,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:16:16,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:16:16,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:16:16,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:16:16,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:16:16,080 INFO L87 Difference]: Start difference. First operand 143 states and 186 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:18,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:18,144 INFO L93 Difference]: Finished difference Result 316 states and 411 transitions. [2024-12-02 12:16:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:16:18,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-12-02 12:16:18,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:18,147 INFO L225 Difference]: With dead ends: 316 [2024-12-02 12:16:18,147 INFO L226 Difference]: Without dead ends: 176 [2024-12-02 12:16:18,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:16:18,148 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 112 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:16:18,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 329 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 12:16:18,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-12-02 12:16:18,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 137. [2024-12-02 12:16:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.2966101694915255) internal successors, (153), 118 states have internal predecessors, (153), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:16:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2024-12-02 12:16:18,164 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 177 transitions. Word has length 108 [2024-12-02 12:16:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:18,164 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 177 transitions. [2024-12-02 12:16:18,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 177 transitions. [2024-12-02 12:16:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:16:18,165 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:18,165 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:16:18,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 12:16:18,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:18,366 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:18,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash -26784104, now seen corresponding path program 1 times [2024-12-02 12:16:18,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:16:18,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771665271] [2024-12-02 12:16:18,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:18,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:16:18,368 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:16:18,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 12:16:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:18,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:16:18,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:18,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:16:18,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 41 [2024-12-02 12:16:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:16:18,734 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:16:18,734 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:16:18,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771665271] [2024-12-02 12:16:18,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771665271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:16:18,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:16:18,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:16:18,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850822326] [2024-12-02 12:16:18,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:16:18,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:16:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:16:18,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:16:18,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:16:18,736 INFO L87 Difference]: Start difference. First operand 137 states and 177 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:19,735 INFO L93 Difference]: Finished difference Result 303 states and 391 transitions. [2024-12-02 12:16:19,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:16:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-12-02 12:16:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:19,737 INFO L225 Difference]: With dead ends: 303 [2024-12-02 12:16:19,737 INFO L226 Difference]: Without dead ends: 169 [2024-12-02 12:16:19,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:16:19,737 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 36 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:16:19,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 397 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:16:19,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-12-02 12:16:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 142. [2024-12-02 12:16:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 123 states have (on average 1.2845528455284554) internal successors, (158), 123 states have internal predecessors, (158), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:16:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 182 transitions. [2024-12-02 12:16:19,754 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 182 transitions. Word has length 108 [2024-12-02 12:16:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:19,755 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 182 transitions. [2024-12-02 12:16:19,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2024-12-02 12:16:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:16:19,755 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:19,755 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:16:19,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 12:16:19,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:19,956 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:19,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:19,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1108255226, now seen corresponding path program 1 times [2024-12-02 12:16:19,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:16:19,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971229201] [2024-12-02 12:16:19,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:19,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:19,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:16:19,958 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:16:19,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 12:16:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:20,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 12:16:20,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:20,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:16:20,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:16:21,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:16:21,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:16:21,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 12:16:22,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 12:16:23,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-12-02 12:16:23,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-12-02 12:16:24,006 INFO L349 Elim1Store]: treesize reduction 56, result has 44.6 percent of original size [2024-12-02 12:16:24,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 71 [2024-12-02 12:16:24,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:16:24,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 70 [2024-12-02 12:16:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 121 proven. 107 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 12:16:24,385 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:16:24,698 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:16:24,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971229201] [2024-12-02 12:16:24,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971229201] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:16:24,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1117085121] [2024-12-02 12:16:24,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:16:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:16:24,700 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:16:24,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-02 12:16:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:25,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 12:16:25,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:26,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:16:26,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:16:27,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:16:27,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:16:28,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 12:16:28,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 12:16:29,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 12:16:30,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-12-02 12:16:30,558 INFO L349 Elim1Store]: treesize reduction 56, result has 44.6 percent of original size [2024-12-02 12:16:30,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 71 [2024-12-02 12:16:30,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:16:30,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 70 [2024-12-02 12:16:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 105 proven. 107 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:16:31,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:16:31,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1117085121] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:16:31,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:16:31,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2024-12-02 12:16:31,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512415033] [2024-12-02 12:16:31,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:16:31,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 12:16:31,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:16:31,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 12:16:31,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2024-12-02 12:16:31,189 INFO L87 Difference]: Start difference. First operand 142 states and 182 transitions. Second operand has 25 states, 23 states have (on average 4.826086956521739) internal successors, (111), 24 states have internal predecessors, (111), 11 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 9 states have call predecessors, (24), 11 states have call successors, (24) [2024-12-02 12:16:40,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:40,872 INFO L93 Difference]: Finished difference Result 351 states and 448 transitions. [2024-12-02 12:16:40,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 12:16:40,873 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 4.826086956521739) internal successors, (111), 24 states have internal predecessors, (111), 11 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 9 states have call predecessors, (24), 11 states have call successors, (24) Word has length 108 [2024-12-02 12:16:40,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:40,874 INFO L225 Difference]: With dead ends: 351 [2024-12-02 12:16:40,874 INFO L226 Difference]: Without dead ends: 212 [2024-12-02 12:16:40,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 237 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=467, Invalid=1885, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 12:16:40,875 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 583 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:16:40,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 959 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-12-02 12:16:40,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-12-02 12:16:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 136. [2024-12-02 12:16:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.2735042735042734) internal successors, (149), 117 states have internal predecessors, (149), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:16:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 173 transitions. [2024-12-02 12:16:40,896 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 173 transitions. Word has length 108 [2024-12-02 12:16:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:40,896 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 173 transitions. [2024-12-02 12:16:40,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 4.826086956521739) internal successors, (111), 24 states have internal predecessors, (111), 11 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 9 states have call predecessors, (24), 11 states have call successors, (24) [2024-12-02 12:16:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 173 transitions. [2024-12-02 12:16:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 12:16:40,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:40,898 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:16:40,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-12-02 12:16:41,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-02 12:16:41,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:16:41,299 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:41,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1666749359, now seen corresponding path program 1 times [2024-12-02 12:16:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:16:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633977749] [2024-12-02 12:16:41,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:41,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:16:41,301 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:16:41,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 12:16:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:41,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:16:41,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:41,581 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 36 treesize of output 20 [2024-12-02 12:16:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:16:41,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:16:41,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:16:41,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633977749] [2024-12-02 12:16:41,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633977749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:16:41,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:16:41,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:16:41,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636985561] [2024-12-02 12:16:41,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:16:41,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:16:41,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:16:41,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:16:41,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:16:41,604 INFO L87 Difference]: Start difference. First operand 136 states and 173 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:42,523 INFO L93 Difference]: Finished difference Result 269 states and 343 transitions. [2024-12-02 12:16:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:16:42,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-12-02 12:16:42,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:42,525 INFO L225 Difference]: With dead ends: 269 [2024-12-02 12:16:42,525 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 12:16:42,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:16:42,526 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:16:42,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 375 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:16:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 12:16:42,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-12-02 12:16:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.264957264957265) internal successors, (148), 117 states have internal predecessors, (148), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:16:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 172 transitions. [2024-12-02 12:16:42,556 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 172 transitions. Word has length 109 [2024-12-02 12:16:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:42,556 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 172 transitions. [2024-12-02 12:16:42,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2024-12-02 12:16:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 12:16:42,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:42,558 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:16:42,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 12:16:42,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:42,758 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:42,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:42,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1302058061, now seen corresponding path program 1 times [2024-12-02 12:16:42,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:16:42,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955187451] [2024-12-02 12:16:42,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:42,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:16:42,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:16:42,762 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:16:42,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-12-02 12:16:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:43,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:16:43,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:44,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:16:44,707 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 59 treesize of output 47 [2024-12-02 12:16:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:16:45,769 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:16:45,769 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:16:45,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955187451] [2024-12-02 12:16:45,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955187451] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:16:45,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:16:45,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:16:45,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427458308] [2024-12-02 12:16:45,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:16:45,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:16:45,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:16:45,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:16:45,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:16:45,770 INFO L87 Difference]: Start difference. First operand 136 states and 172 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:16:51,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 12:17:02,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 12:17:03,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 12:17:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:04,600 INFO L93 Difference]: Finished difference Result 300 states and 380 transitions. [2024-12-02 12:17:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:17:04,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-12-02 12:17:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:04,602 INFO L225 Difference]: With dead ends: 300 [2024-12-02 12:17:04,602 INFO L226 Difference]: Without dead ends: 167 [2024-12-02 12:17:04,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:17:04,603 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 46 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:04,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 525 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 323 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2024-12-02 12:17:04,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-12-02 12:17:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 130. [2024-12-02 12:17:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 111 states have (on average 1.2612612612612613) internal successors, (140), 111 states have internal predecessors, (140), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:17:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 164 transitions. [2024-12-02 12:17:04,620 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 164 transitions. Word has length 109 [2024-12-02 12:17:04,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:04,620 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 164 transitions. [2024-12-02 12:17:04,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:17:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 164 transitions. [2024-12-02 12:17:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 12:17:04,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:04,621 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:17:04,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-12-02 12:17:04,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:17:04,821 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:04,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:04,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1655308748, now seen corresponding path program 1 times [2024-12-02 12:17:04,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:17:04,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867974003] [2024-12-02 12:17:04,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:04,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:17:04,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:17:04,824 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:17:04,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-12-02 12:17:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:05,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 12:17:05,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:17:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:05,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 40 [2024-12-02 12:17:05,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-12-02 12:17:05,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:17:06,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 12:17:06,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 12:17:07,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 12:17:07,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-12-02 12:17:08,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-12-02 12:17:09,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:17:09,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 46 [2024-12-02 12:17:09,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:17:09,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 29 [2024-12-02 12:17:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 110 proven. 116 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 12:17:09,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:17:10,181 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:17:10,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867974003] [2024-12-02 12:17:10,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867974003] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:17:10,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [846793357] [2024-12-02 12:17:10,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:10,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:17:10,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:17:10,183 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:17:10,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-02 12:17:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:11,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-02 12:17:11,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:17:11,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 7 [2024-12-02 12:17:11,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:17:12,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 12:17:13,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 12:17:13,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-12-02 12:17:14,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-12-02 12:17:15,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2024-12-02 12:17:16,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 57 [2024-12-02 12:17:17,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2024-12-02 12:17:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 126 proven. 116 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 12:17:17,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:17:17,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [846793357] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:17:17,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:17:17,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2024-12-02 12:17:17,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448474826] [2024-12-02 12:17:17,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:17:17,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-02 12:17:17,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:17:17,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-02 12:17:17,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1283, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 12:17:17,330 INFO L87 Difference]: Start difference. First operand 130 states and 164 transitions. Second operand has 34 states, 30 states have (on average 4.3) internal successors, (129), 31 states have internal predecessors, (129), 13 states have call successors, (24), 11 states have call predecessors, (24), 13 states have return successors, (24), 11 states have call predecessors, (24), 13 states have call successors, (24) [2024-12-02 12:17:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:32,991 INFO L93 Difference]: Finished difference Result 535 states and 662 transitions. [2024-12-02 12:17:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-02 12:17:32,993 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 4.3) internal successors, (129), 31 states have internal predecessors, (129), 13 states have call successors, (24), 11 states have call predecessors, (24), 13 states have return successors, (24), 11 states have call predecessors, (24), 13 states have call successors, (24) Word has length 110 [2024-12-02 12:17:32,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:32,995 INFO L225 Difference]: With dead ends: 535 [2024-12-02 12:17:32,995 INFO L226 Difference]: Without dead ends: 408 [2024-12-02 12:17:32,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2245 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=1258, Invalid=6052, Unknown=0, NotChecked=0, Total=7310 [2024-12-02 12:17:32,998 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 659 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:32,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1145 Invalid, 2254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-12-02 12:17:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-12-02 12:17:33,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 249. [2024-12-02 12:17:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 210 states have (on average 1.223809523809524) internal successors, (257), 210 states have internal predecessors, (257), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:17:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 305 transitions. [2024-12-02 12:17:33,067 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 305 transitions. Word has length 110 [2024-12-02 12:17:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:33,067 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 305 transitions. [2024-12-02 12:17:33,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 4.3) internal successors, (129), 31 states have internal predecessors, (129), 13 states have call successors, (24), 11 states have call predecessors, (24), 13 states have return successors, (24), 11 states have call predecessors, (24), 13 states have call successors, (24) [2024-12-02 12:17:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 305 transitions. [2024-12-02 12:17:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 12:17:33,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:33,068 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:17:33,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-12-02 12:17:33,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-02 12:17:33,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:17:33,469 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:33,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:33,469 INFO L85 PathProgramCache]: Analyzing trace with hash -169195126, now seen corresponding path program 1 times [2024-12-02 12:17:33,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:17:33,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872815359] [2024-12-02 12:17:33,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:33,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:17:33,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:17:33,472 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:17:33,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-12-02 12:17:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:33,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 12:17:33,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:17:33,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 12:17:34,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 12:17:34,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 12:17:34,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 12:17:35,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-12-02 12:17:35,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-12-02 12:17:36,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2024-12-02 12:17:36,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 65 [2024-12-02 12:17:37,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:17:37,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 47 [2024-12-02 12:17:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 80 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 12:17:37,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:17:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:17:38,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:17:38,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872815359] [2024-12-02 12:17:38,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1872815359] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:17:38,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:17:38,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-12-02 12:17:38,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285658567] [2024-12-02 12:17:38,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:17:38,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:17:38,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:17:38,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:17:38,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:17:38,106 INFO L87 Difference]: Start difference. First operand 249 states and 305 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:17:39,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:39,354 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2024-12-02 12:17:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:17:39,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-12-02 12:17:39,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:39,357 INFO L225 Difference]: With dead ends: 292 [2024-12-02 12:17:39,357 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 12:17:39,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:17:39,358 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 30 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:39,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 563 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:17:39,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 12:17:39,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 276. [2024-12-02 12:17:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 237 states have (on average 1.2236286919831223) internal successors, (290), 237 states have internal predecessors, (290), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:17:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 338 transitions. [2024-12-02 12:17:39,410 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 338 transitions. Word has length 110 [2024-12-02 12:17:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:39,410 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 338 transitions. [2024-12-02 12:17:39,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:17:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 338 transitions. [2024-12-02 12:17:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 12:17:39,411 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:39,411 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:17:39,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 12:17:39,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:17:39,612 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:39,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:39,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1081985965, now seen corresponding path program 1 times [2024-12-02 12:17:39,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:17:39,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607412599] [2024-12-02 12:17:39,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:39,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:17:39,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:17:39,614 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:17:39,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-12-02 12:17:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:39,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 12:17:39,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:17:40,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:17:40,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:17:41,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:17:41,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:17:41,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:17:42,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:17:42,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 12:17:43,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 12:17:43,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:17:43,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 54 [2024-12-02 12:17:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 41 proven. 107 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 12:17:43,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:17:44,167 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:17:44,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607412599] [2024-12-02 12:17:44,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607412599] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:17:44,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [983204107] [2024-12-02 12:17:44,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:44,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:17:44,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:17:44,169 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:17:44,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-02 12:17:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:45,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 12:17:45,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:17:45,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:17:45,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:17:45,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2024-12-02 12:17:47,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2024-12-02 12:17:48,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2024-12-02 12:17:48,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2024-12-02 12:17:49,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2024-12-02 12:17:51,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2024-12-02 12:17:52,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2024-12-02 12:17:53,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2024-12-02 12:17:53,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2024-12-02 12:17:53,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 37 [2024-12-02 12:17:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 47 proven. 165 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:17:54,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:18:12,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [983204107] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:18:12,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:18:12,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 23 [2024-12-02 12:18:12,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195251695] [2024-12-02 12:18:12,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:18:12,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 12:18:12,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:18:12,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 12:18:12,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=835, Unknown=3, NotChecked=0, Total=992 [2024-12-02 12:18:12,289 INFO L87 Difference]: Start difference. First operand 276 states and 338 transitions. Second operand has 24 states, 22 states have (on average 5.2727272727272725) internal successors, (116), 22 states have internal predecessors, (116), 9 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 7 states have call predecessors, (24), 9 states have call successors, (24) [2024-12-02 12:18:31,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:31,625 INFO L93 Difference]: Finished difference Result 669 states and 816 transitions. [2024-12-02 12:18:31,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-02 12:18:31,626 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 5.2727272727272725) internal successors, (116), 22 states have internal predecessors, (116), 9 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 7 states have call predecessors, (24), 9 states have call successors, (24) Word has length 110 [2024-12-02 12:18:31,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:31,627 INFO L225 Difference]: With dead ends: 669 [2024-12-02 12:18:31,627 INFO L226 Difference]: Without dead ends: 515 [2024-12-02 12:18:31,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 29.0s TimeCoverageRelationStatistics Valid=871, Invalid=3956, Unknown=3, NotChecked=0, Total=4830 [2024-12-02 12:18:31,628 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 801 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:31,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 841 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2024-12-02 12:18:31,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-12-02 12:18:31,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 366. [2024-12-02 12:18:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 307 states have (on average 1.205211726384365) internal successors, (370), 307 states have internal predecessors, (370), 36 states have call successors, (36), 22 states have call predecessors, (36), 22 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:18:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 442 transitions. [2024-12-02 12:18:31,695 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 442 transitions. Word has length 110 [2024-12-02 12:18:31,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:31,695 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 442 transitions. [2024-12-02 12:18:31,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 5.2727272727272725) internal successors, (116), 22 states have internal predecessors, (116), 9 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 7 states have call predecessors, (24), 9 states have call successors, (24) [2024-12-02 12:18:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 442 transitions. [2024-12-02 12:18:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:18:31,696 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:31,696 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:18:31,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-12-02 12:18:31,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-02 12:18:32,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:18:32,096 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:32,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1746047499, now seen corresponding path program 1 times [2024-12-02 12:18:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:18:32,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962364934] [2024-12-02 12:18:32,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:32,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:32,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:18:32,098 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:18:32,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-12-02 12:18:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:32,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 12:18:32,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:18:35,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-12-02 12:18:35,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2024-12-02 12:18:35,888 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:18:35,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 30 [2024-12-02 12:18:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:18:36,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:18:36,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:18:36,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962364934] [2024-12-02 12:18:36,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962364934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:36,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:36,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:18:36,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275062185] [2024-12-02 12:18:36,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:36,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:18:36,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:18:36,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:18:36,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:18:36,045 INFO L87 Difference]: Start difference. First operand 366 states and 442 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:18:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:38,635 INFO L93 Difference]: Finished difference Result 641 states and 788 transitions. [2024-12-02 12:18:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:18:38,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-12-02 12:18:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:38,636 INFO L225 Difference]: With dead ends: 641 [2024-12-02 12:18:38,637 INFO L226 Difference]: Without dead ends: 470 [2024-12-02 12:18:38,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:18:38,638 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 183 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:38,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 563 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 12:18:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-12-02 12:18:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 424. [2024-12-02 12:18:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 365 states have (on average 1.2136986301369863) internal successors, (443), 365 states have internal predecessors, (443), 36 states have call successors, (36), 22 states have call predecessors, (36), 22 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:18:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 515 transitions. [2024-12-02 12:18:38,718 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 515 transitions. Word has length 111 [2024-12-02 12:18:38,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:38,719 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 515 transitions. [2024-12-02 12:18:38,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:18:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 515 transitions. [2024-12-02 12:18:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 12:18:38,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:38,720 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:18:38,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-12-02 12:18:38,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:38,920 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:38,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:38,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1088841680, now seen corresponding path program 1 times [2024-12-02 12:18:38,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:18:38,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690422882] [2024-12-02 12:18:38,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:38,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:38,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:18:38,923 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:18:38,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 12:18:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:39,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 12:18:39,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:18:40,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:18:40,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 76 [2024-12-02 12:18:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:18:40,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:18:40,855 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:18:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690422882] [2024-12-02 12:18:40,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690422882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:40,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:40,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:18:40,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573600821] [2024-12-02 12:18:40,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:40,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:18:40,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:18:40,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:18:40,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:18:40,856 INFO L87 Difference]: Start difference. First operand 424 states and 515 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:18:45,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:45,374 INFO L93 Difference]: Finished difference Result 783 states and 956 transitions. [2024-12-02 12:18:45,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:18:45,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2024-12-02 12:18:45,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:45,376 INFO L225 Difference]: With dead ends: 783 [2024-12-02 12:18:45,376 INFO L226 Difference]: Without dead ends: 452 [2024-12-02 12:18:45,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:18:45,376 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 28 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:45,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 404 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 12:18:45,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-12-02 12:18:45,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 439. [2024-12-02 12:18:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 380 states have (on average 1.2131578947368422) internal successors, (461), 380 states have internal predecessors, (461), 36 states have call successors, (36), 22 states have call predecessors, (36), 22 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:18:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 533 transitions. [2024-12-02 12:18:45,439 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 533 transitions. Word has length 112 [2024-12-02 12:18:45,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:45,439 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 533 transitions. [2024-12-02 12:18:45,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:18:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 533 transitions. [2024-12-02 12:18:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:18:45,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:45,440 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:18:45,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 12:18:45,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:45,640 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:45,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:45,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2137571101, now seen corresponding path program 1 times [2024-12-02 12:18:45,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:18:45,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436505888] [2024-12-02 12:18:45,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:45,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:45,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:18:45,643 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:18:45,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-12-02 12:18:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:45,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 12:18:45,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:18:46,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:18:46,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:18:46,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:18:47,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:18:47,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 12:18:48,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 12:18:48,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 12:18:49,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 39 [2024-12-02 12:18:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 112 proven. 80 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 12:18:50,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:18:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:18:51,139 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:18:51,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436505888] [2024-12-02 12:18:51,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436505888] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:18:51,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:18:51,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-12-02 12:18:51,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659933531] [2024-12-02 12:18:51,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:51,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:18:51,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:18:51,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:18:51,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:18:51,140 INFO L87 Difference]: Start difference. First operand 439 states and 533 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:18:52,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:52,706 INFO L93 Difference]: Finished difference Result 468 states and 567 transitions. [2024-12-02 12:18:52,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:18:52,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2024-12-02 12:18:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:52,711 INFO L225 Difference]: With dead ends: 468 [2024-12-02 12:18:52,711 INFO L226 Difference]: Without dead ends: 466 [2024-12-02 12:18:52,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:18:52,712 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 27 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:52,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 642 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 12:18:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-12-02 12:18:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 447. [2024-12-02 12:18:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 388 states have (on average 1.2139175257731958) internal successors, (471), 388 states have internal predecessors, (471), 36 states have call successors, (36), 22 states have call predecessors, (36), 22 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:18:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 543 transitions. [2024-12-02 12:18:52,780 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 543 transitions. Word has length 113 [2024-12-02 12:18:52,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:52,780 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 543 transitions. [2024-12-02 12:18:52,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:18:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 543 transitions. [2024-12-02 12:18:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:18:52,781 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:52,781 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:18:52,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-12-02 12:18:52,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:52,981 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:52,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:52,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1043242202, now seen corresponding path program 1 times [2024-12-02 12:18:52,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:18:52,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123431982] [2024-12-02 12:18:52,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:52,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:18:52,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:18:52,983 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:18:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 12:18:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:53,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 12:18:53,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:18:56,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-12-02 12:18:56,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2024-12-02 12:18:56,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:18:56,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 12:18:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:18:57,140 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:18:57,140 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:18:57,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123431982] [2024-12-02 12:18:57,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123431982] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:57,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:57,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:18:57,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139809197] [2024-12-02 12:18:57,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:57,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:18:57,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:18:57,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:18:57,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:18:57,141 INFO L87 Difference]: Start difference. First operand 447 states and 543 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:19:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:01,291 INFO L93 Difference]: Finished difference Result 730 states and 900 transitions. [2024-12-02 12:19:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:19:01,292 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2024-12-02 12:19:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:01,293 INFO L225 Difference]: With dead ends: 730 [2024-12-02 12:19:01,293 INFO L226 Difference]: Without dead ends: 500 [2024-12-02 12:19:01,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:19:01,294 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 132 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:01,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 739 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 12:19:01,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-12-02 12:19:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 451. [2024-12-02 12:19:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 392 states have (on average 1.2168367346938775) internal successors, (477), 392 states have internal predecessors, (477), 36 states have call successors, (36), 22 states have call predecessors, (36), 22 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:19:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 549 transitions. [2024-12-02 12:19:01,363 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 549 transitions. Word has length 113 [2024-12-02 12:19:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:01,363 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 549 transitions. [2024-12-02 12:19:01,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 12:19:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 549 transitions. [2024-12-02 12:19:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:19:01,364 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:01,364 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:19:01,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-12-02 12:19:01,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:19:01,565 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:01,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1436269212, now seen corresponding path program 1 times [2024-12-02 12:19:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:19:01,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520632999] [2024-12-02 12:19:01,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:01,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:19:01,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:19:01,567 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:19:01,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-12-02 12:19:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:01,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 12:19:01,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:19:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:19:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:19:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:19:01,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 12:19:02,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2024-12-02 12:19:04,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2024-12-02 12:19:06,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2024-12-02 12:19:07,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2024-12-02 12:19:08,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2024-12-02 12:19:09,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 59 [2024-12-02 12:19:11,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 55 [2024-12-02 12:19:12,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:19:12,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 40 [2024-12-02 12:19:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 48 proven. 183 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 12:19:12,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:19:13,196 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:19:13,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520632999] [2024-12-02 12:19:13,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520632999] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:19:13,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1552932248] [2024-12-02 12:19:13,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:13,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:19:13,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:19:13,199 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:19:13,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-02 12:19:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:14,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-02 12:19:14,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:19:15,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:19:16,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 12:19:20,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 34 [2024-12-02 12:19:22,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 34 [2024-12-02 12:19:23,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 34 [2024-12-02 12:19:24,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 34 [2024-12-02 12:19:26,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 34 [2024-12-02 12:19:28,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2024-12-02 12:19:29,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2024-12-02 12:19:31,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 36 [2024-12-02 12:19:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 63 proven. 137 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 12:19:31,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:22:58,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1552932248] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:22:58,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:22:58,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 41 [2024-12-02 12:22:58,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870390985] [2024-12-02 12:22:58,390 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:22:58,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-12-02 12:22:58,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:58,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-12-02 12:22:58,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2387, Unknown=12, NotChecked=0, Total=2652 [2024-12-02 12:22:58,392 INFO L87 Difference]: Start difference. First operand 451 states and 549 transitions. Second operand has 42 states, 36 states have (on average 3.75) internal successors, (135), 37 states have internal predecessors, (135), 13 states have call successors, (24), 12 states have call predecessors, (24), 13 states have return successors, (24), 9 states have call predecessors, (24), 13 states have call successors, (24) [2024-12-02 12:23:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:32,270 INFO L93 Difference]: Finished difference Result 798 states and 970 transitions. [2024-12-02 12:23:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-02 12:23:32,271 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 36 states have (on average 3.75) internal successors, (135), 37 states have internal predecessors, (135), 13 states have call successors, (24), 12 states have call predecessors, (24), 13 states have return successors, (24), 9 states have call predecessors, (24), 13 states have call successors, (24) Word has length 113 [2024-12-02 12:23:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:32,273 INFO L225 Difference]: With dead ends: 798 [2024-12-02 12:23:32,273 INFO L226 Difference]: Without dead ends: 547 [2024-12-02 12:23:32,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 235 SyntacticMatches, 3 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2532 ImplicationChecksByTransitivity, 228.7s TimeCoverageRelationStatistics Valid=976, Invalid=7568, Unknown=12, NotChecked=0, Total=8556 [2024-12-02 12:23:32,275 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 506 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:32,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1569 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 20.0s Time] [2024-12-02 12:23:32,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-12-02 12:23:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 438. [2024-12-02 12:23:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 377 states have (on average 1.1962864721485411) internal successors, (451), 377 states have internal predecessors, (451), 36 states have call successors, (36), 24 states have call predecessors, (36), 24 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:23:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 523 transitions. [2024-12-02 12:23:32,372 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 523 transitions. Word has length 113 [2024-12-02 12:23:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:32,372 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 523 transitions. [2024-12-02 12:23:32,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 36 states have (on average 3.75) internal successors, (135), 37 states have internal predecessors, (135), 13 states have call successors, (24), 12 states have call predecessors, (24), 13 states have return successors, (24), 9 states have call predecessors, (24), 13 states have call successors, (24) [2024-12-02 12:23:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 523 transitions. [2024-12-02 12:23:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:23:32,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:32,373 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:23:32,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2024-12-02 12:23:32,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-02 12:23:32,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:23:32,774 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:32,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:32,774 INFO L85 PathProgramCache]: Analyzing trace with hash 38707952, now seen corresponding path program 1 times [2024-12-02 12:23:32,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:32,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267879250] [2024-12-02 12:23:32,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:23:32,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:32,776 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:23:32,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-12-02 12:23:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:33,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:23:33,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:35,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 12:23:36,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:23:37,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:23:37,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-12-02 12:23:38,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-12-02 12:23:38,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:23:38,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 32 [2024-12-02 12:23:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 12:23:38,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:23:39,859 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:23:39,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267879250] [2024-12-02 12:23:39,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267879250] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:23:39,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1490516489] [2024-12-02 12:23:39,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:39,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:23:39,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:23:39,861 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:23:39,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-02 12:23:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:40,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 12:23:40,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:43,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:23:44,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:23:45,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 12:23:46,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2024-12-02 12:23:46,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2024-12-02 12:23:47,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 36 [2024-12-02 12:23:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 12:23:47,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:23:48,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1490516489] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:23:48,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:23:48,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2024-12-02 12:23:48,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203117985] [2024-12-02 12:23:48,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:23:48,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 12:23:48,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:23:48,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 12:23:48,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:23:48,165 INFO L87 Difference]: Start difference. First operand 438 states and 523 transitions. Second operand has 16 states, 16 states have (on average 6.875) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 12:23:56,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:56,272 INFO L93 Difference]: Finished difference Result 902 states and 1088 transitions. [2024-12-02 12:23:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:23:56,273 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.875) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 113 [2024-12-02 12:23:56,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:56,275 INFO L225 Difference]: With dead ends: 902 [2024-12-02 12:23:56,275 INFO L226 Difference]: Without dead ends: 664 [2024-12-02 12:23:56,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 12:23:56,276 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 427 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:56,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 737 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-12-02 12:23:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-12-02 12:23:56,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 496. [2024-12-02 12:23:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 435 states have (on average 1.2045977011494253) internal successors, (524), 435 states have internal predecessors, (524), 36 states have call successors, (36), 24 states have call predecessors, (36), 24 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:23:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 596 transitions. [2024-12-02 12:23:56,365 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 596 transitions. Word has length 113 [2024-12-02 12:23:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:56,365 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 596 transitions. [2024-12-02 12:23:56,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.875) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 12:23:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 596 transitions. [2024-12-02 12:23:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 12:23:56,366 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:56,366 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:23:56,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-12-02 12:23:56,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-02 12:23:56,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:23:56,767 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:56,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1961935986, now seen corresponding path program 1 times [2024-12-02 12:23:56,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:56,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304357221] [2024-12-02 12:23:56,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:56,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:23:56,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:56,769 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:23:56,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-12-02 12:23:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:57,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-02 12:23:57,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:23:57,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 40 [2024-12-02 12:23:58,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2024-12-02 12:24:00,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 75 [2024-12-02 12:24:05,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 88 [2024-12-02 12:24:07,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 88 [2024-12-02 12:24:08,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 81 [2024-12-02 12:24:11,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 68 [2024-12-02 12:24:13,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2024-12-02 12:24:17,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2024-12-02 12:24:17,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2024-12-02 12:24:19,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:24:19,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 27 [2024-12-02 12:24:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 35 proven. 213 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 12:24:19,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:25:54,280 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-02 12:25:54,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-12-02 12:25:54,281 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:25:54,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304357221] [2024-12-02 12:25:54,281 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-02 12:25:54,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-12-02 12:25:54,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:25:54,482 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:555) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-12-02 12:25:54,486 INFO L158 Benchmark]: Toolchain (without parser) took 641754.50ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 69.7MB in the beginning and 82.0MB in the end (delta: -12.3MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. [2024-12-02 12:25:54,486 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:25:54,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.36ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 53.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:25:54,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.60ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 51.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:25:54,487 INFO L158 Benchmark]: Boogie Preprocessor took 63.01ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 47.2MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:25:54,487 INFO L158 Benchmark]: RCFGBuilder took 1013.23ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 42.9MB in the end (delta: 4.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-12-02 12:25:54,487 INFO L158 Benchmark]: TraceAbstraction took 640375.72ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 42.3MB in the beginning and 82.0MB in the end (delta: -39.7MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2024-12-02 12:25:54,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.36ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 53.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.60ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 51.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.01ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 47.2MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1013.23ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 42.9MB in the end (delta: 4.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 640375.72ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 42.3MB in the beginning and 82.0MB in the end (delta: -39.7MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c245fe-b782-4adc-9d85-9a8904402543/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")